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141.
David H. Jonassen John P. Campbell Mark E. Davidson 《Educational technology research and development : ETR & D》1994,42(2):31-39
Mark E. Davidson is deceased. 相似文献
142.
Maria J. Grant 《Health information and libraries journal》2017,34(4):267-267
In this final issue of 2017, we are in a reflective mood at the Health Information and Libraries Journal as we say goodbye to Audrey Marshall, Regular Feature Editor of Dissertations into Practice. While Audrey departs, Dissertations into Practice is now a firm fixture of the Health Information and Libraries Journal; there remains no better place for students to see their writing, possibly for the first time, in print. This issue also provides an opportunity to review the breadth of health information writing through the editorials of past Virtual Issues of the Health Information and Libraries Journal, all still available, free of charge, via the journal's home page at http://wileyonlinelibrary.com/journal/hilj . 相似文献
143.
Greig R.M. Logan Scott Duncan Nigel K. Harris Erica A. Hinckson Grant Schofield 《Journal of sports sciences》2016,34(21):2047-2053
This study investigated the effects of epoch length and cut point selection on adolescent physical activity intensity quantification using vertical axis and vector magnitude (VM) measurement with the ActiGraph GT3X+ accelerometer. Four hundred and nine adolescents (211 males; 198 females) aged 12–16 years of age wore accelerometers during waking hours. The GT3X+ acceleration counts were reintegrated into 1, 5, 15, 30 and 60 s epoch lengths for both vertical axis and VM counts. One cut point was applied to vertical axis counts and three different cut points were applied to VM counts for each epoch length. Significant differences (P < 0.01) in mean total counts per day were observed between vertical axis and VM counts, and between epoch lengths for VM only. Differences in physical activity levels were observed between vertical and VM cut points, and between epoch lengths across all activity intensities. Our findings illustrate the magnitude of differences in physical activity outcomes that occur between axis measurement, cut points and epoch length. The magnitude of difference across epoch length must be considered in the interpretation of accelerometer data and seen as a confounding variable when comparing physical activity levels between studies. 相似文献
144.
Scott J. Dankel Kevin T. Mattocks J. Grant Mouser Samuel L. Buckner Matthew B. Jessee 《Journal of sports sciences》2018,36(13):1485-1491
A number of reviews have concluded that resistance training is beneficial for improving sports performance despite the inclusion of studies which do not actually measure a performance outcome (i.e. a timed trial). The purpose of this review was to examine only those studies which would allow us to infer the benefits of resistance training on improving time trial performance. Of the nine studies meeting all inclusion criteria only three demonstrated an additive effect of adding resistance training to the current activity-specific training being performed. These three studies demonstrated improvements in either 5 or 10 km time trial among recreationally skilled athletes (i.e. non-elite level time). Previous reviews have included studies which did not include: (1) performance outcomes; (2) control groups; and/or (3) equal volumes of activity-specific exercise among the resistance training and control groups. Presently, there is little evidence that adding resistance exercise to a sport-specific training program will augment time trial performance. While it is difficult to perform such long-term studies assessing the effects of resistance training among time trial athletes, the statement that resistance training is efficacious for improving time trial performance should be tempered until sufficient evidence is presented to support such claims. 相似文献
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Grant D. Morse 《Journal of Experimental Education》2013,81(1):38-40
The purpose of the investigation was to develop a reliable category system for first-hand systematic observation of teacher behaviors and to determine relationships between observed behaviors and measures of personality.A category system was developed in an inductive manner. Teacher behaviors were encoded from video tape recordings onto a data record using 10-second time intervals. Video tape recordings of eight biology teachers were analyzed. The Guilford-Zimmerman Temperament Survey was administered. The behavioral and personality data were correlated using nonparametric statistics. The instrument met the stated definition of a reliable category system. Significant positive correlations were found between the behavioral and personality data, but there were less than one would expect to find by chance alone. 相似文献
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J. F. C. Davidson 《Educational Media International》2013,50(4):4-11
In contrast to the sultry weather of last year's Assembly in Lisbon, autumnal sunshine and a nip in the air greeted the large number of delegates to the 19th General Assembly held in Stockholm from 22–26 September, 1969. The last time the Conference was held in Stockholm was June 1957. Those attending this year were keen to see and hear of the rapid advances made in equipment supply and teaching methods in the twelve years' interval. They were not disappointed. 相似文献