Research to Investigate Factors Affecting Multiple-task Psychomotor Performance

Oscar S. Adams · Raphael B. Levine · W. Dean Chiles

Jan. 1959 · Wright Air Development Center, Air Research and Development Command, United States Air Force

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"Fifteen male subjects participated in an experiment designed to study: (a) the 24-hour test-retest reliability and inter-correlation of a battery of seven performance tasks; (b) the effects of performing simultaneously various combinations of physically compatible tasks; (c) the 24-hour test-retest reliability and inter-correlation of a battery of four psychophysiological variables; and (d) the relation of psychophysiological criterion measures to performance criteria and to conditions of task presentation. The results indicate moderately high reliability and sensitivity for five of the performance task criteria, but a negligible amount of inter-correlation. While no significant correlation was obtained between performance scores and measures of psychophysiological activity, several of the psychophysiological measures showed significant reliability, inter-correlation, and sensitivity to conditions of rest and performance activity."--Abstract.