Examines the differential effects of spatial density of five-year-old children. Generally, normal children motorically adjusted to a high-density condition to a greater degree than children with behavior problems. Anxious and impulsive children were especially distressed by a high-density condition, compared to normals. (Author/MA)

A discussion of space utilization, material availability and use, and adult-child interactions as factors related to the quality of education found in several preschools. (SDH)

Discusses research on the impact of the physical environment of the classroom on student behavior and attitudes, and offers guidelines for designing informal classrooms. Encourages school personnel concerned with creating positive learning environments to pay more attention to the physical environment. (Author/NRB)