Abilities at different stages of practice in rotary pursuit performance.

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Abstract
"Extended practice was given 224 Ss on the Rotary Pursuit aparatus. These same Ss also received a battery of 17 reference ability measures. The intercorrelations were obtained among scores at eight stages of proficiency on the practice task together with the scores on the reference measures and these were subjected to factor analysis . . ‥ the main common factor identifiable from the reference tests and contributing to individual differences in RP performance is the factor previously called Control Precision." Other findings concerning factors relevant at various stages of practice are discussed. (PsycINFO Database Record (c) 2006 APA, all rights reserved)