The purpose of this study was to investigate the effects of a transition to homogenous ability grouping between secondary grades on MAP test scores in an international private school in Dubai. Participants were students who have been enrolled at PISD for two years for grades 6, 7, 8, or 9 from 2020-2022 and who have presented MAP test scores both…

A study compared the performance of heterogeneous and homogeneous instructional groups, and of individuals within these groups, when group members all received the same grade. High-ability students obtained lower grades in heterogeneous groups than in homogeneous groups, with the reverse true for lower-ability students. Lower-ability students…

Two studies explored the experience and performance of students at Williams College in three-person groups that were homogeneous or heterogeneous in rated academic ability. In accord with hypotheses from Festinger's (1954) social comparison theory, students in academically homogeneous groups had more positive experiences and performed better on…

Many secondary teachers perceive a wide range of studennt ability levels within a class as a constraint on effective teaching and classroom management. This study was conducted to determine which levels of teaching effectiveness, which learning environments, and which classroom management problems were associated with very heterogeneous classes,…

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…