Estimating Mediated Effects in Prevention Studies

The purpose of this article is to describe statistical procedures to assess how prevention and intervention programs achieve their effects

David P. Mackinnon; James H. Dwyer

2007

Scholarcy highlights

  • The purpose of this article is to describe statistical procedures to assess how prevention and intervention programs achieve their effects
  • The analyses require the measurement of intervening or mediating variables hypothesized to represent the causal mechanism by which the prevention program achieves its effects
  • Methods to estimate mediation are illustrated in the evaluation of a health promotion program designed to reduce dietary cholesterol and a school-based drug prevention program
  • The methods are relatively easy to apply and the information gained from such analyses should add to our understanding of prevention

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