The graded self-contained classrooom can be a negative influence on student and teacher development. Teachers and students should work together in collaborative relationships and in environments featuring nongradedness, multiaged pupil groups, and flexible shared space. (MD)

The effects of controversy and concurrence seeking and participation in age-homogeneous and age-heterogeneous cooperative learning groups were compared on achievement, achievement motivation, perspective-taking accuracy, and interpersonal attraction. In addition, the interaction among students (N=112 fourth-, fifth-, and sixth-graders) within the…