Effects of the intensity of auditory and visual ready signals on simple reaction time.

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Abstract
Mean RT of 16 soldiers to 3 auditory response signals was found to systematically increase with a corresponding increase in the intensity of either auditory or visual ready signals. Results were analyzed according to a decision model of stimulus intensity effects. It is concluded that ready signal intensity influenced the value of the detection criterion. Practice effects and individual differences were also significant determinants of the criterion level. (17 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved)