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연습조직과 결과지식의 제공방식이 타이밍 과제 학습에 미치는 영향
윤기운,정광님 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.20 No.1
The purpose of the present study was to determine generalizability of context interference effect and reduced KR (knowledge of result) relative frequency on the motor learning. Subject characteristics of this study are sixty students of middle school. All subjects were assigned randomly to one of six groups individually. The task of the experiment used a coincident-timing task that can be viewed as a laboratory analogue of a ball-batting task. The Acquisition and retention data of this study were analyzed separately. The trials to criterion data were analyzed using a 2(high-context interference and low- context interference) X 3(summary KR, faded KR, bandwidth KR) X 4(block) ANOVAs with repeated measures on blocks. The post hoc comparisons of means were performed on significant ANOVA effect using the Students Newman Keuls(SNK) test. The results of experiment were as follows ; During acquisition phase, First, the performance of anticipation timing task revealed differences as a function of degree of context interference. Higher the performance of task was found for block context group than for random context group. Two, the performance of task was not found difference in group as a function of reduced KR relative frequency. Three, The interaction effect of context interference and reduced KR relative frequency on the anticipation timing task was marginally significant. That is, Higher the performance of task for block context-faded KR group than for random context-faded KR group, and Higher the performance of task for random context-3 summary KR group than for random context-bandwidth KR group. During retention phase, Four, the performance of anticipation timing task revealed differences as a function of degree of context interference. Higher the performance of task was found for random context group than for block context group. Five, the performance of anticipation timing task was not found difference in group as a function of reduced KR relative frequency. Six, The interaction effect of context interference and reduced KR relative frequency on the anticipation timing task was not significant. In conclusion, the results of the present study suggest that one major of determinant of anticipation timing task is contextual interference condition in practice schedule.
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