Field tests on an interpersonal skills instructional program, the Heartsmart Adventures, were conducted for the formative and summative evaluation in 14 classrooms in 7 schools of 394 students in grade 4 classes. The results indicate that the Heartsmart program is likely to provide an appealing, educationally relevant and worthwhile experience to…

This chapter describes the implementation and lessons learned from the conduct of three field experiments in education. All three evaluation designs used randomized assignment. Results showed even under very adverse and unstable conditions, randomized designs can be maintained. (LMO)

High intercommunity variation in adolescent smoking precluded detection of effects of mass media campaigns on initiation of cigarette smoking in a study with a final sample of 1,637 adolescent subjects. Implications for studies using the individual as unit of analysis and the community as unit of randomization are discussed. (SLD)