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Adolescent Pregnancy Prevention Programs - Josefina J Card, James L Peterson and Catherine G Greeno Design, Monitoring, and Evaluation Small Group Sex Education at School - B Helen Thomas et al The McMaster Teen Program Enhancing Social and Cognitive Skills - Richard P Barth et al An Information and Skills Approach for Younger Teens - Marion Howard and Judith A McCabe Postponing Sexual Involvement Program A Comprehensive Age-Phased Approach - Heather Johnston Nicholson and Leticia T Postrado Girls Incorporated Life Options and Community Service - Susan Philliber and Joseph P Allen Teen Outreach Program School-Linked Reproductive Health Services - Laurie Schwab Zabin The Johns Hopkins Program School-Based Clinics - Douglas Kirby and Cindy Waszak A Health Beliefs Field Experiment - Marvin Eisen and Gail L Zellman Teen Talk Comparing Adolescent Pregnancy Prevention Programs - Brent C Miller and Roberta L Paikoff Methods and Results
Roosa et al. (Sun,) studied this question.