Conceptualizing the Influence of Social Agents of Behavior Change A Meta-Analysis of the Effectiveness of HIV-Prevention Interventionists for Different Groups. [article].
A meta-analysis of 166 HIV-prevention interventions tested theoretical predictions about the effects of experts, lay community members, and similar and dissimilar others, as agents of change. In general--, expert interventionists produced greater behavior change than lay community members, and the...
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