Affiliation:
1. Motor Behavior Center, Auburn University
2. Department of Educational Psychology, Northern Illinois University
Abstract
Reaction time (RT) for two three-segment target-striking responses involving changes in direction of movement was studied as a function of differences in their additive index … index of difficulty (A-ID). In one condition the A-ID was 9.96 and in the other, 6.76. For 16 right-handed university students, mean RT was significantly faster for the condition in which the index was 6.76. Movement times were consistent with Fitts' Law. The data support Sidaway, Christina, and Shea's 1988 prediction that for target-striking movements with changes of direction, RT is a function of the cumulative series of movement constraints.
Subject
Sensory Systems,Experimental and Cognitive Psychology
Cited by
7 articles.
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