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  • Title: Testing specificity and guidance hypotheses by manipulating relative frequency of KR scheduling in motor skill acquisition.
    Author: Goodwin JE, Eckerson JM, Voll CA.
    Journal: Percept Mot Skills; 2001 Dec; 93(3):819-24. PubMed ID: 11806606.
    Abstract:
    This investigation tested predictions of specificity and guidance hypotheses by manipulating relative frequency of knowledge of results scheduling using a shuffleboard task. Participants were assigned to either a 100%-KR, three 50%-KR conditions (Constant, Fade, Reverse), or 00%-KR condition. Based on predictions of the specificity hypothesis, it was expected the 00%-KR condition would perform the best on a no-KR retention test. It was also expected the 100%-KR condition would perform poorly on a no-KR retention test based on predictions of the guidance hypothesis. Analysis for 55 men's and 55 women's retention did not support predictions of the specificity hypothesis and provided partial support for the guidance hypothesis.
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