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The results are described of two case studies on the conceptions and classroom practice of two Portuguese physics and chemistry teachers on the role of problem solving in the teaching/learning of science. One of these teachers was a novice and the other had about 20 years of teaching experience. The data were obtained from a questionnaire, a semi-structured interview, classroom observation, personal documents, and stimulated recall. The analysis was carried out with instruments organised into categories and specific indicators. The results showed there to be major differences between the intention behind the new curricula, the teachers' conceptions, and their practice. Some suggestions are put forward on the basis of these results for the initial and ongoing education of secondary education teachers of physics and chemistry in Portugal. 相似文献
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This study investigated the effect of individual differences in state anxiety on tasks tapping the central executive, phonological, and visuo‐spatial components of working memory (WM). It was designed to test Eysenck and Calvo’s processing efficiency theory (PET) which suggests that the phonological and executive components of WM may be important in understanding learning outcomes in anxiety. Typically‐developing children aged 9–10 years were split into high and low state anxiety groups. They performed three WM tasks – forward and backward digit span (assumed to measure phonological and central executive components of WM respectively) and a spatial working memory task (measuring the visuo‐spatial component of WM). Measurements of task accuracy were taken as an indicator of performance outcome or effectiveness. Time taken to complete tasks and a subjective rating of mental effort were taken as measurements of performance efficiency. No differences were found between high and low state anxiety groups in task accuracy for any measure. Children in the high state anxiety group, however, took longer to complete the backward digit span task and reported increased mental effort in the forward digit span task, indicating some effect of anxiety on measures of performance efficiency. 相似文献
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Initial encounters are uncertain, problematic and exploratory in character compared to routine encounters when the rules have
been stabilised. More needs to be known about the strategic resources brought into play by teachers and puplis as they mould
the social and academic, topography of different kinds of classrooms (Beynon, 1985, p. 4). 相似文献
637.
This longitudinal mixed methods study investigates the development of teacher candidates’ professional identity throughout a four-year degree program. Data were analyzed using the following dimensions of professional identity: task orientation, self-efficacy, commitment to teaching, and professional orientation. During practicum, teacher candidates were able to realize the ideals articulated in their teaching philosophies, including a strong focus on student engagement. Their self-efficacy grew as they developed a sense of purpose in teaching and committed to future growth in assessment. Professional orientation flourished in supportive school-based seminars. All participants remain committed to teaching in part because they were able to persevere through challenges. Program features supporting professional identity are discussed. 相似文献
638.
Giles Andrew Barrett Anne Hayes Jim Hollinshead 《Journal of Criminal Justice Education》2019,30(3):463-474
Blogs are seen as an important strand of social networking and a significant way of disseminating research ideas and sharing knowledge and perceptions with new audiences via digital platforms. The use of blogs within off-campus activities, such as study abroad field visits, have the potential to enhance students’ social media skills and confidence about becoming active researchers in public through communicating field research experiences and reflections on what they see, learn, hear, and do. Via a semi-structured questionnaire administered to UK-based university students participating in a recent Criminology program field visit to Slovenia in Europe, we assess the extent to which blogging facilitates student reflective practice on their lived experiences of undertaking research in culturally unfamiliar environments. We show that blogging combined with the whole experience of international fieldwork has a “learning gain” for students exemplified through a willingness to engage in reflective practice, self-awareness, and transferable skills. 相似文献
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