期刊
RESEARCH QUARTERLY FOR EXERCISE AND SPORT
卷 78, 期 2, 页码 40-47出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/02701367.2007.10599402
关键词
guidance hypothesis; knowledge of results; motor learning; throwing
Recent studies (Chiviacowsky & Wulf, 2002, 2005) have shown that learners prefer to receive feedback after they believe they had a good rather than 'poor trial. The present study followed up on this finding and examined whether learning would benefit if individuals received feedback after good relative to Poor trials. Participants practiced a task that required them to throw beanbags at a target with their nondominant arm. Vision was prevented during and after the throws. All participants received knowledge of results (KR) on three trials in each 6-trial block. Mile one group (KR good) received KR for the three most effective trials in each block, another (KR poor) received feedback for the three least effective trials in each block. There were no group differences in practice. However, the KR good group showed learning advantages on a delayed retention test (without KR). These results demonstrated that learning is facilitated if feedback is provided after good rather than poor trials. The findings are interpreted as evidence for a motivational function of feedback.
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