Five experiments were performed in which nursery school children were taught to identify persons, animals, or objects in pictures that took the nominative, objective, or locative case in sentences about the pictures. Inferences are made about categories in children's thinking including animate, and actor and agent. (CTM)

The purpose of this study was to examine the effects of varying the semantic content of active and passive sentences along a dimension of "personalness" on the comprehension of those sentences by preschool age children. The study focuses on a current linguistic controversy dealing with the relative adequacy of syntax-based and…