Reinterprets Jeannie R. Aschkenasy and Richard D. Odom's findings (Journal of Experimental Child Psychology; v34 n3 Dec 1982) on perceptual and cognitive development. The increasing dimensionalization of stimulus relations rather than the increasing detectability or influence of stimulus differences is argued. (BJD)

Two studies explored the hypothesis that young children perceive integrally some stimuli that older children perceive separably. In both experiments, kindergarten, second- and fifth-grade children were required to classify sets of stimuli that varied in size and brightness. (SB)