This paper reports on an experiment designed to collect data on children's perception and use of semantic attributes. Forty-five children ranging in age from 2 years 8 months to 6 years were given a picture test involving judgment of similarities between objects. The test consisted of 47 groups of pictures; each group contained a stimulus or a…

Presented is a developmental concept of perceptual processing as related to learning disabilities in young children. Learning is seen to involve the interaction of cognitive developmental stages at the preverbal, verbal, and postverbal levels with learning disabilities seen to be due to perceptual handicaps. A model is offered which posits a…