Testing the generalizability of intervening mechanism theories: Understanding the effects of adolescent drug use prevention interventions

Stewart I. Donaldson, John W. Graham, William B. Hansen

Research output: Contribution to journalArticlepeer-review

158 Scopus citations

Abstract

Outcome research has shown that drug prevention programs based on theories of social influence often prevent the onset of adolescent drug use. However, little is known empirically about the processes through which they have their effects. The purpose of the present study was to evaluate intervening mechanism theories of two program models for preventing the onset of adolescent drug use. Analyses based on a total of 3077 fifth graders participating in the Adolescent Alcohol Prevention Trial revealed that both normative education and resistance training activated the causal processes they targeted. While beliefs about prevalence and acceptability significantly mediated the effects of normative education on subsequent adolescent drug use, resistance skills did not significantly predict subsequent drug use. More impressively, this pattern of results was virtually the same across sex, ethnicity, context (public versus private school students), drugs (alcohol, cigarettes, and marijuana) and levels of risk and was durable across time. These findings strongly suggest that successful social influence-based prevention programs may be driven primarily by their ability to foster social norms that reduce an adolescent's social motivation to begin using alcohol, cigarettes, and marijuana.

Original languageEnglish (US)
Pages (from-to)195-216
Number of pages22
JournalJournal of Behavioral Medicine
Volume17
Issue number2
DOIs
StatePublished - Apr 1 1994

All Science Journal Classification (ASJC) codes

  • Psychology(all)
  • Psychiatry and Mental health

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