In a randomized test of mixed-mode data collection strategies, 386 participants in the Raising Healthy Children (RHC) Project were either (a) asked to complete a survey via the Internet and later offered the opportunity to complete the survey in person or (b) first offered an in-person survey,...

Communities That Care (CTC) is a prevention system designed to reduce adolescent substance use and delinquency through the selection of effective preventive interventions tailored to a community's specific profile of risk and protection. A community-randomized trial of CTC, the Community Youth...

Comprehensive community interventions pose several challenges to rigorous evaluation design. This article summarizes the recommendations for a feasible and rigorous design that were formulated by a 1991 conference on the evaluation of comprehensive community interventions. One such comprehensive...

This article assesses the validity and reliability of the approach used to measure community mo bilization in the Seattle Minority Youth Health Project (MYHealth), a neighborhood-based pro gram to prevent drug use, violence, teen pregnancy, and sexually transmitted diseases (STDs). Two...

Risk and protective factors predictive of adolescent problem behaviors such as substance abuse and delinquency are promising targets for preventive intervention. Community planners should assess and target risk and protective factors when designing prevention programs. This study describes the...