Children from 4 to 7 years of age were tested in a structured perceptual task in which haptic manipulation was available, but not required. The extent of haptic involvement with the stimulus material and its effect on performance in a perceptual recognition task was then determined. (Author/CB)

The effects of various rates of presentation were studied in combination with massed and spaced, concurrent and nonconcurrent, overt and covert practice modes on film-mediated perceptual performance. Selected values of the independent variables were investigated within a 3x3x2 factorial design, and the experimental treatments were randomly ordered…