Effects of chromatic targets on a throwing task for subjects referred for learning disability.

The purpose of the study was to determine the effects of chromatic and achromatic targets on performing a throwing task for subjects referred for learning disability. 20 boys referred to the Perceptual Motor Development Center practiced under achromatic or chromatic target conditions. After 5 practice bouts, each subject immediately performed on the opposite condition. When subjects were aware of chromatic and achromatic target alternatives, chromatic targets facilitated performance.