Reviews research on instructional methods designed to operationalize the principal elements of Allport's contact theory of intergroup relations. These cooperative learning methods, which employ ethnically mixed learning groups who are rewarded for learning as a group, have had positive effects on intergroup relations and on the academic…

Presents secondary students' perceptions of cooperative learning (CL) in an attempt to understand how and why CL benefits students affectively and cognitively. After describing the structure of learning and schooling, the article discusses how CL promotes positive interdependence, social skills, work skills, and individual accountability. (SM)