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Lennart Fischer Joseph Baker Rebecca Rienhoff Bernd Strauß Judith Tirp Dirk Büsch 《Journal of sports sciences》2016,34(17):1637-1642
There is little research investigating the maintenance of perceptual-cognitive expertise in general and even less comparing coaches of different ages. The aim of this study was to test for perceptual-cognitive differences between age groups, licence levels, and their interaction. This study investigated differences in skilled performance between young and middle-aged coaches of three different skill levels. Participants performed an accuracy-oriented pattern recall (mean distance in pixel) and a time-oriented flicker test (mean detection time in ms). There were some significant differences between age groups and between skill groups for both tests, but no interactions. For the pattern recall test, the effect sizes were larger for skill level differences, while for the flicker test effects were larger for ageing. These results suggest coaches are able to maintain accuracy skills better than reaction timed tasks. This is in line with findings on speeded performance in general populations, which show declines with age. Moreover, results also support findings on perceptual expertise in skills where accuracy was important. 相似文献
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Fischer Peter Michael Mandl Heinz 《European Journal of Psychology of Education - EJPE》1988,3(2):217-233
The present article gives an outline of the state of art in computer assisted intervention by learning-concomitant differential feedback. Based on the spectrum of possible meanings and interpretations given to the concepts ‘interaction’ and ‘interactive’ this concept is elaborated and illustrated by prototypical theoretical approaches. Based on our own empirical findings arguments are given showing that sophisticated audiovisual interactive new technologies can properly be used even on the small machines available in schools if the content materials and the flow of control given to the learner are carefully designed and based on principles of cognitive science.
相似文献6.
To test how sex biases operate in the screening of candidates for administrative positions, an experimental study was conducted to evaluate the contribution of gender and career pattern effects on candidates' ratings. Faculty from seven universities were asked in a task that was judged to be realistic to evaluate vitae of six candidates for a deanship of a college of arts and sciences. Experimental design permitted alteration of the vitae to change gender and career patterns. No significant difference was found in the ratings assigned to male and female candidates. Career break did have a significant effect; candidates with career breaks received higher ratings on the average than those without career breaks. There was no significant interaction of gender and career break. Three different ratings systems were used, but none interacted with either gender or career break. However, closer examination of screeners' ratings did suggest that career experience was evaluated in different ways for male and female candidates. 相似文献
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Fischer Jessica Praetorius Anna-Katharina Klieme Eckhard 《Educational Assessment, Evaluation and Accountability》2019,31(2):201-220
Educational Assessment, Evaluation and Accountability - Valid cross-country comparisons of student learning and pivotal factors contributing to it, such as teaching quality, offer the possibility... 相似文献
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Max R. Paquette Brian K. Schilling Joshua D. Bravo Shelby A. Peel Yuhua Li Robert J. Townsend 《Research quarterly for exercise and sport》2017,88(1):44-51
Understanding the effects of training in different footwear on sporting performance would be useful to coaches and athletes. Purpose: This study compared the effects of computerized agility training using 3 types of footwear on change-of-direction and balance performance in young adults. Method: Thirty recreationally active young adults (Mage = 22.8 ± 3.1 years; Mheight = 1.71 ± 0.7 m; Mbodymass = 73.4 ± 10.3 kg) were randomly assigned to a 6-week computerized agility training intervention in 1 of 3 footwear groups (n = 10/group): barefoot, minimal footwear, or traditional shoes. Participants had no previous barefoot or minimal-footwear training experience. Dependent variables included change-of-direction test time to completion, Star Excursion Balance Test, and single-leg stability evaluation. Testing was performed at the start of the training program, after 2 weeks, after 4 weeks, and at the end of the training program. Results: No group or time interactions were found for any of the dependent variables. Time main effects were observed for the performance measures of change of direction, Star Excursion, and single-leg-with-eyes-open stability evaluation. Participants improved in all 3 tests as early as 2 weeks into the intervention, with improvements continuing through the entire 6-week intervention. Conclusions: The lack of interaction and footwear effects suggests that agility and balance improvements during foot agility training are independent of footwear in a recreationally active young-adult population. Computerized agility training improves change-of-direction and balance performance within 2 weeks of training implementation. Future studies should consider footwear training effects in different populations, including frail older adults and athletes. 相似文献