Prior research on problem solving is discussed, followed by a review of research on mental processes, intellectual development, information processing, mental images, and conceptual imagery. Then four intact fourth grade classes of 23 pupils each were assigned to a 2 x 2 factorial design. One factor was the type of instruction (Method A and Method…

This report describes a program for improving students' oral and written communication in mathematics. The target population consisted of third and fourth grade classes in a suburban, middle class community located in a large Midwestern state. The current lack of communication was demonstrated by the results of class surveys, student interviews,…

The Program for Learning in Accordance with Needs (PLAN) is characterized by a completely individualized pattern of organization. It employs multiple textbooks and materials which cross grade level lines, subject matter area lines, and teacher-pupil lines. It places particular emphasis on a high concentration of modern mathematics content. The…

The Education Resources Center (ERC) is a community-based organization that serves students from various elementary schools united by the Phoenix Coalition for Youth and Families (PCYF). The PCYF Project was authorized to organize agencies and schools in the lower socio-economic areas of inner-city Phoenix into one collaborative arrangement. This…

This study of a role change intervention, a type of cross-age tutoring, was conducted as a "true" experiment. Forty tutors from four low-achieving ninth-grade general math classes and 68 tutees from three fourth-grade classes were randomly selected. The classes were in inner city schools in which about ninety percent of the students were black and…