Effects of Practice upon Individual Differences and Intra-Variability in a Motor Skill

Carron, Albert V.; Leavitt, Jack

doi:10.1080/10671188.1968.10616566

Cited by 2 publications

(2 citation statements)

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“…Further examination of these measures of variability in studies involving the stabilometer (5,17) and pursuit rotor ( 1 ) reveal inclinations in the variability curves which reflect the inclinations of the performance curves, i.e., rising for the pursuit rotor and descending for the stabilometer.…”

Section: Resultsmentioning

confidence: 99%

“…Data for this study were collected under a grant from the Research Committee, University of California, Berkeley. Henry (10,11) and his associates (1,5,16,17) have emphasized the use of adjacent trial correlation coefficients to estimate the true score variance from the average total variance of the adjacent trials. The intraindividual variability for the adjacent trials is then calculated by the subtraction of the estimated true score variance from the average total variance.…”

Section: Review Of Literaturementioning

confidence: 99%

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Statistical Models for Inter- and Intraindividual Variability

Eckert¹

1974

Research Quarterly. American Alliance for Health, Physical Educ

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Section: Resultsmentioning

confidence: 99%

Section: Review Of Literaturementioning

confidence: 99%

Statistical Models for Inter- and Intraindividual Variability

Eckert¹

1974

Research Quarterly. American Alliance for Health, Physical Educ

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Individual Differences in Two Motor Learning Tasks under Massed Practice

Carron

Leavitt

1968

Percept Mot Skills

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50 boys, age 14 to 15 yr., were tested on a tracking task (pursuit rotor) and a large-muscle motor-learning task (stabilometer) to examine the effect of relatively massed practice upon individual differences and intra-individual variation. The practice schedule, which was identical for both tasks, called for 20 50-sec. practice trials with a 10-sec. intertrial rest period. A 5-min. rest was also interpolated every fourth trial. The greatest change in individual differences and intra-individual variation in both tasks occurred during the first 4 practice trials and in the 5-min. interpolated rest which immediately followed. Additional practice and interpolated rest over the remaining 15 practice trials had little additional effect upon either of the sources of variation. The changes in the sources of variation did not, with the exception of intra-individual variability in the stabilometer, appear to be proportional to changes in the mean.

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Effects of Practice upon Individual Differences and Intra-Variability in a Motor Skill

Cited by 2 publications

References 3 publications

Statistical Models for Inter- and Intraindividual Variability

Statistical Models for Inter- and Intraindividual Variability

Individual Differences in Two Motor Learning Tasks under Massed Practice

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