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April R. Trees 《Learning, Media and Technology》2007,32(1):21-40
To explore what social and educational infrastructure is needed to support classroom use of student response systems (Roschelle et al., 2004), this study investigated the ways in which student characteristics and course design choices were related to students’ assessments of the contribution of clicker use to their learning and involvement in the classroom. Survey responses of over 1500 undergraduates enrolled in seven large enrollment ‘clicker courses’ offered by three university departments are analyzed. A number of factors contribute to students’ positive perception of clickers: a desire to be involved and engaged, a view that traditional lecture styles are not best, valuing of feedback, class standing, previous experience with lecture courses, anticipated course performance, and amount of clicker use in the classroom. These results underscore the importance of considering social and communication elements of the classroom when adopting student response technology. 相似文献
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Robert Lee Chartrand James W. Norentz Jr. Rosario Joseph Tosiello James E. Brittain Harry L. Van Trees Dave Ingram 《Communication Booknotes Quarterly》2013,44(8):168-170
Robert Lee Chartrand and James W. Norentz, Jr., eds. Information Technology Serving, Society (Oxford and New York: Pergamon Press, 1979—E12.50/$25.00) Rosario Joseph Tosiello, The Birth and Early Years of the Bell Telephone System: 1376-1880 (New York: Aicno Press, 1979—$32.00) James E. Brittain, ed. Turning Points in American Electrical History (New York: Institute of Electrical and Electronic Engineers Press [dist. by John Wiley], 1977– $20.00, paper) Harry L. Van Trees, ed. Satellite Communications (New York: IEEE/John Wiley, 1979—$27.00, paper with a hardback edition available) Dave Ingram's Oscar: The Ham Radio Satellites (Blue Ridge Summit, Pa: Tab Books, 1979—$8.95/4.95) Clayton Hallmark's How to Repair Old-Time Radios (Blue Ridge Summit, Pa.: Tab Books, 1979—$12.95/7.95) Telecommunications Law Reform (American Enterprise Institute for Public Policy Research, 1150 17th St. NW, Washington, D.C. 20036 —price not given, paper) 相似文献
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This article aims to provide an overview of the current state of research on the relationship between loneliness and physical activity (PA). A systematic literature search was conducted to identify all empirical studies assessing this relationship. A total of 37 studies stemming from 36 publications met the inclusion criteria. Study analyses comprised an individual consideration of each study and a systematic summarization of the studies. The majority of eligible studies focused on adolescent or elderly populations. Direct negative associations between PA and loneliness were found in half of the 24 cross-sectional studies. Of the seven identified longitudinal studies, one found a direct negative influence of PA on loneliness. Four longitudinal studies found evidence for a reverse influence, namely of loneliness on PA. Five intervention studies found PA to reduce loneliness. Two of the cross-sectional studies and one of the intervention studies found social support and social competence to moderate or to mediate the relationship between PA and loneliness. The findings indicate that PA can contribute to a decrease in loneliness. However, studies also indicate that any beneficial effect is dependent upon the quality of relationships present during physical activity. Additionally, loneliness itself might reduce the probability of being physically active. 相似文献
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