Theory-driven, mass media interventions prevent smoking among youth. This study examined effects of a media campaign on adolescent smoking cessation. Four matched pairs of media markets in four states were randomized to receive or not receive a 3-year television/radio campaign aimed at adolescent smoking cessation based on social cognitive theory.…

Schoolwide support for higher achievement is essential. Students need a nurturing environment where they feel secure about learning, where the goal is success for every student and where students are confident they will receive mentoring and encouragement to prepare for their futures. Many schools are reinventing themselves to motivate students to…

A bicycle helmet program was evaluated in three middle schools using a multiple baseline across schools design. Two of the three schools had histories of enforcement of helmet use. During baseline many students riding their bikes to and from school did not wear their helmets or wore them incorrectly. A program that consisted of peer data…