Purpose: To be effective, evidence-based programs should be delivered as prescribed. This suggests that adaptations that deviate from intervention goals may limit a program's effectiveness. This study aims to examine the impact that number and quality of adaptations have on substance use outcomes. Design/methodology/approach: The authors examined…

The purpose of this study was to extend the literature in both substance use implementation and persuasive health communication by examining the extent to which students' need for cognition and impulsive decision-making moderated the relationship between teachers' classroom communication behavior and program outcomes in an evidence-based middle…

Research-based substance use prevention curricula typically yield small effects when implemented by school teachers under real-world conditions. Using a randomized controlled trial, the authors examined whether expert coaching improves the effectiveness of the All Stars prevention curriculum. Although a positive effect on students' cigarette use…

Examined the relationship between students' perceptions of a problem behavior prevention program, All Stars, and changes in program variables-bonding; normative beliefs; ideals; and commitment. Three factors-Program Enjoyment, Student Engagement, and Teacher Relationship-were used to predict changes in four variables. Results indicate Student…

There is now ample evidence that teachers tend to make substantial modifications to both the prescribed content and methods of the curricula they administer, and that such modifications are likely to attenuate curricula effects. We examine the fidelity with which teachers implement "Protecting You, Protecting Me," an underage alcohol use…

Prevention research continues to focus on school-based substance use programs aimed at adolescents. These programs are designed to reduce substance use and risk behavior by targeting key mediators, such as normative beliefs, which in turn reduce substance use. All Stars is a newly developed program that was recently evaluated in a randomized field…