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K. Ann Renninger Ming Cai Mark C. Lewis Margot M. Adams Katherine L. Ernst 《Educational technology research and development : ETR & D》2011,59(2):229-247
As hypermedia, online teacher professional development (TPD) should ideally support diverse learners to work with online content
effectively because it involves multiple representations and a nonlinear format. Differences among participants in motivation
and learning provide challenges for design. The present study is a use-inspired, mixed-method study of 164 teachers’ motivation
and learning in an unmoderated online workshop. It addresses participants’ demographic and motivational profiles, participation
in this type of workshop (e.g., the frequency, duration, and focus, as well as their work with technology-enhanced, nonroutine
challenge problems and journal assignments), the predictive value of the initial questionnaire, and implications for design.
Findings indicate that while three clusters of motivational profiles could be identified (low interest, low self-efficacy,
and less math; low interest, high self-efficacy, and more math; high interest, high self-efficacy, and more math), whether
the teachers continue to participate appears to be related to the structure and content of the workshop, not just these profiles.
Findings are interpreted as suggesting that the potential of hypermedia lies in its designers’ abilities to support participant
stake by providing for multiple ways into thinking and working with disciplinary content—design that both accommodates and
supports those with differing strengths and needs. Implications for studying motivation and learning online are also discussed. 相似文献
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Initial teacher training courses throughout the United Kingdom at present have been or are being changed in various ways which enlarge the role of schools and make new demands on the school teachers who act as mentors to student teachers in the schools. Despite the size of this change, it can be quite difficult to find evidence about its effects. Edwards (1994) suggested that one reason for this lack of evidence is that there has been little government support for obtaining it. As Edwards points out, however, the government in one part of the United Kingdom, namely Scotland, did ensure that evidence about the mentor teacher idea was obtained before there was a decision about applying the scheme across the country. The decision that it should be nationally applied was reported in this journal's ‘Notes and News’ section in Spring 1995, under the heading of ‘Introduction of a mentor scheme in Scotland’. This paper summarises the main outcomes of the pilot study which informed that decision. The paper concentrates on the pilot's second and final year (Cameron‐Jones and O'Hara 1994). 相似文献
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静水皮艇500 m供能特征 总被引：1，自引：0，他引：1
目的:研究静水皮艇500 m能量供应特征.方法:选取8名青少年女子皮艇运动员(年龄15士1岁,身高172±4 cm,体重65±5kg,训练年限15±10年)在Dansprint皮艇测功仪上进行多级测试和120 s的最大测试,结合测功仪和气体代谢数据,运用累积氧亏法(AOD)进行能量供应比例的计算.结果:静水皮艇500 m有氧供能的比例为59.6％±11.4％,最大心率为179±8 bpm,最高血乳酸为11.3±1.5 mM/L.全力运动的前5～10 s以磷酸原供能为主,第10～40 s期间糖酵解供能占据重要地位,40 s之后影响运动能力的主要为有氧供能.结论:静水皮艇500 m是一个以有氧供能为主的运动项目,国内对此项目供能特征的认识低估了有氧供能的作用;静水皮艇500 m能量供应的时序特征可以作为安排训练、发展不同供能系统的重要生物学基础. 相似文献
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This work has its origins with research into the effects of pedagogy on student engagement and learning outcomes. It summarises the development of self-report and observation instruments for measuring student engagement suitable for early years to senior secondary. The measures are sensitive to the context and experience of learning rather than, as is more common, a general disposition towards learning or school. The measures are distinctive in three ways: (1) they avoid the use of proxies such as attendance which link only weakly to learning outcomes; (2) they are designed to be sensitive to the effect of learning environments and quality of pedagogy on engagement; and (3) they do not assume that the learning environment involves conventional schooling. However, the use of the instruments has also revealed a deep structure to engagement which is a distinctive contribution and links prior research into learner dispositions and interest to the engagement construct. 相似文献
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