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2. Mapping Teacher Moves When Facilitating Mathematical Modelling
- Author
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Mathematics Education Research Group of Australasia (MERGA), Brown, Jill P., and Stillman, Gloria A.
- Abstract
This paper explores use of a set of diagrammatic tools for representation and analysis of the moves a teacher makes implementing a mathematical modelling task. The focus here is on identifying what the teacher did so we can subsequently interrogate this, as to the why. Data include pre and post lesson teacher interviews and transcripts of a video and audio-recorded task implementation. The analytical tools developed, with one teacher and one task early in a three-year project were particularly useful in ascertaining what the teacher moves were as we subsequently sought to determine reasons for these.
- Published
- 2023
3. Measuring Stages of Growth: A Psychometric Model of Hierarchical Development. Occasional Paper No. 19.
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Australian Council for Educational Research, Hawthorn. and Wilson, Mark
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A psychometric model called Saltus, which represents the qualitative aspects of hierarchical development in a form applicable to additive measurement, was applied. Both Piaget's theory of cognitive development and Gagne's theory of learning hierarchies were used to establish the common features of hierarchical development: (1) gappiness--the logical construction of the hierarchy which occurs when there is no state between adjacent stages; and (2) rigidity--learning behavior, exhibited by a fixed sequence of progression through stages. Saltus assumes a theory with gappiness expressed through items or tasks, and estimates the rigidity of data, thus testing the hypothesized gappiness. Four experiments tested the Saltus model in elementary school Australian children and with subjects aged 3, 4, 5, 8, 12, and 21 years. Three Piagetian tasks of rule assessment involving proportionality (balance scale, projection of shadows, and a probability task) gave clear evidence of rigidity in the step from the pre-operational stage to the concrete operational stage. The next step, to the formal operational stage, did not show rigidity, although gappiness was evident. The hypothesized existence of a gap to split the concrete operational stage was not supported. The Gagnean data on a subtraction task showed strong rigidity. (Author/GDC)
- Published
- 1985
4. Investigating Item Stability: An Empirical Investigation into the Variability of Item Statistics Under Conditions of Varying Sample Design and Sample Size. Occasional Paper No. 18.
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Australian Council for Educational Research, Hawthorn. and Farish, Stephen J.
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The stability of Rasch test item difficulty parameters was investigated under varying conditions. Data were taken from a mathematics achievement test administered to over 2,000 Australian students. The experiments included: (1) relative stability of the Rasch, traditional, and z-item difficulty parameters using different sample sizes and designs; (2) effect of different sample types and sizes on the Rasch item fit estimator; (3) effects, on the item fit parameter and the Rasch item difficulty parameter, of removing some less appropriate items from the test; and (4) an examination of Wright's statement that the standard error of the item difficulty parameter is a good estimator of its variance, and that it has an inverse square root relationship to the sample size. Results showed that Rasch and z-item difficulty parameters were similar. Item fit increased as sample size increased. The removal of poorly fitting items improved fit values for the entire test, but worsened them for the remaining items. The Rasch standard error parameter was an appropriate measure of the true error of estimation as calculated from the square root of the sampling variance of the item difficulty index. (Implications for test calibration are concluded, and detailed item analyses are appended.) (GDC)
- Published
- 1984
5. A Criterion-Referenced Measurement Model with Corrections for Guessing and Carelessness. Occasional Paper No. 13.
- Author
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Australian Council for Educational Research, Hawthorn. and Morgan, George
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This study developed a two-parameter linear probabilistic model of criterion referenced measurement, which relates an examinee's observed ability to his true ability through a guessing parameter and a carelessness parameter, both of which are probabilities. This model was applied to a survey of 10- and 14-year-old Australian students to estimate the proportion who had been able to master basic skills in mathematics and literacy. The estimates were derived by using a Bayesian inferential procedure incorporating the developed measurement model within a beta-binomial, decision-theoretic framework based on a two-state conception of mastery and non-mastery. The results of a computer simulation of the model indicate that guessing and carelessness may markedly affect the determination of passing scores, and hence the accuracy of decision about mastery. The computer program for calculating cutting scores, posterior probabilities, and prior and posterior distribution statistics is appended. (Author/CTM)
- Published
- 1979
6. Designing Online Learning for Developing Pre-Service Teachers' Capabilities in Mathematical Modelling and Applications
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Mathematics Education Research Group of Australasia, Geiger, Vince, Date-Huxtable, Liz, Ahlip, Rehez, Herberstein, Marie, Jones, D. Heath, May, E. Julian, Rylands, Leanne, Wright, Ian, and Mulligan, Joanne
- Abstract
The purpose of this paper is to describe the processes utilised to develop an online learning module within the Opening Real Science (ORS) project--"Modelling the present: Predicting the future." The module was realised through an interdisciplinary collaboration, among mathematicians, scientists and mathematics and science educators that drew on the enquiry-based approach underpinning ORS as well as structuring devices and working practices that emerged during the course of the module development. The paper is a precursor to further research that will investigate the effectiveness of the module in terms of students' learning and attitudes as well as the module development team members' perspectives on the interdisciplinary collaboration that took place.
- Published
- 2016
7. Proceedings of the International Association for Development of the Information Society (IADIS) International Conference: e-Learning 2021, Part of the Multi Conference on Computer Science and Information Systems (MCCSIS 2021) (15th, Virtual, July 20-23, 2021)
- Author
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International Association for Development of the Information Society (IADIS), Nunes, Miguel Baptista, Isaias, Pedro, Nunes, Miguel Baptista, Isaias, Pedro, and International Association for Development of the Information Society (IADIS)
- Abstract
These proceedings contain the papers of the 15th International Conference on e-Learning (EL 2021), which was organised by the International Association for Development of the Information Society (IADIS), July 20-22, 2021. This conference is part of the 15th Multi Conference on Computer Science and Information Systems (MCCSIS), July 20-23, 2021, which had a total of 456 submissions. Due to an exceptional situation caused by the COVID-19 pandemic, this year the conference was hosted virtually. The e-Learning (EL) 2021 conference aims to address the main issues of concern within e-Learning. This conference covers both technical as well as the non-technical aspects of e-Learning. The conference accepted submissions in the following seven main areas: (1) Organisational Strategy and Management Issues; (2) Technological Issues; (3) e-Learning Curriculum Development Issues; (4) Instructional Design Issues; (5) e-Learning Delivery Issues; (6) e-Learning Research Methods and Approaches; and (7) e-Skills and Information Literacy for Learning. [Individual papers are indexed in ERIC.]
- Published
- 2021
8. Modeling the Phenomenon versus Modeling the Data Set
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Stillman, Gloria Ann and Brown, Jill P.
- Abstract
This paper investigates students' mathematical modeling activity in data-rich modeling tasks. It aims at gaining insight into how students develop meaning when modeling data-rich situations and the mathematical models produced. A tendency to model a particular dataset, rather than the phenomenon that the dataset is a particular instance of, has been observed previously. Students concentrate on fitting mathematical objects such as functions to data, rather than using domain knowledge about the situation being modeled, mapping this to the data so as to capture the phenomenon as a whole. In other instances, students find functions that simply linearly interpolate the data and do not consider key features of the phenomenon, particularly when they have access to technological tools. The extent to which students' reasoning indicated awareness of their taking either approach was investigated in a qualitative study with Year 10/11 students. How the approach taken affected the processes students engage in whilst modeling was also investigated. The paper contributes to our currently limited literature on research into this issue and how it affects the outcome of students learning to model in classrooms at this level of schooling.
- Published
- 2023
- Full Text
- View/download PDF
9. The Modelling Process and Pre-Service Teacher Confidence
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Mathematics Education Research Group of Australasia, Axelsen, Taryn, Galligan, Linda, and Woolcott, Geoff
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Many teachers and pre-service teachers of mathematics lack experience with teaching methods, such as mathematical modelling, that require a conceptual learning and problem solving approach. To address this problem, this paper presents a study of a method -- the Enhancement, Learning, Reflection (ELR) process -- that has been designed to improve preservice students' confidence in teaching mathematics, with a particular focus on the use of modelling as a teaching method. Results from the case study show that the PST participants involved in the ELR process did indeed experience an increase in confidence in their ability to present the modelling concept to a classroom of high school students.
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- 2017
10. Custodians of Quality: Mathematics Education in Australasia--Where from? Where at? Where to?
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Mathematics Education Research Group of Australasia and Galbraith, Peter
- Abstract
As a contribution to honour the foresight of Ken Clements and John Foyster in founding MERGA [Mathematics Education Research Group of Australasia] so many years ago this paper is not a research paper in the usual sense. Rather it sets out to sample the context of Mathematics Education in Australasia and beyond (then and now) and to highlight some challenges as seen by this author. In this personal view I do not intend to expand in detail upon particular strands of research in which I have been involved, although for purposes of illustration examples will be drawn from time to time from this and other work. MERGA is about both people and scholarly activity, and so this paper will make reference to both--for history, culture, and challenge are essential components of the development of any organisation.
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- 2014
11. The Language Used to Articulate Content as an Aspect of Pedagogical Content Knowledge
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Mathematics Education Research Group of Australasia and Chick, Helen
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Mathematical knowledge in classrooms is mediated through the use of both technical and informal language. This paper is a report of a study of the language use of teachers as they examine students' work and discuss teaching for the topic of fraction operations. This provides a window on their pedagogical content knowledge and also on the way in which language is used to make sense of mathematical knowledge, either personally or for students. It was found that some mathematical knowledge appeared to be "taken as understood," perhaps because the expected words were used.
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- 2015
12. Students and Real World Applications: Still a Challenging Mix
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Mathematics Education Research Group of Australasia and Galbraith, Peter
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Rhetoric about the importance of students being equipped to apply mathematics to relevant problems arising in their lives, individually, as citizens, and in the workplace has never been matched by serious policy or curricular support. This paper identifies and elaborates authenticity implications for addressing this issue, and describes aspects of a modelling challenge in which students were mentored to engage in problem solving located in real world settings. Characteristics of the approach and selected student responses to the challenge are provided.
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- 2013
13. Exploring Student Reflective Practice during a Mathematical Modelling Challenge
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Mathematics Education Research Group of Australasia, Redmond, Trevor, Sheehy, Joanne, Brown, Raymond, and Kanasa, Harry
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This paper seeks to compare the reflective writings of two cohorts of students (Year 4/5 and Year 8/9) participating in mathematical modelling challenges. Whilst the reflections of the younger cohort were results oriented, the older cohort's reflections spoke more to the affective domain, group processes, the use of technology and the acquisition of mathematical knowledge. This study supports the idea that with scaffolding middle years students can engage in reflective practice to develop mathematical modelling skills.
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- 2012
14. Projects, Puzzles and Other Pedagogies: Working with Kids to Solve Local Problems
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Mathematics Education Research Group of Australasia and Marshman, Margaret
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Engaging and extending middle years students in mathematics is a continual challenge. One of the aims of the "Australian Curriculum: Mathematics" is to ensure that students are "confident, creative users and communicators of mathematics" (ACARA, 2011). Use of mathematical models and/or problems has been suggested as methods of achieving this aim, and mathematical investigations have been shown to improve student engagement. This paper looks to build on these ideas and combine them with the framework of Knowledge Producing Schools (KPS) (Bigum & Rowan, 2009) to determine whether, when students are working on a community based project of their choice, students become "confident, creative users and communicators of mathematics" (ACARA, 2011). [This work is being funded by an Internal University Research Grant from the University of the Sunshine Coast.]
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- 2012
15. Exploring the Relationship between Mathematical Modelling and Classroom Discourse
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Mathematics Education Research Group of Australasia, Redmond, Trevor, Sheehy, Joanne, and Brown, Raymond
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This paper explores the notion that the discourse of the mathematics classroom impacts on the practices that students engage when modelling mathematics. Using excerpts of a Year 12 student's report on modelling Newton's law of cooling, this paper argues that when students engage with the discourse of their mathematics classroom in a manner that promotes the communication of ideas, they employ mathematical modelling practices that reflect the cyclical approaches to modelling employed by mathematicians. (Contains 7 figures.) [For the complete proceedings, "Shaping the Future of Mathematics Education. Proceedings of the Annual Conference of the Mathematics Education Research Group of Australasia (33rd, Freemantle, Western Australia, Australia, July 3-7, 2010)," see ED520764.]
- Published
- 2010
16. Playing to Lose: Investigating the Mathematics of Poker Machines
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Hemer, David
- Abstract
This paper describes an investigation looking at the underlying mathematics of poker machines. The aim of the investigation is for students to get an appreciation of how poker machines are designed to ensure that in the long-term players will inevitably lose when playing. The first part of this paper describes how students can model a simple poker machine game and calculate the probability and payouts for four different winning outcomes. The second part of the paper describes how these calculations can then be used to configure a poker machine simulator written in the Python programming language. The code for the simulator is briefly explained and then results for several trials run in the simulator are presented. A discussion of how the student would be expected to present and interpret these results is then given. The next section of the paper explains how students can model their own more complex poker machine game and in turn how the simulator code can be extended to handle the more complex outcomes. Next, an extension to the investigation is described, in which students investigate how many coins need to be played on average before the player loses all their money. A task sheet, setup instructions, starting code and completed examples for teachers is available for free download on the Tes website at https://www.tes.com/en-au/teaching-resource/blow-up-thepokies-12308352 (Hemer, 2020).
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- 2020
17. Using Alternative Multiplication Algorithms to 'Offload' Cognition
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Mathematics Education Research Group of Australasia, Jazby, Dan, and Pearn, Cath
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When viewed through a lens of embedded cognition, algorithms may enable aspects of the cognitive work of multi-digit multiplication to be "offloaded" to the environmental structure created by an algorithm. This study analyses four multiplication algorithms by viewing different algorithms as enabling cognitive work to be distributed across environmental and mental resources to varying degrees. This produces a plausible framework which could allow further analysis designed to guide the pedagogical use of alternative algorithms.
- Published
- 2015
18. The Development of the Goal Orientation and Learning Strategies Survey (GOALS-S): A Quantitative Instrument Designed To Measure Students' Achievement Goals and Learning Strategies in Australian Educational Settings.
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Dowson, Martin and McInerney, Dennis M.
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This paper outlines the development of a quantitative instrument designed to measure students' multiple achievement goals and key aspects of their cognitive engagement in Australian educational settings. The paper demonstrates the use of congeneric measurement models in assessing and improving the validity of the scales comprising the Goal Orientation and Learning Strategies Survey (GOALS-S), and it also illustrates the use of cross-validation as a way to assess the stability of the GOALS-S scales. Three academic goals, four social goals, three cognitive strategies, and three metacognitive strategies were defined and operationalized in the developed GOALS-S instrument. Preliminary factor analyses were used to refine the measure. Its 13 scales were tested with 380 Australian urban students. Once collected, data from a randomly chosen subsample (half the original sample) were subjected to confirmatory factor analysis using 13 separate one-factor congeneric models. Modified models that showed sufficient fit in the first half were tested with the second half of the sample. The initial modeling process supported the construct validity of only four of the original scales, but relatively minor modifications resulted in considerably better fit for the other nine scales. Results also demonstrate support for the reliability of at least eight of the GOALS-S scales. (Contains 6 tables and 88 references.) (SLD)
- Published
- 1997
19. Leading a New Pedagogical Approach to Australian Curriculum Mathematics: Using the Dual Mathematical Modelling Cycle Framework
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Mathematics Education Research Group of Australasia, Lamb, Janeen, Kawakami, Takashi, Saeki, Akihiko, and Matsuzaki, Akio
- Abstract
The aim of this study was to investigate the use of the "dual mathematical modelling cycle framework" as one way to meet the espoused goals of the Australian Curriculum Mathematics. This study involved 23 Year 6 students from one Australian primary school who engaged in an "Oil Tank Task" that required them to develop two models in order to solve the task. Results indicate that although some students struggled to fully develop the two models there were students who engaged in both models, deepening their mathematical knowledge and its application when working in real world contexts.
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- 2014
20. The Effect of Language, Gender and Age in NAPLAN Numeracy Data
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Mathematics Education Research Group of Australasia, Wilson, Tim, and Barkatsas, Tasos
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This study investigates the relationship between students ability to answer reduced language dependency mathematical questions with their overall numeracy level. It investigates whether a student's success at reduced language mathematical questions translates into better overall numeracy scores. It was found, students have up to two years advancement if able to correctly answer reduced language dependency questions. This phenomenon was clearly apparent in the overall findings, but was most pronounced at the Year 3 level test, and for female students.
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- 2014
21. Proceedings of the International Association for Development of the Information Society (IADIS) International Conference on Cognition and Exploratory Learning in Digital Age (CELDA) (Madrid, Spain, October 19-21, 2012)
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International Association for Development of the Information Society (IADIS)
- Abstract
The IADIS CELDA 2012 Conference intention was to address the main issues concerned with evolving learning processes and supporting pedagogies and applications in the digital age. There had been advances in both cognitive psychology and computing that have affected the educational arena. The convergence of these two disciplines is increasing at a fast pace and affecting academia and professional practice in many ways. Paradigms such as just-in-time learning, constructivism, student-centered learning and collaborative approaches have emerged and are being supported by technological advancements such as simulations, virtual reality and multi-agents systems. These developments have created both opportunities and areas of serious concerns. This conference aimed to cover both technological as well as pedagogical issues related to these developments. The IADIS CELDA 2012 Conference received 98 submissions from more than 24 countries. Out of the papers submitted, 29 were accepted as full papers. In addition to the presentation of full papers, short papers and reflection papers, the conference also includes a keynote presentation from internationally distinguished researchers. Individual papers contain figures, tables, and references.
- Published
- 2012
22. Proceedings of the Conference of the International Group for the Psychology of Mathematics Education (30th, Prague, Czech Republic, July 16-21, 2006). Volume 2
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International Group for the Psychology of Mathematics Education., Novotna, Jarmila, Moraova, Hana, Kratka, Magdalena, and Stehlikova, Nad'a
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This document contains the second volume of the proceedings of the 30th Annual Conference of the International Group for the Psychology of Mathematics Education. Conference presentations are centered around the theme "Mathematics at the Centre." This volume features 60 research reports by presenters with last names beginning between Abr and Dri: (1) The Odds of Understanding the Law of Large Numbers: A Design for Grounding Intuitive Probability in Combinatorial Analysis (Dor Abrahamson and Rose M. Cendak); (2) Imaginary-Symbolic Relations, Pedagogic Resources and the Constitution of Mathematics for Teaching in In-Service Mathematics Teacher Education (Jill Adler and Zain Davis); (3) Relationship between Pre-Service Mathematics Teachers' Teaching and Learning Beliefs and Their Practices (Hatice Akkoc and Feral Ogan-Bekiroglu); (4) Teachers' Awareness of Dimensions of Variation: A Mathematics Intervention Project (Thabit Al-Murani); (5) The Student Teacher and the Others: Multimembership on the Process of Introducing Technology in the Classroom (Nelia Amado and Susana Carreira); (6) Improving Student Teachers' Understanding of Fractions (Solange Amorim Amato); (7) Autodidactic Learning of Probabilistic Concepts through Games (Miriam Amit and Irma Jan); (8) Graduate Students' Processes in Generating Examples of Mathematical Objects (Samuele Antonini); (9) Reasoning in an Absurd World: Difficulties with Proof by Contradiction (Samuele Antonini and Maria Alessandra Mariotti); (10) Will Penelope Choose Another Bridegroom? Looking for an Answer through Signs (Ferdinando Arzarello, Luciana Bazzini, Francesca Ferrara, Ornella Robutti, Cristina Sabena, and Bruna Villa); (11) Motivation and Perceptions of Classroom Culture in Mathematics of Students across Grades 5 to 7 (Chryso Athanasiou and George N. Philippou); (12) Deductive Reasoning: Different Conceptions and Approaches (Michal Ayalon and Ruhama Even); (13) The Tendency to Use Intuitive Rules among Students with Different Piagetian Cognitive Levels (Reuven Babai); (14) Coming to Appreciate the Pedagogical Uses of CAS (Lynda Ball and Kaye Stacey); (15) Students' Conceptions of "m" and "c": How to Tune a Linear Function (Caroline Bardini and Kaye Stacey); (16) A Contradiction between Pedagogical Content Knowledge and Teaching Indications (Ibrahim Bayazit and Eddie Gray); (17) Identifying and Supporting Mathematical Conjectures through the Use of Dynamic Software (David Benitez Mojica and Manuel Santos Trigo); (18) Students Constructing Representations for Outcomes of Experiments (Palma Benko and Carolyn A. Maher); (19) Logarithms: Snapshots from Two Tasks (Tanya Berezovski and Rina Zazkis); (20) Trying to Reach the Limit--The Role of Algebra in Mathematical Reasoning (Christer Bergsten); (21) Semiotic Sequence Analysis--Constructing Epistemic Types Empirically (Angelika Bikner-Ahsbahs); (22) Service Teaching: Mathematical Education of Students of Client Departments (Erhan Bingolbali, John Monaghan, and Tom Roper); (23) Students' Thinking about the Tangent Line (Irene Biza, Constantinos Christou, and Theodossios Zachariades); (24) Habermas' Theory of Rationality as a Comprehensive Frame for Conjecturing and Proving in School (Paulo Boero); (25) Extending Students' Understanding of Decimal Numbers via Realistic Mathematical Modeling and Problem Posing (Cinzia Bonotto); (26) Different Media, Different Types of Collective Work in Online Continuing Teacher Education: Would You Pass the Pen, Please? (Marcelo C. Borba and Rubia B. A. Zulatto); (27) Reformulating "Mathematical Modelling" in the Framework of the Anthropological Theory of Didactics (Marianna Bosch, Fco. Javier Garcia, Josep Gascon, and Luisa Ruiz Higueras); (28) Students' Impressions of the Value of Games for the Learning of Mathematics (Leicha A. Bragg); (29) The Transition from Arithmetic to Algebra: To Reason, Explain, Argue, Generalize and Justify (Trygve Breiteig and Barbro Grevholm); (30) Resisting Reform Pedagogy: Teacher and Learner Contributions (Karin Brodie); (31) Manifestations of Affordances of a Technology-Rich Teaching and Learning Environment (TRTLE) (Jill P. Brown); (32) Types of Representations of the Number Line in Textbooks (Alicia Bruno and Noemi Cabrera); (33) Educational Neuroscience: New Horizons for Research in Mathematics Education (Stephen R. Campbell); (34) Variability in a Probability Context: Developing Pre-Service Teachers' Understanding (Daniel L. Canada); (35) Implementing a Reform-Oriented Mathematics Syllabus: A Survey of Secondary Teachers (Michael Cavanagh); (36) Student's Modelling with a Lattice of Conceptions in the Domain of Linear Equations and Inequations (Hamid Chaachoua, Marilena Bittar, and Jean-Francois Nicaud); (37) Using Reading and Coloring to Enhance Incomplete Prover's Performance in Geometry Proof (Ying-Hao Cheng and Fou-Lai Lin); (38) Aspects of Teachers' Pedagogical Content Knowledge for Decimals (Helen Chick, Monica Baker, Thuy Pham, and Hui Cheng); (39) Collaborative Action Research on Implementing Inquiry-Based Instruction in an Eighth Grade Mathematics Class: An Alternative Mode for Mathematics Teacher Professional Development (Erh-Tsung Chin, Yung-Chi Lin, Yann-Tyng Ko, Chi-Tung Chien, and Hsiao-Lin Tuan); (40) Routine and Novel Mathematical Solutions: Central-Cognitive or Peripheral-Affective Participation in Mathematics Learning (Mei-Shiu Chiu); (41) The Role of Self-Generated Problem Posing in Mathematics Exploration (Victor V. Cifarelli and Jinfa Cai); (42) A Longitudinal Study of Children's Mental Computation Strategies (Barbara Clarke, Doug M. Clarke, and Marj Horne); (43) Assessing Fraction Understanding Using Task-Based Interviews (Doug M. Clarke, Michal Sukenik, Anne Roche, and Annie Mitchell); (44) Evaluation of a Teaching Concept for the Development of Problem Solving Competences in Connection with Self-Regulation (Christina Collet and Regina Bruder); (45) Developing Probability Thinking in Primary School: A Case Study on the Constructive Role of Natural Language in Classroom Discussions (Valeria Consogno, Teresa Gazzolo, and Paulo Boero); (46) Collaboration with Teachers to Improve Mathematics Learning: Pedagogy at Three Levels (Tom J. Cooper, Annette R. Baturo, and Edlyn J. Grant); (47) "Aim High--Beat Yourself": Effective Mathematics Teaching in a Remote Indigenous Community (Tom J. Cooper, Annette R. Baturo, Elizabeth Warren, and Edlyn J. Grant); (48) Development of Children's Understanding of Length, Area, and Volume Measurement Principles (Margaret Curry, Michael Mitchelmore, and Lynne Outhred; (49) Mathematics-for-Teaching: The Cases of Multiplication and Division (Brent Davis, Elaine Simmt, and Dennis Sumara); (50) Generative Concept Images (Gary E. Davis and Catherine A. Pearn); (51) Developmental Assessment of Data Handling Performance Age 7-14 (Pauline Davis, Maria Pampaka, Julian Williams, and Lawrence Wo); (52) The Effect of Different Teaching Tools in Overcoming the Impact of the Intuitive Rules (Eleni Deliyianni, Eleni Michael, and Demetra Pitta-Pantazi); (53) Investigating Social and Individual Aspects in Teacher's Approaches to Problem Solving (Fien Depaepe, Erik De Corte, and Lieven Verschaffel); (54) Maths Avoidance and the Choice of University (Pietro Di Martino and Francesca Morselli); (55) Primary Students' Reasoning about Diagrams: The Building Blocks of Matrix Knowledge (Carmel M. Diezmann); (56) Integrating Errors into Developmental Assessment: "Time" for Ages 8-13 (Brian Doig, Julian Williams, Lawrence Wo, and Maria Pampaka); (57) Vygotsky's Everyday Concepts/Scientific Concepts Dialectics in School Context: A Case Study (Nadia Douek); (58) Creating Mathematical Models with Structures (Katherine Doyle); (59) Mechanisms for Consolidating Knowledge Constructs (Tommy Dreyfus, Nurit Hadas, Rina Hershkowitz, and Baruch Schwarz); and (60) Reconciling Factorizations Made with CAS and with Paper-and-Pencil: The Power of Confronting Two Media (Paul Drijvers, Carolyn Kieran, Andre Boileau, Fernando Hitt, Denis Tanguay, Luis Saldanha, and Jose Guzman). (Individual papers contain references.)
- Published
- 2006
23. Research paper. The cost-effectiveness of call-back counselling for smoking cessation.
- Author
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Lal, Anita, Mihalopoulos, Cathy, Wallace, Angela, and Vos, Theo
- Subjects
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NOSOLOGY , *COUNSELING methodology , *COST effectiveness , *MATHEMATICAL models , *RESEARCH funding , *SMOKING cessation , *TELEPHONES , *THEORY , *DESCRIPTIVE statistics , *ODDS ratio - Abstract
Objective To assess the cost-effectiveness of the Quitline, a call-back counselling service for smoking cessation, in the states of Queensland, Western Australia and the Northern Territory. Methods A cost-effectiveness analysis using a deterministic Markov model, and cost per disability-adjusted life year (DALY) averted over a lifetime as the outcome measure. Population Current smokers, motivated to quit. Results Call-back counselling for smoking cessation provided by the Quitline is an intervention that both improves health with additional quitters, and achieves net cost savings due to the cost offsets being greater than the cost of the intervention. If cost offsets are excluded, the cost per quitter is $A773 (95% uncertainty interval $A769$-$A779), and the incremental cost-effectiveness ratio is $A294 per DALY (95% uncertainty interval $A293-$A298). Conclusions Call-back counselling is a cost-effective intervention for smoking cessation that can be provided by a centralised service for a large population, and to reach people in isolated communities. [ABSTRACT FROM AUTHOR]
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- 2014
- Full Text
- View/download PDF
24. Perspective-Taking in Middle School Mathematical Modelling: A Teacher Case Study
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English, Lyn D. and Doerr, Helen M.
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Traditional word problems have not fulfilled the goal of mathematical sense-making for many students. Some studies have shown that authentic contexts, such as model-eliciting tasks, have the potential to engage students in making sense of realistic situations. However, there has been little research on the kinds of knowledge needed by teachers to support this type of student learning activity. In this paper, we report on the results of a case study that investigated the ways in which teachers respond to students' thinking while engaged in a model-eliciting task in data analysis. We describe how one teacher used perspective-taking to initially engage students with the task, to explain and justify their models, to assess the quality of their models, and to make connections to other mathematical ideas. [For complete proceedings, see ED500859.]
- Published
- 2003
25. Development of the Angle Concept by Abstraction from Situated Knowledge.
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Mitchelmore, Michael C. and White, Paul
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This paper explores a framework for research on the development of the angle concept based on theories of abstraction. The framework suggests that children initially acquire a body of disconnected angle knowledge situated in everyday experiences, group the situations to form angle contexts, and then form an abstract angle concept. The framework is explored using grade 4 students (N=36). The students appear to form distinct concepts of slopes, turns, hinges, bends, rebounds, and corners, but are often unaware of the common angle features of these contexts. The findings are discussed using a comparison with a previous study of grade 2 students and suggest that students' responses often show failure to use standard terminology rather than a lack of knowledge of the underlying physical relations. Contains 22 references. (DDR)
- Published
- 1995
26. Mathematical Modelling in Year 12 Using COVID-19 Data
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Singh, Mahua
- Abstract
In 2020, Year 12 students at John Curtin College of the Arts, were required to model COVID-19 data from five different countries in order to find correlations between daily infections and unemployment rates, in order to make future predictions. Work received from students demonstrated how the task successfully provided unique learning opportunities, which are otherwise not experienced in a classroom environment under the pressures of a curriculum that is highly exam-focused and based on mechanistic algorithms. The paper also discusses some challenges faced and how they were overcome.
- Published
- 2021
27. Mathematics Education at the Edge. Proceedings of the Joint Meeting of the International Group for the Psychology of Mathematics Education (PME) (38th) and the North American Chapter of the Psychology of Mathematics Education (PME-NA) (36th, Vancouver, Canada, July 15-20, 2014)
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International Group for the Psychology of Mathematics Education, North American Chapter (PME-NA), International Group for the Psychology of Mathematics Education (PME), Liljedahl, Peter, Nicol, Cynthia, Oesterie, Susan, and Allan, Darien
- Abstract
The theme of the 38th meeting of the International Group for the Psychology of Mathematics Education (PME 38) and the 36th meeting of the North American Chapter of the Psychology of Mathematics Education (PME-NA 36) was "Mathematics Education at the Edge." Academically, the theme provides opportunities to highlight and examine mathematics education research that is: (1) breaking new ground or on the cutting edge of innovative research and research methodologies; and (2) exploring issues with groups that are often positioned at the edge or periphery of educational research, such as social justice, peace education, equity, and Indigenous education. Geographically, the theme "Mathematics Education at the Edge" describes the very place of the conference setting, Vancouver, a city situated at the edge of Canada on the Pacific Ocean and Coast Mountain Range. The papers in the six volumes of these proceedings are organized according to the type of presentation. Volume 1 contains the presentations of the plenary speakers, Research Forum activities, Discussion Group activities, Working Session activities and the National Presentation of mathematics education in Canada. Volumes 2-5 contain the Research Reports of the conference, while Volume 6 consists of the Short Oral and Poster Presentations. The organization of PME 2014 is a collaborative effort involving teams of colleagues at the University of British Columbia and Simon Fraser University.
- Published
- 2014
28. 'It's Part of My Life' and the Modelling Process
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Galligan, Linda, Axelsen, Taryn, Pennicott, Toni, Addie, Ron, Galbraith, Peter, and Woolcott, Geoff
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Mathematical modelling is increasingly becoming an integral component of mathematical curricular in primary and secondary schools throughout the world. However, in Australia modelling skills are currently rarely found in university teacher preparation courses. Limited experience with modelling processes, as well as a lack of confidence and personal efficacy in the field of mathematics, limits the ability for prospective teachers of mathematics to develop into effective high school educators and thus concomitantly adversely affects student learning outcomes. To address the problems related to the lack of experience that prospective teachers have with mathematical modelling and the associated lack of confidence and personal efficacy that can result, this paper presents a case study of a strategy--the enhancement, learning, reflection (ELR) process--designed to improve prospective teachers' confidence and personal efficacy in teaching mathematics, with a focus on the modelling process as a teaching strategy.
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- 2019
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29. Modelling Transformations of Quadratic Functions: A Proposal of Inductive Inquiry
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Sokolowski, Andrzej
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This paper presents a study about using scientific simulations to enhance the process of mathematical modelling. The main component of the study is a lesson whose major objective is to have students mathematise a trajectory of a projected object and then apply the model to formulate other trajectories by using the properties of function transformations. It was hypothesised that situating the lesson in a modelling environment would enhance the meaning of transformations that are not often conceptualised in mathematics textbooks. The lesson is guided by inductive reasoning. As a medium of data gathering, a free simulation called "Projectile Motion" was used (available at http://phet. colorado.edu/sims/projectile-motion/projectile-motion_en.html). The inductively organised stages of the activity described in this paper were conducted with a group of (N = 22) mathematics students in a high school in Texas. The students' verbal reflections upon this type of novel learning environment supported the study hypothesis. Their perception of the process of studying function transformations has evolved into a meaningful and purposeful experience. Although, the unit was developed for high school math curriculum in the US, its objectives reflect the aims and scope of Australian math curriculum. The Victorian Certificate of Education Study Design (VCAA, 2010) states that students should model investigate and solve problems in unfamiliar situations. The proposed lesson supports this aim.
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- 2013
30. Scoring Points: Goals for Real World Problem Solving
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Galbraith, Peter
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This paper is presented in two parts. Through an example the first part takes up the issue of applying mathematics to situations that form part of the life context of students--the priority expressed in three curriculum statements presented. Then, noting the particular point in time--development of a National Curriculum for Mathematics--the second part goes on to address broader curriculum issues that a purely illustrative exercise in real world problem solving might not normally engage. The chosen example relates to a real world question that is located within the domain of Australian Rules Football, and it is recognized that while this provides a familiar, and often an emotionally engaged context in the majority of states, it may not do so for all. The specific mathematical and modelling issues raised in this particular problem have no essential connection with the discussion in the final part of the paper (other than in providing illustrations), where issues regarding the place of modelling and applications in curricula are considered. For that purpose, the football example can be replaced by any authentic modelling problem. (Contains 1 figure and 2 tables.)
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- 2012
31. Empirical Evidence for Niss' 'Implemented Anticipation' in Mathematising Realistic Situations
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Mathematics Education Research Group of Australasia, Stillman, Gloria, and Brown, Jill P.
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Mathematisation of realistic situations is an on-going focus of research. Classroom data from a Year 9 class participating in a program of structured modelling of real situations was analysed for evidence of Niss's theoretical construct, implemented anticipation, during mathematisation. Evidence was found for two of three proposed aspects. In addition, unsuccessful attempts at mathematisations were related in this study to inability to use relevant mathematical knowledge in the modelling context rather than lack of mathematical knowledge, an application oriented view of mathematics or persistence.
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- 2012
32. Australian Vocational Education and Training Statistics: Apprentices and Trainees. December Quarter, 2011
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National Centre for Vocational Education Research
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This publication presents estimates of apprentice and trainee activity in Australia for the December quarter 2011. The figures in this publication are derived from the National Apprentice and Trainee Collection no.71 (March 2012 estimates). The most recent figures in this publication are estimated (those for training activity from the June quarter 2010 to the December quarter 2011). Estimates take into account reporting lags that occur at the time of data collection. Consequently, the figures in this publication may differ from those published in earlier or later reports. Estimated data are presented in this publication on a seasonally adjusted, quarterly and 12-month ending series basis. The 12-month ending series is particularly useful in showing longer-term data trends, but is less useful in identifying turning points. The seasonally adjusted data involve the use of a mathematical model to smooth out fluctuations due to seasonal influences. Seasonally adjusted data are useful to illustrate trends from one quarter to the next, but cannot be further disaggregated. There were 449,000 apprentices and trainees in-training as at 31 December 2011, an increase of 2.5% from the previous year. In the 12 months to 31 December 2011, compared with the previous year: (1) commencements increased by 1.4%, to 318 400; (2) completions increased by 6.9%, to 180 000; and (3) cancellations and withdrawals increased by 5.6%, to 138 600. For seasonally adjusted data, comparing the December quarter 2011 with the September quarter 2011: (1) commencements in trades occupations decreased by 1.3%; (2) commencements in non-trades occupations increased by 1.3%; (3) completions increased by 1.3%; (4) cancellations and withdrawals decreased by 1.1%; and (5) in-training numbers increased slightly. (Contains 19 tables, 3 figures and 5 notes.) [Funding for this paper was provided through the Department of Industry, Innovation, Science, Research and Tertiary Education.]
- Published
- 2012
33. Assessing Numeracy and NAPLAN
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Perso, Thelma
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In this article, the author clarifies the distinction between numeracy and mathematics and the implications of this distinction for teachers of mathematics. In doing so she has, of necessity, focused on one--albeit significant--high stakes assessment genre used on Australian students that purports to measure numeracy. It is essential that teachers understand the genre used in the National Assessment Program Literacy and Numeracy (NAPLAN) numeracy test in order for their students to be prepared for it. There does, of course, need to be some balance in how to do this: spending inordinate amounts of time "preparing for the test" creates another set of problems. However, if the preparation is embedded in the mathematics program of the school, where students are taught and required to clarify contexts and situations, make choices about the mathematical models, tools and strategies needed, and to critique their own mathematics choices as well as those of others, teachers will not only be improving students' numeracy capability but also their mathematics skills and understandings. The NAPLAN numeracy test is not perfect. However, the author believes that the way in which the results are used is more problematic than the test itself. Teachers can learn a lot from the test results if they analyse the data generated to inform their teaching and learning programs; i.e., if they were to use the information provided by the test data as assessment "for" learning, rather than as assessment "of" learning. Finally, teachers must ensure that they are teaching their students for numeracy attainment: mathematics skills and procedures alone are insufficient for students to have the capabilities needed to be numerate at school, home, at work, in the community and in civic life, let alone to be successful on an assessment genre designed to assess numeracy in a pen and paper test.
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- 2011
34. Australian Vocational Education and Training Statistics: Apprentices and Trainees. September Quarter, 2010
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National Centre for Vocational Education Research
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This publication presents estimates of apprentice and trainee activity in Australia for the September quarter 2010. The figures in this publication are derived from the National Apprentice and Trainee Collection no.66 (December 2010 estimates). The most recent figures in this publication are estimated (those for training activity from the March quarter 2009 to the September quarter 2010). Estimates take into account reporting lags that occur at the time of data collection. Consequently, the figures in this publication may differ from those published in earlier or later reports. Estimated data are presented in this publication on a seasonally adjusted, quarterly and 12-month ending series basis. The 12-month ending series is particularly useful in showing longer-term data trends, but is less useful in identifying turning points. The seasonally adjusted data involve the use of a mathematical model to smooth out fluctuations due to seasonal influences. Seasonally adjusted data are useful to illustrate trends from one quarter to the next, but cannot be further disaggregated. There were 448 800 apprentices and trainees in-training as at 30 September 2010, an increase of 5.1% from the previous year. In the 12 months to 30 September 2010, compared with the previous year: (1) commencements increased by 14.2%, to 305 400; (2) completions increased by 4.5%, to 166 100; and (3) cancellations and withdrawals increased by 2.9%, to 128 600. For seasonally adjusted data, comparing the September quarter 2010 with the June quarter 2010: (1) commencements in trades occupations increased by 1.0%; (2) commencements in non-trades occupations increased by 1.9%; (3) completions increased by 1.0%; (4) cancellations and withdrawals increased by 0.9%; and (5) in-training numbers increased by 0.6%. (Contains 19 tables, 3 figures, and 5 notes.) [For related documents, see "Apprentices and Trainees: September Quarter 2010. Terms and Definitions. Support Document" (ED516825) and "Adjustment Notes for Apprentice and Trainee Estimates. Technical Paper" (ED516872).]
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- 2011
35. Tools for Pedagogical Inquiry: The Impact of Teaching Thinking Skills on Teachers
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Baumfield, Vivienne
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This paper explores the idea of thinking skills approaches as tools for pedagogical inquiry and in so doing seeks to develop the link between the promotion of inquiry-based learning, which is a central tenet of thinking skills, and inquiry-based teaching as an approach to professional development and school improvement. The first part of the paper examines the impact of teaching thinking skills on teachers by drawing upon a systematic review of research evidence. The second part of the paper sets the characteristics identified in the context of research into teachers' development and considers the contribution of a pedagogy based on thinking skills approaches to continuing professional development.
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- 2006
36. Young Children's Early Modelling with Data
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English, Lyn D.
- Abstract
An educational priority of many nations is to enhance mathematical learning in early childhood. One area in need of special attention is that of statistics. This paper argues for a renewed focus on statistical reasoning in the beginning school years, with opportunities for children to engage in data modelling activities. Such modelling involves investigations of meaningful phenomena, deciding what is worthy of attention (identifying complex attributes), and then progressing to organising, structuring, visualising, and representing data. Results reported here are derived from the first year of a three-year longitudinal study in which three classes of first-grade children and their teachers engaged in activities requiring the creation of data models. The theme of "Looking after our Environment," a component of the children's science curriculum at the time, provided the context for the activities. Findings include children's abilities to focus their attention on qualities of items rather than the items themselves in identifying attributes, switch their attention from one item feature to another, and create a broad range of models in organising, structuring, and representing their data. Children's development of meta-representational knowledge facilitated their choice and nature of data representations. (Contains 2 figures.)
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- 2010
37. CAS-Enabled Technologies as 'Agents Provocateurs' in Teaching and Learning Mathematical Modelling in Secondary School Classrooms
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Geiger, Vince, Faragher, Rhonda, and Goos, Merrilyn
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This paper draws on a one year study of three secondary school classrooms to examine the nature of student-student-technology interaction when working in partnership with computer algebra systems (CAS) on mathematical modelling tasks and the classroom affordances and constraints that influence such interaction. The analysis of these data indicates that CAS enabled technologies have a role to play as provocateurs of productive student-student-teacher interaction in both small group and whole class settings. Our research indicates that technologies that incorporate CAS capabilities have the potential to mediate collaborative approaches to mathematical enquiry within life-related mathematical tasks. (Contains 1 table and 4 figures.)
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- 2010
38. Mathematical Modelling in the Junior Secondary Years: An Approach Incorporating Mathematical Technology
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Lowe, James, Carter, Merilyn, and Cooper, Tom
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Mathematical models are conceptual processes that use mathematics to describe, explain, and/or predict the behaviour of complex systems. This article is written for teachers of mathematics in the junior secondary years (including out-of-field teachers of mathematics) who may be unfamiliar with mathematical modelling, to explain the steps involved in developing a model and the differences between modelling and traditional problem solving. Two paper folding activities are used to demonstrate how mathematical modelling and technology can support mathematics learning.
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- 2018
39. Proceedings of the Conference of the International Group for the Psychology of Mathematics Education (31st, Seoul, Korea, July 8-13, 2007). Volume 2
- Author
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International Group for the Psychology of Mathematics Education., Woo, Jeong-Ho, Lew, Hee-Chan, Park, Kyo-Sik Park, and Seo, Dong-Yeop
- Abstract
This second volume of the 31st annual proceedings of the International Group for the Psychology of Mathematics Education conference presents research reports for author surnames beginning Alc- through Hal-. Reports include: (1) How Do Your Students Think about Proof? A DVD Resource for Mathematicians (Lara Alcock); (2) Teachers' Conceptions of Mathematical Challenge in School Mathematics (Mark Applebaum and Roza Leikin); (3) Semiotic Games: The Role of the Teacher (Ferdinando Arzarello and Domingo Paola); (4) Examples, a Missing Link (Amir H. Asghari); (5) Scaffolding Revisited: From Tool for Result to Tool-and-Result (Mike Askew); (6) How Can We Assess Mathematical Understanding? (Patrick Barmby, Tony Harries, Steve Higgins, and Jennifer Suggate); (7) The Discursive Construction of Mathematical Thinking: The Role of Researchers' Descriptions (Richard Barwell); (8) Authority and Esteem Effects of Enhancing Remote Indigenous Teacher-Assistants' Mathematics-Education Knowledge and Skills (Annette R. Baturo, Tom J. Cooper, and Katherine Doyle); (9) Raising Students' Understanding: Linear Algebra (Marianna Bogomolny); (10) Informal Conceptions of Distribution Held by Elementary Preservice Teachers (Daniel L. Canada); (11) First Graders' Strategies for Numerical Notation, Number Reading and the Number Concept (Gabrielle A. Cayton and Barbara M. Brizuela); (12) An Exploratory Study of Elementary Beginning Mathematics Teacher Efficacy (Y. L. Chang and S. C. Wu); (13) Preservice Secondary Mathematics Teachers' Knowledge and Inquiry Teaching Approaches (Olive Chapman); (14) Developing and Testing a Scale for Measuring Students' Understanding of Fractions (Charalambos Y. Charalambous); (15) The Effectiveness and Limitation of Reading and Coloring Strategy in Learning Geometry Proof (Ying-Hao Cheng and Fou-Lai Lin); (16) Grade 5/6 Teachers' Perceptions of Algebra in the Primary School Curriculum (Helen L. Chick and Kiri Harris); (17) The Influence of Inquiry-Based MathematicsTeaching on 11th Grade High Achievers: Focusing on Metacognition (Erh-Tsung Chin, Yung-Chi Lin, Chih-Wei Chuang, and Hsiao-Lin Tuan); (18) The Effects of "Spatial Geometry Curriculum with 3D DGS" in Lower Secondary School Mathematics (Kimiho Chino, Tatsuo Morozumi, Hitoshi Arai, Fumihiro Ogihara, Yuichi Oguchi, and Mikio Miyazaki); (19) Mathematics as Mother/Basis of Science in Affect: Analysis of TIMSS 2003 Data (Mei-Shiu Chiu); (20) Mediating Model between Logo and DGS for Planar Curves (Han Hyuk Cho, Min Ho Song, and Hwa Kyung Kim); (21) Comparing Korean and U.S. Third Grade Elementary Student Conceptual Understanding of Basic Multiplication Facts (Insook Chung and Hee-Chan Lew); (22) Self-Monitoring by Lesson Reports from Teachers in Problem-Solving Maths Lessons (Christina Collet, Regina Bruder, and Evelyn Komorek); (23) Mathematics Education and Torres Strait Islander Blocklaying Students: The Power of Vocational Context and Structural Understanding (Tom J. Cooper, Annette R. Baturo, Bronwyn Ewing, Elizabeth Duus, and Kaitlin Moore); (24) Interdisciplinary Learning and Perceptions of Interconnectedness of Mathematics (Ng Kit Ee Dawn, Gloria Stillman, and Kaye Stacey); (25) The Treatment of Addition and Subtraction of Fractions in Cypriot, Irish, and Taiwanese Textbooks (Sean Delaney, Charalambos Y. Charalambous, Hui-Yu Hsu, and Vilma Mesa); (26) The Development of Primary Students' Knowledge of the Structured Number Line (Carmel Diezmann and Tom Lowrie); (27) Reasoning with Metaphors and Constructing an Understanding of the Mathematical Function Concept (Hamide Dogan-Dunlap); (28) Exploring the English Proficiency-Mathematical Proficiency Relationship in Learners: An Investigation Using Instructional English Computer Software (Anthony Essien and Mamokgethi Setati); (29) Vet in the Middle: Catering for Motivational Differences in Vocational Access Courses in Numeracy (Bronwyn Ewing, Annette Baturo, Tom Cooper, Elizabeth Duus, and Kaitlin Moore); (30) The Gendering of Mathematics in Israel and Australia (Helen J. Forgasz and David Mittelberg); (31) 21st Century Children, Numeracy and Technology: An Analysis of Peer-Reviewed Literature (Jillian L. Fox); (32) Teaching and Teacher's Competence with ICT in Mathematics in a Community of Inquiry (Anne Berit Fuglestad); (33) Statistical Inference in Textbooks: Mathematical and Everyday Contexts (Israel Garcia-Alonso and Juan Antonio Garcia-Cruz); (34) Pre-Service Elementary School Teachers' Experiences with the Process of Creating Proofs (Soheila Gholamazad); (35) International Survey of High School Students' Understanding of Key Concepts of Linearity (Carole Greenes, Kyung Yoon Chang, and David Ben-Chaim); and (36) Mathematical Beliefs in Pictures and Words Seen through "Multiple Eyes" (Stefan Halverscheid and Katrin Rolka). (Individual papers contain references.) [For other volumes in the series, see ED499416, ED499418, and ED499419.]
- Published
- 2007
40. Proceedings of the Conference of the International Group for the Psychology of Mathematics Education (30th, Prague, Czech Republic, July 16-21, 2006). Volume 5
- Author
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International Group for the Psychology of Mathematics Education., Novotna, Jarmila, Moraova, Hana, Kratka, Magdalena, and Stehlikova, Nad'a
- Abstract
This document contains the fifth volume of the proceedings of the 30th Conference of the International Group for the Psychology of Mathematics Education. Conference presentations are centered around the theme "Mathematics at the Centre." This volume features 59 research reports by presenters with last names beginning between Sac and Zaz: (1) Bryan's Story: Classroom Miscommunication about General Symbolic Notation and the Emergence of a Conjecture during a CAS-Based Algebra Activity (Ana Isabel Sacristan and Carolyn Kieran); (2) A Teacher's Method to Introduce Story-Problems: Student-Generated Problems (Adalira Saenz-Ludlow); (3) "There's More than Meets the Eye": Analysing Verbal Protocols, Gazes and Sketches on External Mathematical Representations (Jonathan P. San Diego, James Aczel, Barbara Hodgson, and Eileen Scanlon); (4) Notions of Variability in Chance Settings (Ernesto Sanchez and Miguel Mercado Martinez); (5) Elementary Preservice Teacher Learning Levels (Victoria Sanchez and Miguel Mercado Martinez); (6) Mathematics Achievement: Sex Differences vs. Gender Differences (Dora Santos, Sonia Ursini, Martha Patricia Ramirez, and Gabriel Sanchez); (7) Self Assessment and Appropriation of Assessment Criteria (Leonor Santos and Anabela Gomes); (8) Drawing as Problem-Solving: Young Children's Mathematical Reasoning through Pictures (Carole Saundry and Cynthia Nicol); (9) The Role of the Teacher in Turning Claims to Arguments (Baruch Schwarz, Rina Hershkowitz, and Shirly Azmon); (10) Learning Mathematics for Teaching (Nanette Seago and Lynn Goldsmith); (11) Coherence of Mathematics Lessons in Japanese Eighth-Grade Classrooms (Yasuhiro Sekiguchi); (12) Triangle Property Relationships: Making the Connections (Penelope Serow); (13) Access to Mathematics versus Access to the Language of Power (Mamokgethi Setati); (14) Compartmentalization of Representation in Tasks Related to Addition and Subtraction Using the Number Line (Myria Shiakalli and Athanasios Gagatsis); (15)The Derivation of a Learning Assessment Framework for Multiplicative Thinking (Dianne Siemon, John Izard, Margarita Breed, and Jo Virgona); (16) Sources of Students' Frustration in Bridging Mathematics Courses (Anna Sierpinska); (17) What Makes a Good Problem? An Aesthetic Lens (Nathalie Sinclair and Sandra Crespo); (18) Discovering a Rule and Its Mathematical Justification in Modeling Activities Using Spreadsheet (Hong-chan Son and Hee-chan Lew); (19) Investigating Preservice Teachers' Understanding and Strategies on a Student's Errors of Reflective Symmetry (Ji-Won Son); (20) Exploring the Role Played by the Remainder in the Solution of Division Problems (Alina Galvao Spinillo and Sintria Labres Lautert); (21) Incomplete or Incorrect Understanding of Decimals: An Important Deficit for Student Nurses (Vicki Steinle and Robyn Pierce); (22) Proportional Reasoning: Variable Influencing the Problems Difficulty Level and One's Use of Problem Solving Strategies (Olof Bjorg Steinthorsdottir); (23) The Impact of the Intuitive Rule "If A Then B, If Not A Then Not B" in Perimeter and Area Tasks (Lambros Stephanou and Demetra Pitta-Pantazi); (24) Process-Object Difficulties in Linear Algebra: Eigenvalues and Eigenvectors (Sepideh Stewart and Michael O. J. Thomas); (25) Conceptual Changes as Dialectical Transformation (Nadia Stoyanova Kennedy); (26) Content Knowledge for Mathematics Teaching: The Case of Reasoning and Proving (Andreas J. Stylianides and Gabriel J. Stylianides); (27) "Making Proof Central to Pre-High School Mathematics Is an Appropriate Instructional Goal": Provable, Refutable, or Undecidable Proposition? (Gabriel J. Stylianides and Andreas J. Stylianides); (28) Power and Poverty--Whose, Where, and Why?: School Mathematics, Context and the Social Construction of "Disadvantage" (Dalene M. Swanson); (29) Documenting Learning in School-Based Mathematics Communities of Teachers (Paola Sztajn); (30) Research and Teaching--Can One Person Do Both? A Case Study (MichalTabach); (31) Computer "Knowledge" and Student's Images of Figures: The Case of Dragging (Varda Talmon and Michal Yerushalmy); (32) Graphics Calculators for Mathematics Learning in Singapore and Victoria (Australia): Teachers' Views (Hazel Tan and Helen J. Forgasz); (33) Vague Language in Greek and English Mathematical Talk: A Variation Study in Face-Work (Konstantinos Tatsis and Tim Rowland); (34) Teachers Using Computers in Mathematics: A Longitudinal Study (Michael O. J. Thomas); (35) Analysing Classroom Interactions Using Critical Discourse Analysis (Steve Thornton and Noemi Reynolds); (36) Pre-Service and In-Service Mathematics Teachers' Concept Images of Radian (Tahsin Topcu, Mahmut Kertil, Hatice Akkoc, Kamil Yilmaz, and Osman Onder); (37) Adaptive Expertise in the Number Domain 20-100 (Joke Torbeyns, Lien Vanderveken, Lieven Verschaffel, and Pol Ghesquiere); (38) Mathematical Activity in a Technological Workplace: Results from an Ethnographic Study (Chrissavgi Triantafillou and Despina Potari); (39) Pupils' Over-Use of Proportionality on Missing-Value Problems: How Numbers May Change Solutions (Wim Van Dooren, Dirk De Bock, Marleen Evers, and Lieven Verschaffel); (40) Arithmetical Procedures in the Solution of a Problem Involving Velocity (Veronica Vargas and Jose Guzman); (41) Introducing Algebraic Thinking to 13 Year-Old Students: The Case of the Inequality (Petros Verikios and Vassiliki Farmaki); (42) Why Is a Discontinuous Function Differentiable? (Antti Viholainen); (43) Overgeneralization of Linear Models: Presence and Characteristics among University Students (Monica Villareal, Cristina Esteley, and Humberto Alagia); (44) Educational Design Research in Mozambique: Starting Mathematics from Authentic Resources (Pauline Vos, Tiago G. Devesse, and Assane Rassul); (45) "The Big Test": A School Community Experiences Standardized Mathematics Assessment (Fiona Walls); (46) Numeracy Reform in New Zealand: Factors that Influence Classroom Enactment (Margaret Walshaw and Glenda Anthony); (47) An Investigation of Factors Influencing Teachers' Scoring Student Responses to Mathematics Constructed-Response Assessment Tasks (Ning Wang and Jinfa Cai); (48) Teacher Actions that Assist Young Students to Write Generalizations in Words and in Symbols (Elizabeth Warren); (49) Promoting Pre-Service Teachers' Understanding of Decimal Notation and Its Teaching (Wanty Widjaja and Kaye Stacey); (50) Impetus to Explore: Approaching Operational Deficiency Optimistically (Gaye Williams); (51) Generating and Evaluating Geometry Conjectures with Self-Directed Experiments (Chao-Jung Wu, Wing-Kwong Wong, Ying-Hao Cheng, and Yunn-Wen Lien); (52) The Distributions of van Hiele Levels of Geometric Thinking among 1st and 6th Graders (Der-bang Wu and Hsiu-Ian Ma); (53) Elementary Teacher Education and Teacher Efficacy toward Mathematics and Science (Su-Chiao Wu and Yu Liang Chang); (54) Spatial Rotation and Perspective Taking Abilities in Relation to Performance in Reflective Symmetry Tasks (Xenia Xistouri and Demetra Pitta-Pantazi); (55) Elementary Teachers' Mathematics Beliefs and Teaching Practices after a Curriculum Reform (Shirley M. Yates); (56) Inquiry Activities in a Classroom: Extra-Logical Processes of Illumination vs. Logical Process of Deductive and Inductive Reasoning. A Case Study (Oleksiy Yevdokimov); (57) Developments of a Child's Fraction Concepts with the Help of Psychological Tools: A Vygotsky's Cultural-Historical Perspective (Kaori Yoshida); (58) A Teacher's Treatment of Examples as Reflection of Her Knowledge-Base (Orit Zaslavsky, Guershon Harel, and Alfred Manaster); and (59) Cognitive Conflict and its Resolution via Pivotal/Bridging Example (Rina Zazkis and Egan Chernoff). (Individual papers contain references.)
- Published
- 2006
41. Towards the Modelling of Mathematical Metacognition
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Wilson, Jeni and Clarke, David
- Abstract
Metacognition has been accorded a role in both mathematical problem solving and in the learning of mathematics. There has been consistent advocacy of the need for the promotion of metacognitive activity in both domains. Such advocacy can only be effective if the advocated process is well understood. In this paper we have four goals: to describe a "multi-method" technique developed to study student mathematical metacognition; to set out the structural elements and configuration of a coherent model of metacognition in the domain of mathematical problem solving; to report on the empirical utility (and validity) of this model; and, to report the insights into student mathematical metacognition arising from the research. Multi-Method Interview Tasks are appended. (Contains 4 figures.)
- Published
- 2004
42. Clinical reasoning during dysphagia assessment and management in acute care: A longitudinal qualitative study.
- Author
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Gunasekaran, Sulekha, Murray, Joanne, and Doeltgen, Sebastian
- Subjects
- *
MEDICAL logic , *THERAPEUTICS , *QUALITATIVE research , *MEDICAL quality control , *INTERVIEWING , *DECISION making in clinical medicine , *DISCHARGE planning , *TERTIARY care , *LONGITUDINAL method , *PATIENT-centered care , *MATHEMATICAL models , *DEGLUTITION , *THEORY , *CRITICAL care medicine , *DEGLUTITION disorders , *SPEECH therapy , *MEDICAL referrals , *CONCEPT mapping - Abstract
Background: Competent clinical reasoning forms the foundation for effective and efficient clinical swallowing examination (CSE) and consequent dysphagia management decisions. While the nature of initial CSEs has been evaluated, it remains unclear how new information gathered by speech–language therapists (SLTs) throughout a patient's acute‐care journey is integrated into their initial clinical reasoning and management processes and used to review and revise initial management recommendations. Aims: To understand how SLTs' clinical reasoning and decision‐making regarding dysphagia assessment and management evolve as patients transition through acute hospital care from referral to discharge. Methods & Procedures: A longitudinal, qualitative approach was employed to gather information from two SLTs who managed six patients at a metropolitan acute‐care hospital. A retrospective 'think‐aloud' protocol was utilized to prompt SLTs regarding their clinical reasoning and decision‐making processes during initial and subsequent CSEs and patient interactions. Three types of concept maps were created based on these interviews: a descriptive concept map, a reasoning map and a hypothesis map. All concept maps were evaluated regarding their overall structure, facts gathered, types of reasoning engaged in (inductive versus deductive), types of hypotheses generated, and the diagnosis and management recommendations made following initial CSE and during subsequent dysphagia management. Outcomes & Results: Initial CSEs involved a rich process of fact‐gathering, that was predominantly led by inductive reasoning (hypothesis generation) and some application of deductive reasoning (hypothesis testing), with the primary aims of determining the presence of dysphagia and identifying the safest diet and fluid recommendations. During follow‐up assessments, SLTs engaged in increasingly more deductive testing of initial hypotheses, including fact‐gathering aimed at determining the tolerance of current diet and fluid recommendations or the suitability for diet and/or fluid upgrade and less inductive reasoning. Consistent with this aim, SLTs' hypotheses were focused primarily on airway protection and medical status during the follow‐up phase. Overall, both initial and follow‐up swallowing assessments were targeted primarily at identifying suitable management recommendations, and less so on identifying and formulating diagnoses. None of the patients presented with adverse respiratory and/or swallowing outcomes during admission and following discharge from speech pathology. Conclusions & Implications: Swallowing assessment and management across the acute‐care journey was observed as a high‐quality, patient‐centred process characterized by iterative cycles of inductive and deductive reasoning. This approach appears to maximize efficiency without compromising the quality of care. The outcomes of this research encourage further investigation and translation to tertiary and post‐professional education contexts as a clear understanding of the processes involved in reaching diagnoses and management recommendations can inform career‐long refinement of clinical skills. WHAT THIS PAPER ADDS: What is already known on the subject: SLTs' clinical reasoning processes during initial CSE employ iterative cycles of inductive and deductive reasoning, reflecting a patient‐centred assessment process. To date it is unknown how SLTs engage in clinical reasoning during follow‐up assessments of swallowing function, how they assess the appropriateness of initial management recommendations and how this relates to patient outcomes. What this paper adds to the existing knowledge: Our longitudinal evaluation of clinical reasoning and decision‐making patterns related to swallowing management in acute care demonstrated that SLTs tailored their processes to each patient's presentation. There was an emphasis on monitoring the suitability of the initial management recommendations and the potential for upgrade of diet or compensatory swallowing strategies. The iterative cycles of inductive and deductive reasoning reflect efficient decision‐making processes that maintain high‐quality clinical care within the acute environment. What are the potential or actual clinical implications of this work?: Employing efficient and high‐quality clinical reasoning is a hallmark of good dysphagia practice in maximizing positive patient outcomes. Developing approaches to understanding and making explicit clinical reasoning processes of experienced clinicians may assist SLTs of all developmental stages to provide high standards of care. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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43. Retrospective review of the efficacy for sublingual ketamine in the treatment of chronic low back pain defined by a cause and central functional pain symptom focused clinical model.
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Johnson, David, Feng, Lanxuan, and Johnson, Charlotte
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HEALTH literacy , *MEDICAL logic , *LIFESTYLES , *CHRONIC pain , *KETAMINE , *SUBLINGUAL drug administration , *OUTPATIENT services in hospitals , *PATIENT safety , *QUALITATIVE research , *DISEASE management , *EXERCISE therapy , *REHABILITATION , *MOVEMENT disorders , *RETROSPECTIVE studies , *TERTIARY care , *DESCRIPTIVE statistics , *TREATMENT duration , *FUNCTIONAL status , *LONGITUDINAL method , *DRUG efficacy , *MATHEMATICAL models , *CONCEPTUAL structures , *MEDICAL records , *ACQUISITION of data , *PAIN management , *THEORY , *LUMBAR pain , *EVALUATION - Abstract
Chronic low back pain is a leading cause of disability worldwide. A clinical model for its cause is lacking. Defining a cause based clinical model and a framework of understanding back pain in terms of peripheral structural and central functional pain is essential for optimal management. We describe the results of the largest published audit of 41 chronic low back pain patients, receiving outpatient sublingual ketamine therapy for defined central functional pain along with conventional peripheral structural pain management. Our clinical model assigns Movement Dysfunction as the primary cause for low back pain symptoms and restores it with Movement Therapy focused rehabilitation which is also defined. Patients were derived from a tertiary single neurosurgical specialist practice in Brisbane Australia over a three year period. Severe pain and disability measurements more than halved and only 13% of patients ceased ketamine prematurely due to predominantly non-sinister side effects common to all pharmaceutical therapies. All other surveyed metrics of utility were highly favourable in this challenging cohort of chronic back pain patients biased to poor outcomes. Outpatient ketamine maintains high efficacy and safety used in conjunction with a unique clinical model that describes chronic low back pain. This paper builds on our previous publications that describe the disease of movement dysfunction as an integral factor to the development of a cause based clinical model for the condition of chronic low back pain symptoms. Our clinical application of this model, applying the necessary dual approach of controlling symptoms arising from peripheral structural pain and central functional pain in conjunction with elimination of root causation has shown favourable outcomes in patients with high levels of pain and disability based on their tertiary referral origin and high Oswestry Disability Scores. Removing chronic low back pain from its position as one of the world's leading causes of pain and disability is more likely if the rehabilitation industry can replicate and test treatment algorithms based around established clinical models of disease which is the important subject of this paper. [ABSTRACT FROM AUTHOR]
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- 2024
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44. ATI with a Large Set of Nonorthogonal Attribute Variables: A Multiple Regression Solution.
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West, Leo H. T. and Theobald, John H.
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This paper describes an analytical solution to a common problem in aptitude-treatment interaction (ATI). The researcher is often interested in the comparison between treatments for a large set of attributes. If this set is large, the chance of non-orthogonality is correspondingly large. In these circumstances the analysis and interpretation becomes equivocal. Using data from a study of contrasting teaching approaches in high school biology and thirteen attributes, a regression approach to the analysis is demonstrated. The redefinition of a new set of orthogonal variables is made on rational grounds rather than allowed to happen by default. (Author/BW)
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- 1981
45. Towards an Implementation‐STakeholder Engagement Model (I‐STEM) for improving health and social care services.
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Potthoff, Sebastian, Finch, Tracy, Bührmann, Leah, Etzelmüller, Anne, van Genugten, Claire R., Girling, Melissa, May, Carl R., Perkins, Neil, Vis, Christiaan, and Rapley, Tim
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STAKEHOLDER analysis ,MATHEMATICAL models ,RESEARCH methodology ,INTERNET ,GROUNDED theory ,MEDICAL care ,INTERVIEWING ,QUALITATIVE research ,THEORY ,QUALITY assurance ,RESEARCH funding ,DESCRIPTIVE statistics ,SOCIAL services ,DATA analysis software ,EMPIRICAL research ,COGNITIVE therapy ,MEDICAL coding - Abstract
Background: The implementation science literature acknowledges a need for engagement of key stakeholders when designing, delivering and evaluating implementation work. To date, the literature reports minimal or focused stakeholder engagement, where stakeholders are engaged in either barrier identification and/or barrier prioritisation. This paper begins to answer calls from the literature for the development of tools and guidance to support comprehensive stakeholder engagement in implementation research and practice. The paper describes the systematic development of the Implementation‐STakeholder Engagement Model (I‐STEM) in the context of an international, large‐scale empirical implementation study (ImpleMentAll) aimed at evaluating the effectiveness of a tailored implementation toolkit. The I‐STEM is a sensitising tool that defines key considerations and activities for undertaking stakeholder engagement activities across an implementation process. Methods: In‐depth, semistructured interviews and observations were conducted with implementers who were tailoring implementation strategies to integrate and embed internet‐based cognitive behavioural therapy (iCBT) services in 12 routine mental health care organisations in nine countries in Europe and Australia. The analytical process was informed by principles of first‐ and third‐generation Grounded Theory, including constant comparative method. Results: We conducted 55 interviews and observed 19 implementation‐related activities (e.g., team meetings and technical support calls). The final outcome of our analysis is expressed in an initial version of the I‐STEM, consisting of five interrelated concepts: engagement objectives, stakeholder mapping, engagement approaches, engagement qualities and engagement outcomes. Engagement objectives are goals that implementers plan to achieve by working with stakeholders in the implementation process. Stakeholder mapping involves identifying a range of organisations, groups or people who may be instrumental in achieving the engagement objectives. Engagement approaches define the type of work that is undertaken with stakeholders to achieve the engagement objectives. Engagement qualities define the logistics of the engagement approach. Lastly, every engagement activity may result in a range of engagement outcomes. Conclusion: The I‐STEM represents potential avenues for substantial stakeholder engagement activity across key phases of an implementation process. It provides a conceptual model for the planning, delivery, evaluation and reporting of stakeholder engagement activities. The I‐STEM is nonprescriptive and highlights the importance of a flexible, iterative approach to stakeholder engagement. It is developmental and will require application and validation across a range of implementation activities. Patient or Public Contribution: Patient contribution to ImpleMentAll trial was facilitated by GAMIAN‐Europe at all stages—from grant development to dissemination. GAMIAN‐Europe brings together a wide variety of patient representation organisations (local, regional and national) from almost all European countries. GAMIAN‐Europe was involved in pilot testing the ItFits‐toolkit and provided their views on the various aspects, including stakeholder engagement. Patients were also represented in the external advisory board providing support and advice on the design, conduct and interpretation of the wider project, including the development of the ItFits‐toolkit. Trial registration: ClinicalTrials.gov NCT03652883. Retrospectively registered on 29 August 2018. [ABSTRACT FROM AUTHOR]
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- 2023
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46. A qualitative study assessing allied health provider perceptions of telepractice functionality in therapy delivery for people with disability.
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Benz, Cloe, Dantas, Jaya, Welsh, Mai, Norman, Richard, Robinson, Suzanne, and Hendrie, Delia
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RESEARCH ,SHOES ,HEALTH services accessibility ,ATTITUDES of medical personnel ,TELEPSYCHOLOGY ,RESEARCH methodology ,MATHEMATICAL models ,MEDICAL care ,INTERVIEWING ,QUALITATIVE research ,METAPHOR ,THEORY ,SHOPPING ,DESCRIPTIVE statistics ,PEOPLE with disabilities ,DATA analysis ,THEMATIC analysis ,ALLIED health personnel - Abstract
Introduction: Telepractice service delivery of allied health interventions to people with disability can potentially reduce access barriers and improve service equity. However, questions remain regarding telepractice functionality for people with disability. This study addressed questions related to how allied health clinicians and managers perceive telepractice as functioning in the provision of therapy services to people with disability. Methods: Thirteen interviews of allied health clinicians and managers from across Australia were conducted between 21 November and 22 February via MS teams. Qualitative methodology and critical realist theoretical paradigm underpin the study. Data analysis was completed using a reflective thematic analysis method and five themes were generated and described utilising an analytic metaphor. Results: The study themes were described in relation to a shopping for shoes analytic metaphor and the five themes included (1) a shoe for every foot, (2) planned purchases, (3) shoe on the other foot, (4) you need both shoes and (5) help choosing their shoes. In summary, the function of telepractice fits differently for each individual, similar to pairs of shoes. Conclusions: Telepractice has its own strengths and weaknesses and isn't a direct substitute for in‐person sessions, much like left and right shoes are similar but not the same. The results support participant perceptions that telepractice functions best as an adjunct to in‐person sessions through a flexible hybrid delivery model in the provision of therapy services to people with a disability. A strategy for improving perceived usefulness may involve positioning telepractice as unique with strengths and weaknesses, not replacing in‐person care. Patient or Public Contribution: The paper forms part of a larger codesign process which included customer and carer participants throughout the design and planning of the project, inclusion of a peer researcher, and the selection of the analytic metaphor including in the findings of this article production. [ABSTRACT FROM AUTHOR]
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- 2024
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47. What You See Is What You Get: Investigations with a View Tube
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Obara, Samuel
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This paper presents an investigation by pre-service secondary school teachers in a geometry class of the relationship between the perpendicular distance from the eyeball to the wall (x) and the viewable vertical distance on the wall (y) using a view tube of constant length and diameter. In undertaking the investigation, students used tabular and graphical representations to determine the relationship. They also used a TI-84 calculator to investigate the relationship, and also modelled the scenario with the aid of "Geometer's Sketchpad" software. In this article, the author offers four reasons to use investigations and presents the first of three investigations posed to a group of preservice teachers in a geometry class for pre-service secondary school teachers in Texas, USA. (Contains 6 figures and 1 table.)
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- 2009
48. Writing in Groups as a Tool for Non-Routine Problem Solving in First Year University Mathematics
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Taylor, J. A. and McDonald, C.
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Development of mathematical problem solving skills is an age old problem in mathematics. This paper details the design of a component of a first year university mathematics course in which group work and mathematical communication skills, especially writing skills, are used as a tool to develop non-routine problem solving skills. In this design Polya's problem solving framework and a writing heuristic are used synergistically with group work to develop the mathematical skills and enhance the mathematical communication skills of novice students. Students' perceptions and performance indicate that this strategy has been a success and has facilitated the development of some metacognitive behaviours in the students. (Contains 4 figures and 2 tables.)
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- 2007
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49. A collaborative primary health care model for children and young people in rural Australia: explorations of cross-sectoral leader action.
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Randall, Sue, White, Danielle, and Dennis, Sarah
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HEALTH services administration ,RURAL health services ,MATHEMATICAL models ,LEADERSHIP ,RESEARCH methodology ,INTERVIEWING ,PRIMARY health care ,ORGANIZATIONAL change ,QUALITATIVE research ,COMPARATIVE studies ,INTERPROFESSIONAL relations ,THEORY ,DESCRIPTIVE statistics ,QUESTIONNAIRES ,CHILD welfare ,MANAGEMENT ,THEMATIC analysis ,HEALTH equity ,INTEGRATED health care delivery ,CHILDREN ,ADULTS - Abstract
Background: Cross-sectoral collaborations are considered necessary to address detrimental health, social, educational and economic outcomes that impact marginalised and disadvantaged populations. There is a strong relationship between the health of children and their educational attainment; good health promotes positive learning. This paper reports cross-sectoral executive and senior management level systems changes required to enable the design of a collaborative primary healthcare service model for children and young people in rural Australia. Methods: A descriptive qualitative design was used. Data were collected from executive and senior managers from three organisations (Education, Health and a University Department of Rural Health [ n = 6]) through individual semi-structured interviews. Data were analysed using an inductive, thematic approach. The study draws on Lewin's Model of Change. Results: Three overarching themes were generated from the data: an embedded challenge and experimental solutions; building a shared language and understanding; and the role of relationships and trust. Despite the unique geographical and social context of the study area, strategies emerged from the data on how a solution to an embedded challenge, through design of a primary healthcare model, was established and how the strategies described could be transferred and scaled to other rural and remote communities. Conclusion: Contextual differences make each rural and remote area unique. In this study, strategies that are described in the managing change literature were evident. The authors conclude that drawing on strong management of change principles could mean that a service model designed for one remote community might be transferrable to other communities. There is a strong relationship between children's health and their educational attainment. Poorer health, educational and social attainment are experienced by children and young people residing within the study area. Despite unique geographical contexts and demography, strategies that align strong leadership and effective management of change across three organisations were key and may make it possible to transfer a primary health care model designed to improve health and education outcomes for children and young people to other rural and remote communities. [ABSTRACT FROM AUTHOR]
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- 2023
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50. Evaluation of the implementation of a speech and language therapist‐led referring model for VFSS using the Consolidated Framework for Implementation Research (CFIR).
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Taubert, Shana T., Burns, Clare L., Ward, Elizabeth C., and Bassett, Lynell
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EVALUATION of human services programs ,MATHEMATICAL models ,RESEARCH methodology ,INTERVIEWING ,HEALTH outcome assessment ,CONCEPTUAL structures ,FLUOROSCOPY ,PSYCHOSOCIAL factors ,THEORY ,RESEARCH funding ,COMMUNICATION ,CONTENT analysis ,SPEECH therapists ,MEDICAL research ,HEALTH promotion - Abstract
Background: Speech and language therapists (SLTs) use videofluoroscopic swallow study (VFSS) results to manage dysphagia. Yet, in some services only doctors can directly request a VFSS, potentially creating workflow inefficiencies and delaying patient access to VFSS. An alternative model, where SLTs directly refer patients for VFSS, is used in many services in the UK and Australia. However, processes for implementing and sustaining this model have not been reported. Aims: To evaluate the implementation of an SLT‐led inpatient VFSS referring model using the Consolidated Framework for Implementation Research (CFIR) to ascertain implementation barriers, facilitators and critical sustainability factors. Methods & Procedures: This implementation evaluation examined stakeholder perceptions of implementing the SLT‐led VFSS referring model via interviews of (1) SLTs who treat and refer inpatients for VFSS; (2) doctors who manage and refer inpatients for VFSS; (3) radiologists; and (4) trained VFSS referring SLTs. The CFIR was used to prospectively guide implementation planning, evaluation and outcome reporting, regarding barriers, facilitators and sustainability factors. Outcomes & Results: Implementation facilitators were (1) the advantage of SLT‐led VFSS referring over the standard model (doctors referring), in promoting high‐quality VFSS referrals; (2) compatibility of the model with the SLT skill set; (3) supportive communication networks between staff groups; and (4) engaging stakeholders throughout implementation. Adequate availability of trained VFSS referring SLTs was both a barrier and a facilitator of implementation. It was also a critical sustainability factor, along with ongoing staff education and outcome monitoring. Conclusions & Implications: The CFIR supported systematic evaluation of implementation facilitators and barriers, and adjustment of factors critical for implementing and sustaining the new model. Findings may assist other organizations to establish the SLT‐led VFSS referring model. What this paper adds: What is already known on the subject: Models where SLTs directly refer patients for VFSS have been described in the literature, with evidence of appropriate referrals and adherence to radiation safety standards. However, the process for establishing and sustaining this referring model has not been published. What this paper adds to existing knowledge: This study describes the process and outcomes of implementing an SLT‐led VFSS referring model, using the CFIR. A key advantage of the new model that facilitated implementation was the improved quality of VFSS referrals compared with the standard referring model. Important facilitating factors in the environment were the compatibility of the model with SLTs' skillset and supportive communication network between doctors and SLTs. Initially, an implementation barrier was the inadequate availability of trained SLT referrers. Using proactive implementation strategies, more referrers were trained (which was a facilitating factor for implementing and sustaining the model). What are the potential or actual clinical implications of this work?: This study highlights that successful implementation requires more than just an effective model. Features of the environment require consideration to minimize barriers and optimize facilitating factors, supported by proactive implementation strategies. Planning and evaluating implementation processes and outcomes using a standardized implementation framework such as CFIR aided understanding of barriers and facilitators for introducing the SLT‐led VFSS referring model. This process may assist other services to implement the model. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
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