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排序方式： 共有195条查询结果，搜索用时 15 毫秒
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Marta Molina Susana Rodríguez-Domingo María Consuelo Cañadas Encarnación Castro 《International Journal of Science and Mathematics Education》2017,15(6):1137-1156
In this article, we present the results of a research study that explores secondary students’ capacity to perform translations of algebraic statements between the verbal and symbolic representation systems through the lens of errors. We classify and compare the errors made by 2 groups of students: 1 at the beginning of their studies in school algebra and another 1 completing their studies on algebra in compulsory education. This comparison allows us to detect errors which require specific attention in instruction due to its persistence and to identify errors that disappear as students advance in their study of algebra. The results and conclusions have a pedagogic value to inform instruction and also lead to backed conjectures and research questions to push forward research on student’s translation capacity and students’ knowledge of algebraic symbolism. 相似文献
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Claudia Matus Marta Infante 《Discourse: Studies in the Cultural Politics of Education》2011,32(3):293-307
In this article we analyze discourses of ‘diversity’ in colleges of education in Chile. We contend that the use of discourses of diversity, as reproducing the separation between mainstream subjectivities and those uncontained by the category of normal, is one of the ways universities align themselves with the rules of a democratic society, based on ideas of multicultural understandings and tolerant communities proliferated by inter-governmental institutions such as the Organization for Economic Cooperation and Development (OECD) and others. Our interest is to question the marginalization of cultural politics through the intensification of these discourses. At the same time, we explore the relations between the advancement of neutral discourses of difference and the value-free practices expressed in neoliberal educational agendas. We use discourse analysis to read interviews with future teachers. We understand students’ narratives as perpetuating normative ways of thinking and legitimating those knowledges promoted by institutional curricula. 相似文献
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Dorota Kostrzewa-Nowak Robert Nowak Zbigniew Jastrz?bski Aleksandra Zar?bska Marta Bichowska Izabela Drobnik-Kozakiewicz ?ukasz Radzimiński Agata Leońska-Duniec Krzysztof Ficek Pawe? Ci?szczyk 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2015,25(1):103-113
Background
Numerous data suggest that aerobic-type exercise improves lipoprotein-lipid profiles, cardiorespiratory fitness and body composition in young women. The aim of this study was to evaluate the biological response to high-low impact aerobic fitness among young women.Materials and methods
Thirty-four young women aged 22 (19-24) years were divided into three groups: underweight (N = 10), normal weight (N = 12) and overweight (N = 12). Aerobic capacity, anthropometry and body composition together with complete blood count and lipid profile were determined before and after completion of a 12-week-long training period.Results
The training programme caused a significant decrease in weight (by 4.3 kg, P = 0.003), body mass index (by 1.3 kg/m2, P = 0.003), free fat mass (by 2.1 kg, P = 0.002), total body water (by 0.4 kg, P = 0.036), percentage of fat (by 3 percent points, P = 0.002), all analyzed skinfolds thicknesses, as well as the lipid profile in overweight group, and no changes in normal weight group. Significant changes in weight (by 4.2 kg, P = 0.005), body mass index (by 0.9 kg/m2, P = 0.005), crus skinfold thickness (by 3.3 mm, P = 0.028), and in maximum oxygen uptake (by 2.49 mL/kg/min; P = 0.047) were observed among underweight women. No change in total blood count was observed in all groups.Conclusion
Twelve-week-long fitness training programme of two alternating styles (low and high impact) has a beneficial effect on overweight young women.Key words: body composition, physical fitness, overweight, women 相似文献46.
This contribution aims to examine how different areas of self‐regulation are related to academic achievement in adolescents and young adults. The study involved participants, drawn from following age groups: 14–15, 17–18 and 22–23. In order to get information about cognitive, metacognitive, motivational and emotional aspects of self‐regulation, self‐report questionnaires were used. Differences between age‐groups revealed following tendency: there has been a decrease in all fields of self‐regulation from age of 14 (end of primary school) to the age of about 18 years (end of secondary school), and then results slowly improved to the age of about 22 years (students of undergraduate studies). The results obtained are mirroring perceived competence of self‐regulation and differ from the results concerning metacognitive accuracy. Metacognitive self‐regulation persists as an important predictor of school achievement at all developmental levels, and the motivational self‐regulation has significant impact on performance in the first and second age group. 相似文献
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MartaMestrovicDeyrup MarthaFallahayLoesch 《图书情报工作》2005,49(6):37-44
National and institutional policies on open access are not yet fully established in the United States because of the manner in which the open access movement has evolved. In this report, the authors illustrate how the open access movement has evolved within each community libraries, universities, publishing companies, government agencies, the professoriate, public interest groups, and the U.S. Congress and note what trends now are beginning to emerge. 相似文献
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This investigation examines the difficulties encountered by one graduate teaching assistant as she taught Physics for Elementary Education, a large‐enrollment, inquiry‐based science course taught at a public Midwestern university. The methodological approach of hermeneutic phenomenology served as the lens to investigate the research question, “What is the lived experience of a graduate teaching assistant as she learned to teach physics through inquiry to elementary education students?” We summarize the findings in terms of the blending of two conceptual frameworks: orientations to science teaching and professional identity. We learned that fundamental beliefs about the nature of science support certain orientations, and if those beliefs remain unchallenged, then the orientation is unlikely to change. Finally, we discuss implications for strategies that may assist college‐level instructors with changing their orientation to teaching science. © 2004 Wiley Periodicals, Inc. J Res Sci Teach 41: 584–602, 2004 相似文献
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