Summarizes findings of a national study of 27 programs and concludes that educational programs which are experientially based can have a significant positive impact on the social, psychological, and intellectual development of adolescents. (Author/GC)

Patterns of cognitive, affective, and social growth of elementary school children are described and the school and home variables which influence such growth are identified in this longitudinal study. This final report presents the final instruments and the interpretive data associated with them. The study permits the tracing of developmental…