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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국전문물리치료학회 한국전문물리치료학회지 한국전문물리치료학회지 제4권 제1호
발행연도
1997.1
수록면
48 - 62 (15page)

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초록· 키워드

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Several studies have evaluated the effects of types of relative frequency and delay interval ofknowledge of resultsO<R) on IIlOtor skill learning independently. The purpose of this study wasto detennine more effective types of KR relative frequency and KR delay interval for IIlOtorlearning. Forty-six healthy subjects (15 female, 31 male) with no previous experience with this experiment participated. the subjects ranged in age from 20 to 29 years (mean=23.9, SD=0.474), All subjects were assigned to one of four groups: a high-instant group, a high-delaygroup, a low-instant group, and a low-delay group. During the acquisition phase, subjects practiced movements to a target (400 mm) with either a high (83%) or low (33%) KR relative frequency, and with either an instantaneous or delayed (after 8s) KR. Four groups wereevaluated on retention (after 3min and 24hr) and transfer (450 mm) tests. The major findings were as follows: (1) there were no between-group differences in acquisition and short-tennretention (p > 0,(6), (2) a low (33%) KR relative frequency during practice was as effective for learning as measured by both long-tenn retention and transfer tests, compared with high (83%)KR practice conditions (p<O.05), (3) delayed (8s) KR enhanced learning as measured by both llong-term retention and transfer tests, compared with instantaneous KR practice conditions (p <0.05), and (4) there were no interactions between KR relative frequency and KR delay intervalduring acquisition, retention, and transfer phases. The results suggest that relatively lessfrequent and delayed KR are more effective types for motor leaming tl1an more frequent andinstantaneous KR.

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