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101.
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The pervasiveness of mobile devices in families’ homes has dramatically changed the physical and temporal arrangement of co-viewing media content; the representative image of American families seated around a TV set is an anachronism. But understanding and describing contemporary co-participation arrangements around digital media is challenging because of the mobile nature of these activities. As researchers, our greatest challenge is to observe people's digital media use that is increasingly ‘on-the-move’ in an effort to understand the significance and possibilities these devices have in family life, learning, and engagement in and across different settings. This article describes an innovative study design for understanding how mobile technologies influence the ways in which families learn together. We analyze the movement of digital media practices, where they are located, and how digital co-participation within families is distributed across time and space.  相似文献   
103.
Researchers have argued teachers and students are not developing connected meanings for function inverse, thus calling for a closer examination of teachers’ and students’ inverse function meanings. Responding to this call, we characterize 25 pre-service teachers’ inverse function meanings as inferred from our analysis of clinical interviews. After summarizing relevant research, we describe the methodology and theoretical framework we used to interpret the pre-service teachers’ activities. We then present data highlighting the techniques the pre-service teachers used when responding to tasks that involved analytical and graphical representations of functions and inverse functions in both decontextualized and contextualized situations and discuss our inferences of their meanings based on their activities. We conclude with implications for the teaching and learning of inverse function and areas for future research.  相似文献   
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The major purpose of this study was to identify and assess indexing coverage of core journals in cytotechnology. It was part of a larger project sponsored by the Nursing and Allied Health Resources Section of the Medical Library Association to map the literature of allied health. Three representative journals in cytotechnology were selected and subjected to citation analysis to determine what journals, other publication types, and years were cited and how often. Bradford's Law of Scattering was applied to the resulting list of cited journals to identify core titles in the discipline, and five indexes were searched to assess coverage of these core titles. Results indicated that the cytotechnology journal literature had a small core but wide dispersion: one third of the 21,021 journal citations appeared in only 3 titles; another third appeared in an additional 26 titles; the remaining third were scattered in 1,069 different titles. Science Citation Index Expanded rated highest in indexing coverage of the core titles, followed by MEDLINE, EMBASE/Excerpta Medica, HealthSTAR, and Cumulative Index to Nursing and Allied Health Literature (CINAHL). The study's results also showed that journals were the predominantly cited format and that citing authors relied strongly on more recent literature.  相似文献   
106.
Entry into higher education (HE) is recognised as a challenging time for undergraduates as they negotiate the norms and practices of new academic communities and foster relationships with peers and academics. Given the significance of this time period, our University has piloted a new four-week module that immerses students in their discipline and provides them with the academic skills and networks to support them through this period and beyond. Here we report a comprehensive evaluation examining academic and student experience of this immersive module. We explore its impact on essential aspects of the transition experience e.g. social integration, academic literacies and the sense of preparation for HE. Whilst this new approach did have positive impacts on students’ sense of integration, questions were raised around the extent to which it matched or even raised expectations, and the extent to which this prepared students for the rest of their studies.  相似文献   
107.
This study aimed to test the validity of a non-motorised treadmill (NMT) for the measurement of self-paced overground endurance running performance. Ten male runners performed randomised 5-km running time trials on a NMT and an outdoor athletics track. A range of physiological and perceptual responses was measured, and foot strike was classified subjectively. Performance time was strongly correlated (= 0.82, ICC = 0.86) between running modes, despite running time being significantly longer on the NMT (1264 ± 124 s vs. 1536 ± 130 s for overground and NMT, respectively; < 0.001). End blood lactate concentration and rating of perceived exertion were significantly higher on the NMT compared to overground. Integrated electromyography was significantly lower on the NMT for three muscles (< 0.05), and mean stride rate was also significantly lower on the NMT (= 0.04). Cardiorespiratory responses of heart rate, oxygen uptake and expired air volume demonstrated strong correlations (= 0.68–0.96, ICC = 0.75–0.97) and no statistical differences (> 0.05). Runners were consistently slower on the NMT, and as such it should not be used to measure performance over a specific distance. However, the strong correlations suggest that superior overground performance was reflected in relative terms on the NMT, and therefore, it is a valid tool for the assessment of endurance running performance in the laboratory.  相似文献   
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Both the available experimental evidence and recent reviews are unclear regarding the effectiveness of student ratings feedback for instructional improvement. Provision of feedback has not consistently produced improvement. Feedback accompanied by consultation has resulted in more consistent instructor improvement. However, the literature on interventions for instructional improvements has failed to address the longitudinal nature of improvement and development. The present study examined follow-up data over a ten-year period on instructors who had participated in a quasi-experimental study of the effectiveness of consultation and feedback conducted in 1971 and 1972. The results obtained indicate that instructors who had originally received feedback with consultation maintained higher student ratings and used instructional resources more during follow-up than instructors who originally received feedback only. This result must be tempered by several interpretative considerations regarding sample size, power, and experimental control. A number of concerns were also expressed regarding the adequacy of the current literature for describing a developmental event, instructional improvement, through the use of short-term studies. Recommendations are made for increased durations of study and alternative tactics of experimental design and control.  相似文献   
110.
采用问卷调查法,调查了一万多名美国和中国上海的四年级小学生的数学学习情况,通过卡方检验分析了两国小学生在数学学习的自我评价、数学学习兴趣、课堂活动内容、课堂学习方式和态度等方面的差异。分析这些差异产生的原因和影响,并讨论了我国数学基础教育应采取的对策。  相似文献   
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