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School site leadership has commanded the attention of researchers and policymakers in Anglo-American jurisdictions for at least two decades, but little is known about how many other parts of the globe have addressed this topic. This paper reviews published research and policy documents related to school leadership in Latin America between 2000-2016. Applying rapid mapping techniques used for scoping studies, we review 359 research and policy documents and give "coherent, meaningful shape" to what we know and what we don't know about school leadership in the region. Attention in research and policy to school leadership in Latin America was relatively slow to arrive: whilst it grew steadily in the first decade of this century it remains low compared to other regions of the world. We provide an overview of the school leadership policy environment in several countries, describing recruitment, selection, evaluation, and job responsibilities of principals; relevant leadership frameworks; and requirements for training or professional development. We speculate on what might explain the diverse ways that school leadership has been taken up in the region: degree of school system centralization; policy borrowing; stage of development; technocratic problem solving; and neoliberal accountability.

Purpose: This study aims to identify the strategic leadership and change management used to obtain the Association to Advance Collegiate Schools of Business (AACSB) accreditations as well as the research development on AACSB in the past decade. Design/methodology/approach: This study used a systematic literature review following Petticrew and Roberts' study. The articles were limited to empirical studies published from 2013 to 2022, taken from the Dimensions AI database. Findings: The findings suggested that two leadership styles were used to obtain AACSB accreditation: dominance-oriented transformational and financial leadership, alongside three traits of academic leaders: commitment, engagement and encouragement. Additionally, three change management models/processes were found in the articles: teaching evaluation framework, temporary isomorphism and authenticity. Finally, they discovered that the object of the studies on AACSB accreditation had been narrowed down from the organizational level to smaller objects consisting of schools' identity, teaching, learning and business schools' key players. Research limitations/implications: As this study only used Dimensions AI, potential articles related to the topic outside the database could not be obtained. Thus, it limits the scope of the findings of this paper. Practical implications: This study informs academic leaders in business schools about the role of strategic leadership and change management in obtaining AACSB accreditation. Originality/value: Through a systematic scoping review, this study presented a decade of research development on AACSB in addition to the strategic leadership and change management needed to obtain it.

In this paper, the authors identify and analyze public policy and the investment and expenditure that the governments of Argentina, Chile, Colombia, Paraguay and Uruguay commit to make in the development and procurement of textbooks, books and digital content for primary and secondary education (K-12). The aim is to identify and propose a roadmap for developing policies that advance the principles of the Paris Open Educational Resources Declaration. In the region, digital content coexists with and complements the traditional ones. Paper textbooks continue to have a leading role in the education systems of the region. In this context, the authors assess how the acquisition of traditional and digital materials occurs and offer some recommendations to the governments to adjust their public spending policies on educational resources development and procurement. [This paper was presented at the OpenCourseWare Consortium Global Conference (Ljubljana, Slovenia, April 23-25, 2014).]

This article introduces a special issue of EPAA/AAPE devoted to recent higher education reforms in Latin America. The last two decades have seen much policy development in higher education in the region, examined and discussed by scholars in each country, but dialog with the international literature on higher education reform, or an explicit comparative focus, have been mostly absent from these works. By way of presentation of the papers included in this issue, we first provide an overview of major policy changes in higher education in the Latin American region since the 1990s. We then turn to the six works in this special issue to describe the theories and methods supporting them. Next, we illustrate how general analytic categories can be derived from single or multi country case studies to illuminate themes capable of cutting across the particulars of national contexts, with their unique traditions, policy paths, and politics. Our three common threads are, first, the types of drivers for reform, that is, how policy change originates, either bottom-up from the institutions, or top-down from the government, and various possibilities in between. Second, understanding challenges to institutional autonomy in a continuum of intensity of state intended intervention in higher education. Third, explaining different levels of strain between public and private sectors in higher education based on conditions of competition for economic resources. While the papers in this special issue do not cover all countries, nor all issues on which policy has been crafted in the last two decades across the region, the collection of articles herein account for topics of enduring importance: faculty work in Ecuador, financial aid in Colombia, public policy decentralization in Argentina, quality assurance models in Colombia and Uruguay, the emerge of new institutions and universities in Argentina and Uruguay, and social justice, access, and inclusion in higher education, in Argentina, Bolivia, Brazil, Chile, Colombia, and Ecuador. The articles presented in this special issue provide much insight onto higher education policy in Latin America and, additionally, offer ample opportunity to develop social science knowledge on the basis of strong comparative work.

The COVID-19 pandemic generated a new scenario in education, where technological resources mediate teaching and learning processes. This paper presents the development of a virtual teacher training experience aimed at promoting inferential reasoning in practicing and prospective mathematics teachers using inference problems on the Chi-square statistic. The objective of this article is to assess the implemented or intended institutional meanings and the degree of availability and adequacy of the material and temporal resources necessary for the development of the training experience. For this purpose, we use theoretical and methodological notions introduced by the Ontosemiotic Approach to Mathematical Knowledge and Instruction (OSA), among which are the notions of practice and suitability criteria. The participants of this experience were divided into three groups; one of them was comprised of practicing teachers and the other two of prospective teachers. The intervention used different virtual modalities that enabled the development of the participants' inferential reasoning in a similar way.

This paper aims to evaluate and discuss the digital competence of academics at universities, to identify challenges and define recommendations for policy. This study was conducted through collaboration between the Joint Research Centre (JRC) of the European Commission and Metared of the Universia Foundation, surveying 30,407 participants who present the perceptions of their own digital competence levels. These self-reflections took place in universities in seven countries, namely Argentina, Brazil, Colombia, Chile, Peru, Mexico and Portugal, and used the Check-In tool, which consists of 22 questions based on the European Framework for the Digital Competence of Educators--or 'DigCompEdu' framework. A descriptive statistical analysis was performed, followed by a qualitative evaluation. Almost 70% of the academics have an average intermediate level of competence when the data is aggregated, with results varying in each DigCompEdu area according to the specific question asked. There is no significant difference between young and senior academics, as well as between men and women. The results present a discussion of whether the age and gender of educators and their work environment have an impact on their digital competence level, and at the same time highlights the areas in which educators perceive themselves to be most and least competent. It shows how the amount of institutional support that is offered affects the academics' perceptions of their level of digital competence. On the basis of the results, recommendations are presented for higher-education institutions, with the aim of supporting the professional development of their academics.

This paper presents a compilation of personal reflections from 66 contributors on the impact of, and responses to, COVID-19 in accounting education in 45 different countries around the world. It reveals a commonality of issues, and a variability in responses, many positive outcomes, including the creation of opportunities to realign learning and teaching strategies away from the comfort of traditional formats, but many more that are negative, primarily relating to the impact on faculty and student health and well-being, and the accompanying stress. It identifies issues that need to be addressed in the recovery and redesign stages of the management of this crisis, and it sets a new research agenda for studies in accounting education.

For the last 30 years international assessments have become more widespread and systematic, and their influence on education policy has increased: the OECD through the PISA tests has played a major role in this process. This article reflects on the case of the countries of the Southern Cone: Argentina, Uruguay, and Chile. It analyzes the relationship between the OECD, PISA and the education policy agenda setting as part of the process of internationalization of schooling. [This paper was presented at the bi-annual CESE Conference held in Nicosia, Cyprus, in May 2018.]

Latin American countries have evolved over the years. Still, after years of military reign, socioeconomicinstability, and civil wars, the region has been known for its anti-hegemonic economic growth (educationalpolicies) strategies. Central and South America's educational system has long been under investigation by researchers both theoretically and empirically. The transition of its education system through the introduction of centralized, liberalized, and populist ideology has sparked many researchers' interest. This paper aims to understand and compare 14 Latin American countries' education orientation. The study uses a matrix table to visualize the qualitative finding.

The purpose of this paper is to comprehend the importance that grammar has in the teaching of writing in the Hispanic American countries and Spain. To achieve this, the discussion that has taken place in these countries about the importance of sentence grammar in the teaching of writing is analysed. Three proposals for the contextualised teaching of grammar are systematised from the literature review: those that are focused in the writing process, those focused on metalinguistic reflection and those with a greater emphasis in the grammar of text. Besides, the school curricula of 14 Spanish-speaking countries that were involved in the international assessment of TERCE are examined. This analysis shows an evident attachment to the communicative approach of grammar. This means that in almost all countries grammar is taught linked to the linguistic skills of reading, writing or orality, with an especial emphasis in writing. Also, two tendencies can be observed in the curricula of this countries, that guide the way in which curricula use sentence grammar to have an impact on written communication: (i) from sentence grammar to text grammar and (ii) from text grammar to sentence grammar.

The relationship between theory and qualitative research has been extensively examined in the literature and has emerged as a problematic matter. This debate has been driven forward mainly in Anglo-Saxon countries and has done scant justice to an understanding of these issues in regions of the South. This paper addresses this matter by drawing on a geopolitical perspective. The study here provides an analysis of 24 papers by Latin-American researchers in higher education, as included in the Web of Science between 2006 and 2015. Theories in Latin America are mainly produced in the North and exhibit two patterns: (i) critical perspectives are used to address local problems -- 'epistemic problematization'; and (ii) a nuancing of Northern theories so as to contextualize them -- 'epistemic nuancing'. Suggestions are also made for a new configuration of knowledge production in higher education studies -- a model of knowledge from and for the South.

Despite their common historical roots, two higher education systems in Latin America differ dramatically in their financing mechanisms. In Argentina, the national government completely subsidizes undergraduate programs in public institutions, while Chile relies mostly on tuition fees charged to individuals attending public institutions. Through quantitative and qualitative secondary sources, this paper shows that class interests (structural approach) and economic policies (ideational approach) played a major role in explaining comparative policy outcomes in these nondemocratic regimes. The article makes an explicit contribution to the understanding of comparative policy choices in nondemocratic regimes.

The aim of this paper is to describe Dewey's reception in the Spanish-speaking countries that constitute the Hispanic world. Without any doubt, it can be said that in the past century Spain and the countries of South America have been a world apart, lagging far behind the mainstream Western world. It includes a number of names and facts about the early translation of Dewey's works in Spain, Chile, Cuba, Mexico and Argentina in the first half of the century and a brief explanation of the decline of Dewey in the second half. To a great extent, Dewey's conception of education was immersed in the international movement of reform that started at the turn of the century and would eventually slowly but surely, renovate the structure of the educational system throughout the entire century, including that of South America. But it is equally clear that the Spanish-speaking countries have displayed a general ignorance of Dewey and, by extension, of American pragmatism during most of the century. In spite of mutual incomprehension, a deep affinity between Dewey's pragmatism and Hispanic philosophy is suggested in this paper, anticipating that the gradual process of democratization of Spain and the Hispanic countries of South America may be in some sense related to the rediscovery of Dewey and to the application of his key ideas in education. After decades of neglect of Dewey and of his contribution, there is a strong feeling not only that his conception of things is important to understand the last century but that Dewey--along with Peirce and other American classical pragmatists--may very well prove to be a key thinker for the XXIst century also in the Hispanic world. Along this vein, the recent resurgence of pragmatism can be understood not as the latest academic fashion but the occasion to start to close the gap between the two worlds.

This paper compares the development of International Baccalaureate (IB) schools in four different settings: Argentine, Chile, Spain and Ecuador. The global comparative approach used in this study, based on actor-network theory (ANT), allows us to analyse the connections and interactions between global actors and the plurality of national, regional, municipal actors in a common conceptual frame--the IB network. The IB network includes mainly global actors, such as the Diploma Programme (DP), IB schools and the IB organisation, IB schools associations but also a myriad of local actors such as political leaders, national education administrations and local authorities. The paper examines two central assemblages: the institutional assemblage and the curricular assemblage. The institutional assemblage relates to who promotes and funds the DP in each country. While in Argentina and Chile an IB-private school assemblage prevails, in Spain it was an IB-public/private schools assemblage and in Ecuador an IB-government one. These assemblages condition the main point of passage of the IB network--the DP as a means to access to university--which further necessitates new assemblages between the DP and the official curriculum--the curricular assemblage.

Purpose: This paper aims to present an approach to achieve accessible and inclusive Virtual Education for all, but especially intended for students with disabilities. This work proposes main steps to take into consideration for stakeholders involved in the educational process related to an inclusive e-Learning. Design/methodology/approach: The paper pays particular regard to accessibility in Virtual Education. This work is based on the activities prepared from years 2012 to 2015 within the initiative called ESVI-AL. This initiative was carried out in conjunction with Latin American and European Universities; for this paper, experiences and best practices from the initiative were used to prepare the proposed approach. Findings: The aim of ESVI-AL initiative was to offer products that can help in the development of an accessible and inclusive e-Learning education. Among the main results were reports, case studies, practical guidelines, training courses and software to install virtual campuses with accessibility features. Social implications: Nowadays, few countries have laws promoting and enforcing accessibility for e-Education and e-Society. This work aims to sensitize educators from different countries and raise awareness on the importance of working together toward an inclusive society based on accessible e-Learning. Originality/value: Based on a literature review and ESVI-AL initiative results, a descriptive overview was prepared as a starting point for the four identified main actors of an educational project, namely, educators, technical staff, quality auditors and students, with special emphasis on students with disabilities.

In this paper, we estimate the causal effect of an extra year of schooling on mathematics performance for seven Latin American countries based on PISA 2012. To that end we exploit exogenous variation in students' birthdates around the school entry cut-off date using both sharp and fuzzy Regression Discontinuity designs. We find strong effects of an extra year of schooling in most countries, which amount to a 30% increase in PISA test scores in Brazil, 18% in Uruguay, 7% in Argentina and 6% in Costa Rica. These effects differ from the typical estimates obtained from simple regressions or multilevel models and are large enough to allow 15-year-old students to reach higher proficiency levels, suggesting significant potential gains of reducing dropout rates in the region. Finally, we stress the importance of taking into account the effects of school entry cut-off dates on PISA samples to avoid making unfair international comparisons.

The academic programs at the graduate level are increasingly interested about the enrollment management challenges in terms of international student mobility. Understanding fundamental enrollment concepts to attract international students provides the essential key to consider the competitive environment concerning university resources, academic program potential, complex cultural dynamics, and workplaces among others. Based on a six-year quantitative and descriptive statistical study, this paper addresses the trends of first-time graduate enrollment and patterns of international student mobility by faculty at the University of Puerto Rico at Mayaguez. Results revealed the sustained trend of graduate enrollment of international students mainly from South America, Central America, and the Caribbean among others. Moreover, the presence of international graduate students adds a dimension of diversity to UPRM between teaching and research undertakings that enhance the Colleges of Engineering, Arts and Sciences, Agricultural Sciences, and Business Administration. The international student mobility has a consistent tendency mainly in the Colleges of Engineering, Arts and Sciences, and Agricultural Sciences. This consistency resembles the quality and reputation recognized by educational institutions and organizational world rankings. In-depth, understanding the trends related to international graduate enrollment and mobility should be considered by institutional leaders and administrators at UPRM to make knowledgeable decisions and to effectively set priorities to recruit highly qualified international students.

In recent decades, many Latin American governments have implemented policies to expand opportunities in higher education, aiming at reducing discrimination and social inequalities. These policies have taken different forms, according to the peculiarities of the respective higher education systems. The purpose of this paper is to explore the scope and limitations of these policies. We develop our analysis of theoretical literature on the subject, and review empirical information available from secondary sources of recent experience in five countries: Argentina, Brazil, Chile, Mexico and Venezuela. Argentina has increased opportunities for disadvantaged social sectors by expanding the public sector. Brazil has attempted to improve access for ethnic and social minorities in both public and private institutions. Chile is a unique case because of the continuing commitment to allow market forces to shape higher education. In Mexico, increased opportunities for access have resulted from the creation of intercultural universities and technical institutions in the public sector, as well as through growth in the private sector. Finally, in Venezuela, expansion occurred through the creation of a new system of universities that operates in parallel to traditional public institutions. We note that, in all cases, the policies reflect an underlying belief that there are only benefits to unlimited expansion, without regard to possible consequences, such as an excess of university graduates in economies with limited job opportunities for them. Moreover, these policies do not take into consideration the deficit of cultural and educational capital of young people who come from the most marginalised social sectors, deficits that may hinder their success. Concepts such as 'overeducation' or 'credencialism' call into question that optimistic belief and explain the limitations of the coverage expansion in terms of real democratisation.

Background: Ioannidis et al. (2020) reported a standardized estimate of scientific productivity obtained from a worldwide database of 6,880,389 scientists who published at least 5 papers picked up by the Scopus database, and elaborated a ranking of ca. 120,000 scientists by both whole trajectory (career-long) impact and their current impact at year 2019. The goal of our paper is to contextualize Latin American ecologists' contribution at the world level based on the four most scientifically productive countries in the region. Methods and findings: Ioannidis et al. (2020) proposed a composite index that is the sum of six scientometric indicators: (1) The number of allocites, (2) the h index, (3) a per capita corrected version of h, (4) the allocites received as single author, (5) those received as single + first author, and (6) those as single + first + last author. We selected data for ecologists from Argentina, Brazil, Chile, and Mexico and comparatively analyzed their productivity according to the proposed index. We also compared these data with those obtained from a global sample of the top ecologists worldwide. Conclusions: Based on Ioannidis et al.'s proposition to evaluate scientific productivity we extract three lessons: (1) It does not pay to publish many papers; what counts is the number of allocites (i.e., self-citations do not add up). (2) Either be single, first, or last author; it does not pay to be in the middle of an authorship line. (3) Even worse it is to be among many co-authors because the proposed index allocates credits on a per capita basis. [ABSTRACT FROM AUTHOR]

This paper reveals and analyzes the cinematographic, political, and aesthetic transitions intersecting two Southern Cone films that premiered concurrently in 1991: the award-winning Chilean movie "La frontera" by Ricardo Larraín and the forgotten Argentine independent production "La redada" directed by Rolando Pardo. Despite bridging similar historical circumstances and tackling sensitive issues that rose to the forefront during the transition to democracy, "La frontera's" and "La redada's" editing techniques, treatment of characters, mise-en-scènes, and conclusions reveal divergent aesthetics that affected the films' reception at the time of their release and that deserve a close critical analysis. Not only can these artistic differences be interpreted in relation to the political moment of transition of the late 1980s and early 1990s in Argentina and Chile, but they also resonate with current discussions about inequality and discrimination in postauthoritarian society and the actual state of democracy in the Southern Cone.

This paper studies multidimensional poverty for Argentina, Brazil, Chile, El Salvador, Mexico and Uruguay for the period 1992-2006. The approach overcomes the limitations of the two traditional methods of poverty analysis in Latin America (income-based and unmet basic needs) by combining income with five other dimensions: school attendance for children, education of the household head, sanitation, water and shelter. The results allow a fuller understanding of the evolution of poverty in the selected countries. Over the study period, El Salvador, Brazil, Mexico and Chile experienced significant reductions in multidimensional poverty. In contrast, in urban Uruguay there was a small reduction in multidimensional poverty, while in urban Argentina the estimates did not change significantly. El Salvador, Brazil and Mexico, and rural areas of Chile display significantly higher and more simultaneous deprivations than urban areas of Argentina, Chile and Uruguay. In all countries, deprivation in access to proper sanitation and education of the household head are the highest contributors to overall multidimensional poverty.

In 2007, six countries (Argentina, Brazil, Chile, Paraguay, Peru and Uruguay) commenced work on a project to harmonise public policy on school sexuality education (SE) and the prevention of HIV. Inter-sectoral management committees for SE involving ministries of education, ministries of health and civil society were established, national policies and work plans were formulated and implemented, and SE/HIV prevention activities were carried out. The strengths and weaknesses of implementation were assessed. After this, the beginnings of a community of practice were created, with national focal points. This paper analyses the above process using qualitative data generated through semi-structured questionnaires and interviews, with a focus on the perceived contribution of regional collaboration to the development of national policies, national curricula and implementation. Overall, the initiative reached 83,000 teachers and 1,500,000 pupils. Training materials and national curricula and policies were developed, introduced and implemented. Regional collaboration improved political institutionalisation, information exchange, inter-sectoral collaboration, civil society participation, programme legitimacy and the perception of SE as a young person's right. The initiative offers a model for other countries, with regional collaboration helping to establish the case for SE both normatively and institutionally at the political level, mitigate obstacles in the context of such a politically sensitive topic as SE and provide a forum for discussion and the exchange of information which in turn helped legitimise and operationalise national SE policies.

The paper reports from a comparative study on systems of quality assurance in 19 countries around the globe, and how these systems function as accountability mechanisms. Based on a theoretical framework for assessing how accountability mechanisms can contribute to build trust in the higher education sector, the analysis of the quality assurance systems underline the dominant role of quality assurance systems as the prime accountability mechanism in the sector, often accompanied by semi-autonomous agencies emphasising various forms of accreditation. Based on an assessment of the quality assurance systems it is still suggested that the current forms of accountability are not stimulating the up-building of trust in and of the sector. In the conclusion, some reflections are offered as alternatives to the current situation.

Based on data from 700 companies in 20 countries, this paper records the research that investigates the contribution of organisational and technological practices to speed up New Product Development (NPD). The organisational practice is found positively correlated with the speed of NPD. However, no significant direct relationship was found between technology practice and the speed of NPD. The organisational and technological practices are found to be in balance, which may be a new input to explain how technology helps NPD. The implication is that organisational practices such as team, continuous improvement and Total Quality Management (TQM) philosophy are needed in order to implement technologies successfully. This result supports the simultaneous theory on innovation, which is especially important in developing countries. (Contains 1 figure and 4 tables.)

Despite their common historical roots, two higher education systems in Latin America differ dramatically in their financing mechanisms. In Argentina, the national government completely subsidizes undergraduate programs in public institutions, while Chile relies mostly on tuition fees charged to individuals attending public institutions. Through quantitative and qualitative secondary sources, this paper shows that class interests (structural approach) and economic policies (ideational approach) played a major role in explaining comparative policy outcomes in these nondemocratic regimes. The article makes an explicit contribution to the understanding of comparative policy choices in nondemocratic regimes. [ABSTRACT FROM AUTHOR]

The aim of this paper is to investigate the relationship between lithium mining and the environmental-social aspects of mining in the countries of the lithium triangle by analysing scientific research works and available statistical data, and applying economic theory to green extractivism. We investigate whether the countries of the lithium triangle meet the criteria of the theory of green extractivism. In the context of the theory of green extractivism, we include Bolivian and Argentine regions as sacrifice zones while Chile is relatively successfully building renewable energy sources. In all three countries, we detected the socio-environmental impacts of lithium mining, the most serious problem being the right to water and the threat to the poorest regions. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Iberian & Latin American Research is the property of Routledge and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Meteorologica is the property of Centro Argentino de Meteorologos and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Geographical scholarship examining banal and everyday nationalism has tended to frame national flags as abstract and passive objects that are taken for granted and incorporated into the daily lives of citizens in mindless ways. In contrast, this paper acknowledges flags as lively material objects that can be enrolled by citizens to make political points and generate certain "affective atmospheres." It argues that the recognition of agency in debates concerning everyday nationalism needs to be pushed further to acknowledge the conscious and active negotiations of national objects like flags, to account for the diverse ways nations can be practised and performed by citizens. To illustrate our arguments we focus on the memories and reflections of citizens involved in protests in the Aysén region of Chilean Patagonia in 2012. During these incidents, citizens deployed different flags in provocative ways to draw attention to their reclamations and apply pressure on the Chilean state to improve socio‐economic conditions in the region. The legacies of events like the 2012 protests and the associated (re)appropriation of national flags enables an interrogation of citizens' everyday identifications with nations in this border region of Patagonia. More broadly, we use the example to call for the materialities of flags as active objects to be the subject of further geographical inquiry, as one way to reinvigorate explorations of political agency and everyday nationalism. [ABSTRACT FROM AUTHOR]

The oral history activities in Argentina, Chile, Peru, and Bolivia are not yet near the point where they can rival the impressive oral history projects carried out in Mexico, Cuba, and Brazil. (RM)

Copyright of Revista SAAP is the property of Sociedad Argentina de Analisis Politico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)