Introduction Partnership for a Drug-Free America - Thomas E Backer and Ginna Marston An Experiment in Social Marketing Commentary - Robert T Golembiewski Project STAR - Mary Ann Pentz and Thomas W Valente A Substance-Abuse Prevention Campaign in Kansas City Commentary - Leonard D Goodstein Turkey's Mass Media Family Planning Campaign - D Lawrence Kincaid et al Commentary - David Krackhardt The Stanford Five-City Heart Disease Prevention Project - June A Flora with Darius Jatilus et al Commentary - Peter B Vaill Diffusion and Re-Invention of Project DARE - Everett M Rogers Commentary - Mark Kiefaber The Harvard Alcohol Project - Kathryn C Montgomery Promoting the Designated Driver on Television Commentary - Jean M Bartunek Synthesis