This report describes a program for increasing adolescent visualization and understanding of geometry problems. The targeted population consisted of high school students in two geometry classes in a growing middle-class community. The inability of students to adequately visualize and understand geometry problems was documented through teacher-made…

This report describes a program for implementing specific cooperative grouping patterns in order to increase students' academic performance. The targeted population consisted of junior high and high school students located in the northwest and southwest suburbs of a large metropolitan area. An instructional strategy in which both like-gender and…