Abstract

ABSTRACTBACKGROUNDResearch on the effects of intervention dose on outcomes within adolescent sexual health education programming is lacking. Existing research on dose typically utilizes the number of sessions as a variable. In a school setting, there are scheduling limitations, student absences, and other logistical barriers that have the potential to affect the number of sessions for an intervention and, in turn, impact the efficacy of programming.METHODSThis article evaluates the effectiveness of a school‐based, peer‐led adolescent comprehensive sexual health education program, with a focus on dose. A repeated measures MANOVA was used to evaluate the effects of individual difference variables and intervention variables on changes in participants' knowledge and attitudes across 2 time points. Additionally, paired t‐tests were used to evaluate changes in specific behaviors.RESULTSResults indicated that knowledge improved following the intervention, and specifically larger doses, measured in minutes, of the intervention were associated with larger improvements in knowledge. There were no significant effects related to attitudes or behavioral outcomes.CONCLUSIONSThis study adds to the knowledge base by including analysis of how the dose of intervention may impact youth outcomes. Implications for school health practices and research are discussed.

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