Describes study that compared the achievement of high and low ability eighth-grade students working cooperatively during computer-based instruction. Homogeneous and heterogeneous grouping based on ability are explained, posttest results are analyzed, and implications for instructional design are discussed. (23 references) (Author/LRW)

A self-report inventory was compared with a situational test as a predictor of the verbal behavior of individual members of small interpersonal skills training groups. As hypothesized, the situational test was a better predictor than was the self-report inventory. A powerful social conformity effect may have operated in both the situational test…

To investigate the effect of heterogeneous and homogeneous instructional groupings used in a middle school eighth grade on selected student behaviors, 120 students were assigned to a heterogeneous group and 120 students to a homogeneous group based on several factors. The heterogeneous group was comprised of all students enrolled in the school…