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DP MacKinnon, CA Johnson, MA Pentz… - Health …, 1991 - psycnet.apa.org

Mediating mechanisms in a school-based drug prevention program: first-year effects of the Midwestern Prevention Project.

education interventions

Johnson, MacKinnon

GSID: krahJd8sIccJ

Excerpt

Studied the effects of a drug prevention program based on the mediation of social influences in which 5,008 6th and 7th graders from 42 middle schools were measured at baseline and …

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