The Effects of Modified Jigsaw on Achievement, Classroom Social Climate, and Self-Esteem in High-School Science Classes

Cooperative learning in schools is not a new idea. Deutsch’s theorizing, published in 1949, about cooperation and competition has become a foundation for much of the development and research on cooperation in education (Sharan, Hare, Webb, & Hertz-Lazarowitz, 1980; Slavin, 1983).