A method to evaluate performance reliability of individual subjects in laboratory research applied to work settings.
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1978-10-01
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NTL Classification:NTL-AVIATION-AVIATION
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Abstract:This report presents a method that may be used to evaluate the reliability of performance of individual subjects, particularly in applied laboratory research. The method is based on analysis of variance of a tasks-by-subjects data matrix, with all scores standardized. If all tasks are parallel, then the average correlation among tasks is an inverse function of the within-subject variance, which may be computed for any individual subject or group of subjects. The formula for determining the relationship between within-subject variance and average correlation is developed and a method of testing the reliability of individual subjects against the general level of reliability is presented. Possible applications of the method are noted.
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