Tactual Performance Test Trials: Internal Consistency Reliability Using the Gilmer-Feldt Coefficient

Abstract

Internal consistency reliabilities using the Gilmer-Feldt coefficient were calculated for the Tactual Performance Test for the Preferred Hand (n=298), Nonpreferred Hand (n = 302), and Both Hands (n = 314) trials, and total time. Reliabilities were reported for the total sample and three groups: 118 normal volunteers, 95 inpatient alcoholics, and 103 undiagnosed patients sent for neuropsychological assessment. The reliabilities ranged from .5584 to .8953.

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