This study was designed to consider effects of age, sex, intelligence, lateral usage, and lateral awareness on young children's performance of spatial organization tasks. The sample consisted of 79 Caucasian, middle socioeconomic status nursery school children (mean C.A. 57.80, S.D. 4.47 months), 44 boys and 35 girls. Spatial organization was…

This paper describes seven interrelated studies concerned with children's understanding of sequential actions and with the effects of observing a model on this understanding. A total of 546 elementary and secondary school students served as subjects for the studies. The tasks for all of the studies involved deriving the pattern for a sequence from…