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2,044 results on '"Wazzan A"'

1. Students’ Interest in Orthopedic Surgery in Saudi Arabia

Author

Wazzan Aljuhani, Arwa Albaiahy, Butoul Alanizy, Aljawhara Alabdulkarim, and Abdullah Alanazi

Subjects
Special aspects of education, LC8-6691, Medicine (General), R5-920
Abstract

OBJECTIVES The demand for orthopedic surgery is expected to increase as the Saudi population grows and ages. Therefore, this study aimed to assess the interest of medical students and interns in orthopedic surgery and the factors that influence their interest. METHODS This cross-sectional study was conducted using a structured questionnaire adapted from a similar study and modified by the authors. The questionnaire was distributed via email to more than 500 medical students from the second year to the internship year. The questionnaire was designed to assess knowledge, interest, and students’ perception of orthopedics. RESULTS Five hundred and ten responses were obtained; 382 (74.90%) were from women. Gender, family orientation, private practice, and perceptions of orthopedic surgery as a stressful specialty or a specialty in crisis were variables that did not influence participants’ perceptions of orthopedic surgery. Further, 13% of participants showed early interest in orthopedic surgery, especially during their third year of medical school. Most of the interested participants recognized that having strong level of knowledge, future academic opportunities, a controllable lifestyle, direct patient care, experience during their clerkship, a high salary, immediate satisfaction, and a prestigious specialty were important aspects that determined their interest in considering a future career in orthopedic surgery. Work preferences that had a significant impact on interest included working with patients not requiring long-term care, working only in the hospital, working outside the hospital, and working only during the day. CONCLUSION There was no difference between genders in terms of interest in orthopedic surgery. This study might serve as a basis for future research assessing the interest of medical students in orthopedic surgery as well as identifying and managing the barriers that prevent students from pursuing careers as orthopedic surgeons.

Published
2023
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2. Design and Evaluation of Camera-Centric Mobile Crowdsourcing Applications

Author

Stylianou, Abby, Brachman, Michelle, Wazzan, Albatool, Black, Samuel, and Souvenir, Richard

Subjects
Computer Science - Human-Computer Interaction, Computer Science - Computer Vision and Pattern Recognition
Abstract

The data that underlies automated methods in computer vision and machine learning, such as image retrieval and fine-grained recognition, often comes from crowdsourcing. In contexts that rely on the intrinsic motivation of users, we seek to understand how the application design affects a user's willingness to contribute and the quantity and quality of the data they capture. In this project, we designed three versions of a camera-based mobile crowdsourcing application, which varied in the amount of labeling effort requested of the user and conducted a user study to evaluate the trade-off between the level of user-contributed information requested and the quantity and quality of labeled images collected. The results suggest that higher levels of user labeling do not lead to reduced contribution. Users collected and annotated the most images using the application version with the highest requested level of labeling with no decrease in user satisfaction. In preliminary experiments, the additional labeled data supported increased performance on an image retrieval task.

Published
2024

10. Optimizing structure-property models of three general graphical indices for thermodynamic properties of benzenoid hydrocarbons

Author

Suha Wazzan, Sakander Hayat, and Wafi Ismail

Subjects
Mathematical chemistry, QSPR modeling, Discrete optimization, Multivariate regression analysis, Benzenoid hydrocarbon, Thermodynamic property, Science (General), Q1-390
Abstract

Cheminformatics is an interdisciplinary field that combines principles of chemistry, computer science, and information technology to process, store, analyze, and interpret chemical data. One area of cheminformatics is quantitative structure–property relationship (QSPR) modeling which is a computational approach that correlates the structural attributes of chemical compounds with their physical, chemical, or biological properties to predict the behavior and characteristics of new or untested compounds. Structure descriptors deliver contemporary mathematical tools required for QSPR modeling. One of a significant class of such descriptors is graph-based descriptors known as graphical descriptors. A degree-based graphical descriptor/invariant of a υ-vertex graph Ω=(VΩ,EΩ) has a general structure GDd=∑ij∈EΩπdegxi,degxj, where π is bivariate symmetric map, and degxi is the degree of vertex xi∈VΩ. For α∈R∖{0}, if π=(degxi×degxj)α (resp. π=(degxi+degxj)α, then GDd is called the general product-connectivity PCα (resp. sum-connectivity SCα) index of Ω. Moreover, the general Sombor index SOα has the structure π=(degxi2×degxj2)α. By choosing the heat capacity ΔH and the entropy E as representatives of thermodynamic properties, we in this paper find optimal value(s) of α which deliver the strongest potential of the predictors GDd∈{PCα,SCα,SOα} for predicting ΔH and E of benzenoid hydrocarbons. In order to achieve this, we employ tools such as discrete optimization and multivariate regression analysis. This, in turn, study completely solves two open problems proposed in the literature.

Published
2024
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13. Competency-Based Curriculum (CBC) in Kuwait: 'From the Ideal to Real'

Author

Sadeq, Taiba, Akbar, Rahima, and Al Wazzan, Fatma

Abstract

Following the steps of countries known for their rigorous education systems, and under the supervision and recommendations of the World Bank in 2015/2016, Kuwait placed a considerable budget to instigate a curriculum reform, via the implementation of Competence-Based Curriculum (CBC), which was adapted three years ago. However, the relatively modest outcome was controversial and did not meet the expectations of both policymakers and teachers. This study investigated the factors that hindered progression of CBC in the English curriculum as expressed by ESL teachers in the field. The study utilized a mixed-method design whereby both quantitative and qualitative data were used to fulfill the research objectives. Findings indicate that ESL teachers generally held positive views on CBC, yet several obstacles hindered CBC efficacy in the schools of Kuwait. The study also listed a number of pros and cons of CBC practice in Kuwait. Interviews with stakeholders brought a number of issues of misconduct, if not contained, no curriculum reform would gain the anticipated positive outcomes. Research objectives were addressed as a recommendation for future planning of curriculum change, contributing to the field of study.

Published
2021

35. Development and application of a second-generation multilingual tool for invasion risk screening of non-native terrestrial plants

Author

Vilizzi, Lorenzo, Piria, Marina, Pietraszewski, Dariusz, Giannetto, Daniela, Flory, S. Luke, Herczeg, Gábor, Sermenli, Hayrünisa Baş, Britvec, Mihaela, Jukoniene, Ilona, Petrulaitis, Lukas, Vitasović-Kosić, Ivana, Almeida, David, Al-Wazzan, Zainab, Bakiu, Rigers, Boggero, Angela, Chaichana, Ratcha, Dashinov, Dimitriy, De Zoysa, Mahanama, Gilles, Allan S., Jr, Goulletquer, Philippe, Interesova, Elena, Kopecký, Oldřich, Koutsikos, Nicholas, Koyama, Akihiko, Kristan, Petra, Li, Shan, Lukas, Juliane, Moghaddas, Seyed Daryoush, Monteiro, João G., Mumladze, Levan, Oh, Chulhong, Olsson, Karin H., Pavia, Richard T., Jr, Perdikaris, Costas, Pickholtz, Renanel, Preda, Cristina, Ristovska, Milica, Švolíková, Kristína Slovák, Števove, Barbora, Ta, Kieu Anh T., Uzunova, Eliza, Vardakas, Leonidas, Verreycken, Hugo, Wei, Hui, Yoğurtçuoğlu, Baran, Ferincz, Árpád, Kirkendall, Lawrence R., Marszał, Lidia, Paganelli, Daniele, Stojchevska, Cvetanka, Tarkan, Ali Serhan, and Yazlık, Ayşe

Published
2024
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