EVALUATING A CLINICAL MEASURE OF REACTION TIME: AN OBSERVATIONAL STUDY1, 2

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Abstract

The present study was an initial evaluation into the reliability and validity of a novel clinical measure of reaction time that consists of a vertical cylinder that is released and caught as quickly as possible. 65 healthy adults performed clinical and computerized reaction time tasks (RTclin and RTcomp) under simple and dual-task conditions. RTclin demonstrated excellent test-retest and interrater reliabilities and was significantly correlated with the criterion standard RTcomp. RTclin increased with increasing age and when tested under dual-task conditions. These preliminary results suggest that RTclin is a reliable and valid measure of reaction time.

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