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Stereotype threat theory (STT) offers one explanation for achievement differences in math and science for both women and minority students. Specifically, STT posits that the perceived risk of confirming a negative stereotype about an individual’s identity group acts as a psychological burden that negatively impacts performance. This study examined the impact of stereotype threat (ST) on gender differences in chemistry achievement, self-efficacy, and test-anxiety using a four-group, quasi-experimental design. 153 introductory-level college chemistry students were randomly assigned to one of four ST conditions including an explicit ST condition, an implicit ST condition, a reverse ST condition, and a nullified condition. Results indicated that there were no gender differences by ST condition; however, overall, the men had higher self-efficacy and lower test-anxiety than the women. An analysis of open-ended questions asking students about their intent to major in chemistry, beliefs regarding barriers to their achievement on the chemistry test, and gender differences in opportunities and mental capacity to achieve in chemistry provided insight into the quantitative results. Implications of our findings for future research on ST are discussed.  相似文献   
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For the past 10 years the Ministry of Education of Mongolia has periodically oscillated between decentralization and recentralization policies. On paper, it has consistently and enthusiastically subscribed to decentralization, but in practice has given these policies low priority. This study attempts to explain the discrepancies between policy talk and actual implementation. Methodologically, the authors investigate local policy contexts and examine how international interventions such as decentralization policies are locally reinterpreted or ‘Mongolized’. The study examines several areas where cultural legacies from the socialist past have clashed with the expectations of international donors. Theoretically, the Mongolian fiasco of decentralization reform lends itself as a case to address issues that have been raised both in comparative research on ‘transitology’ and on cross‐national policy borrowing.  相似文献   
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This study details an innovative approach to coordinating and enhancing multiple levels of assessment and discursive feedback around an existing multi‐media curricular environment called Astronomy Village®. As part of a broader design‐based research programme, the study analysed small group interactions in feedback activities across two design cycles. The goal of this analysis is to develop an understanding of the ways that a situative approach to assessment and practise supports learning. Findings demonstrate ways that student and teacher engagement in collaborative activities support and constrain meaningful understanding, which we consider in terms of a trajectory of participation in and across conversations and written assessments, as well as individual learning gains on formal classroom examinations and standards‐oriented external tests. Analyses of complementary formulations of domain concepts—discourse practises and assessment performance—suggest that participation in social forms of scientific engagement supports both learning and subsequent performance in more formal contexts. We suggest design principles for integrating the formative functions of discursive feedback with the summative functions of traditional assessment, through participation in different forms of science discourse(s).  相似文献   
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An assessment‐oriented design‐based research model was applied to existing inquiry‐oriented multimedia programs in astronomy, biology, and ecology. Building on emerging situative theories of assessment, the model extends prevailing views of formative assessment for learning by embedding “discursive” formative assessment more directly into the curriculum. Three twenty‐hour curricula were designed and aligned to content standards, and three levels of assessments were developed and used to assess and enhance learning for each curriculum. These assessments included three or four informal “activity‐oriented” quizzes and discursive formative feedback rubrics supporting collective discourse, a “curriculum‐oriented” examination of individual conceptual understanding, and a “standards‐oriented” test measuring aggregated achievement of targeted standards. After two design‐research cycles, worthwhile scientific argumentation and statistically significant gains were attained for two of the three packages on the exam and test. Achievement gains were comparable to or larger than those of students in comparison classrooms. Many existing innovations could be enhanced and evaluated in this fashion; designing these strategies directly into innovations could have an even greater impact on discourse, understanding, and achievement. © 2012 Wiley Periodicals, Inc. J Res Sci Teach 49: 1240–1270, 2012  相似文献   
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This study examined the relationship among cognitive and motivational variables impacting college students’ willingness to take mitigative action to reduce the impacts of human-induced climate change. One hundred and forty college students were asked to read a persuasive text about human-induced climate change and were pre and post tested on their attitudes about climate change and their willingness to take action to mitigate its effects. Students showed statistically significant changes in their attitudes about climate change and their willingness to commit to take action. A path model demonstrated that openness to change and a willingness to think deeply about issues predicted both change in attitudes and expressed willingness to take action. This research demonstrates that a persuasive text has the potential to promote change around complex socio-scientific issues.  相似文献   
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A model of conceptual change in physics was tested on introductory‐level, college physics students. Structural equation modeling was used to test hypothesized relationships among variables linked to conceptual change in physics including an approach goal orientation, need for cognition, motivation, and course grade. Conceptual change in physics was determined using gains from pre‐ to post‐administration of the Force Concept Inventory (FCI). Results indicated that need for cognition and approach goals had a significant influence on motivation. Motivation influenced change scores on the FCI both directly, and indirectly, through course grade. Finally, course grade directly influenced conceptual change. The implications of these findings for future research and developing students' conceptual change in physics are discussed. © 2011 Wiley Periodicals, Inc. J Res Sci Teach 48: 901–918, 2011  相似文献   
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Research on policy borrowing is a well-established research area of comparative education. Over the past 20 years or so it gained prominence among globalization scholars. Of great interest is not so much the question of which reforms “travel” internationally, and which ones are homebound, but rather why traveling reforms resonate in a given context and at a specific moment, and how they are subsequently translated or locally adapted. In addition to issues of reception and translation, questions on the politics and economics of policy transfer are central to this research area. Empirical studies have shown that borrowing reforms from other countries, from other sectors within a country, or from “international standards” broadly defined often help coalition-building in a country. Policy borrowing also helps to mobilize financial resources, especially when it is preceded by political talk of falling behind some international standards or “best practices.” Therefore, the methods of inquiry used, the type of research questions asked, and the conclusions drawn in this body of research tend to address political and economic aspects of educational reform. Arguably, a transnational perspective is indispensable to carry out this kind of intellectual project. The academic preoccupation with policy borrowing has helped to formulate the contours of comparative policy studies. The article provides a brief overview of the main tenets of policy borrowing research and then focuses specifically on three aspects: policy reception, policy projection, and the rise of the global education industry as a new actor and beneficiary of global education policy.  相似文献   
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