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41.
Stella Vosniadou Christos Ioannides 《International Journal of Science Education》2013,35(10):1213-1230
A theoretical framework based on cognitive/developmental research is described. It is argued that science learning is a gradual process during which initial conceptual structures based on children's interpretations of everyday experience are continuously enriched and restructured. Conceptual change also involves increased metaconceptual awareness, cognitive flexibility, and theoretical coherence. Some of the implications of this research for the development of science curricula and for instruction are discussed. It is also argued that while cognitive/developmental research can provide us with important information about the process of learning science, it does not provide much information about the external, environmental variables that can facilitate cognitive performance and conceptual change. What is needed in the future is the development of a theory of learning that bridges science education and cognitive/developmental research. Such a theory should specify the mechanisms that can take an individual from one level of cognitive performance to the next and relate them to situational and cultural factors. 相似文献
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Tâmile Stella Anacleto Taísa Adamowicz Laura Simões da Costa Pinto Fernando Mazzilli Louzada 《Mind, Brain, and Education》2014,8(4):169-174
Although the environmental light/dark cycle is the main zeitgeber for the human species, the social cues seem to be important in the synchronization of circadian rhythms. In Brazil, the existence of two school schedules—one with only morning classes (MG) and other with only afternoon classes (AG)—allows the investigation of the effect of school activities on light exposure and sleep/wake patterns in children. Forty‐seven children wore wrist actimeters for a week for registration of light and sleep data. MG children presented shorter sleep duration on school days than the children from the AG. The results showed that during school days MG children were exposed to bright light earlier in the morning when compared to AG children. Nevertheless, there were no differences in light exposure after sunset. The results reflect the role of school schedules and artificial light in shaping light exposure, and its association with sleep timing in children. 相似文献
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Since the 1970s, the de‐differentiation of high and low culture has legitimized the curation of craft and popular culture. The curation of some crafts, such as quilting, has assisted in reducing art‐craft distinctions, and the exhibition of fashion and popular music has highlighted links between folk culture (e.g., stories, songs, and crafts) and mass culture. With reference to the craft of knitting, we draw on the concept of the contact zone) to show how the current breaching of museum boundaries by yarn bombers can draw further attention to inclusions and exclusions in museum curation. Just as traditional age and gender distinctions are both problematized and perpetuated in public images and press reports on knitting, we argue that discussion of new forms and new contributors to curation processes may be tempered by broader analysis of the representation of craft within popular culture. 相似文献
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If teachers are to transcend mono-cultural borders and advocate for social justice in liberatory, critical pedagogical practice, then they must understand the relational and causative ethnogenetic layers of experience for students in the global community. Specifically, accommodating religious pluralism is a challenge facing educators today. Immersing themselves and their students in the lives of others through literary narratives provides one immediate and accessible strategy for exploring ethnogenetic experiences and crossing monocultural borders. 相似文献
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Despite the accelerating increase of international students on American campus, there is still a lack of in-depth understanding of how these individuals make sense of their adjustment journey or how they construct meaning concerning their friendship development experience. Existing adjustment research tended to focus primarily on the motivational goals of adjustment or the type of friendship network patterns (e.g., host national network, co-national network, or multi-national network) but did not probe deeper into the narratives of international students’ identity-change adjustment processes or the quality of their friendship networks. Using identity negotiation theory as a guide, this study utilized an interpretive methodology to examine the adjustment narratives and friendship stories of 20 international students. The findings revealed three themes: a variety of intercultural adjustment patterns and with a predominant upward trend or M-shaped adjustment trend, the role of cultural expectancy and personal time sense in intercultural friendship development, and identity shock issues and friendship dialectics. The findings have implications for the study of intercultural adjustment process and friendship development pattern especially concerning the intercultural friendship dialectics of feeling visible versus invisible, communication openness versus closedness, and feeling like a guest versus feeling like an alien. 相似文献
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Won-Chan Lee Stella Y. Kim Jiwon Choi Yujin Kang 《Journal of Educational Measurement》2020,57(2):230-254
This article considers psychometric properties of composite raw scores and transformed scale scores on mixed-format tests that consist of a mixture of multiple-choice and free-response items. Test scores on several mixed-format tests are evaluated with respect to conditional and overall standard errors of measurement, score reliability, and classification consistency and accuracy under three item response theory (IRT) frameworks: unidimensional IRT (UIRT), simple structure multidimensional IRT (SS-MIRT), and bifactor multidimensional IRT (BF-MIRT) models. Illustrative examples are presented using data from three mixed-format exams with various levels of format effects. In general, the two MIRT models produced similar results, while the UIRT model resulted in consistently lower estimates of reliability and classification consistency/accuracy indices compared to the MIRT models. 相似文献
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