Cognitive and behavioral measures were administered to heterogeneous and homogeneous Mexican-American and Anglo groups at the beginning and end of the prekindergarten year. The results suggest that the learning environments of both homogeneous and heterogeneous groups have a facilitating influence. (SB)

Discusses rough-and-tumble (R&T) play and misconceptions about its role in the development of young children. Contrasts R&T with aggressive behaviors. Discusses the educational benefits of R&T and offers recommendations for incorporating it into young children's curricula. (Author/RWB)

Reviews research on the early development of symbolic play. Suggests that symbolic play begins to emerge near the beginning of the child's second year and continues to play an important role in his or her development throughout the preschool years. Proposes basic techniques caregivers can use to facilitate and promote the development of symbolic…