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Many recent studies have stressed the importance of teacher candidates’ (TCs) self-regulated learning (SRL) skills for successful learning. Because of the promising consequences of SRL for academic performance, teacher educators (TEs) are encouraged to increase TCs’ SRL opportunities in educational programs. Because of the difficulty and complexity for TEs to successfully guide TCs towards SRL, the present study contributes to the discussion how to best facilitate TEs in finding a balance between student- and teacher-control. For this purpose, a conceptual model is presented. The model draws upon literature related to the perspective of the learner, the teacher and the learning task. Besides the context of teacher education, the model is beneficial for higher education as well as teaching and teacher professionalization. It will help instructors provide a more balanced approach between teacher- and student-controlled learning, and support students develop essential SRL skills.  相似文献   
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Despite that benefits of feedback in student learning are reported in much research, little has been reported regarding the use of feedback from teachers to other teachers—a key tool in professional development. In this study, we triangulated data from videotaped peer coaching sessions, questionnaires, and interviews regarding 12 primary school teachers in four peer groups in the Netherlands. We focused our research on two issues: the interplay of observed feedback dimensions and elements and perceptions of that feedback. Feedback dimensions were generally effective and the influence of the elements on the dimensions mostly aligned with the expectations. Teachers generally perceived feedback as effective. Moreover, effective observed feedback was perceived as effective. Findings indicate that peer coaches should stimulate coached teachers to become goal directed, specific, detailed, and neutral (neither positive nor negative) by using feedback elements so as to optimize feedback processes.  相似文献   
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Many recent studies have stressed the importance of students’ self-regulated learning (SRL) skills for successful learning. Consequently, primary teacher educators have been encouraged by policy makers to increase their students’ SRL opportunities in educational pre-service programs. However, primary teacher educators often find it difficult to implement these innovations in their teaching. In the present study, a literature search concerning SRL was conducted. Based on this search, seven process-oriented design principles were formulated, resulting in an SRL model for primary teacher education. This SRL model provides more insight into relevant SRL aspects and can support SRL implementation in pre-service teacher education.  相似文献   
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The aim of this study was to establish differences in intra-cyclic horizontal velocity variation of the body's centre of mass in breaststroke swimmers with flat and undulating styles. Vertical eel-like body waving and trunk rotations were measured to distinguish styles. To reconstruct trunk extension and kyphosis in the poorly visible zone close to the water surface, a semi-automated video-analysis system was developed. From 45 internationallevel swimmers examined, two groups of women and two groups of men were identified, those using the most undulating and those using the flattest styles. Among the men with the flattest style, the maximum and minimum horizontal velocity of the body's centre of mass differed by 76% from the mean swimming velocity; among the women with the most undulating style, the figure was 53%. In the most undulating style, less horizontal velocity variation of the body's centre of mass could be explained by movements of the body parts above the water surface, creating a transfer of momentum: a quick backward upper trunk rotation generates resistance and a quick forward shoulder girdle and upper arm movement, followed by a quick forward upper trunk and head rotation, generates propulsion. In addition, during an upward leg kick, some swimmers generated propulsion similar to that seen in eels.  相似文献   
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The basic principles underlying the design of a velocimeter based on an unwinding wire, for use in athletics research, are discussed. It is shown by theoretical analysis that, in order to avoid runaway effects, the tension on the wire should be either high or low but not of intermediate strength. The low tension regime is shown to be theoretically the most favourable as it combines high accuracy of speed measurements in decelerated motion with insensitivity to resonance oscillations of the wire. Practical considerations concerning the ruggedness of the apparatus, however, favour the high tension regime. A modern apparatus incorporating microprocessors and working with thin nylon wire stretched by a force of the order of 1 N, i.e. in the high tension regime, has been constructed and tested. The test results show that the velocity of decelerated motions (up to decelerations of the order of 10 m s-2) can be faithfully recorded in the velocity range 0-15 m s-1. The relative error for the measurement of constant speed up to 15 m s-1 is about one in a thousand, which is very small and practically unattainable by other methods. An application to the study of the long jump is demonstrated and validated by the use of film analysis.  相似文献   
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