Sixteen children with developmental disabilities and 32 nondisabled children (all between 1.5 and 4.5 years of age) were placed in either a same- or mixed-age grouping of 6 children. Observation six months later showed that children in mixed-age groups took more conversational turns with partners with disabilities than did children in same-age…

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…

Presents the findings of a six-year staff development program for multigrade teachers. Discovers a significant increase in the time on task levels of the pupils and the instructional and classroom management skills of the teachers. Discusses the implications of, and problems with, the study. (MJP)