Small-scale randomized controlled trials need more powerful methods of mediational analysis than the Baron-Kenny method.

@article{Cerin2006SmallscaleRC,
  title={Small-scale randomized controlled trials need more powerful methods of mediational analysis than the Baron-Kenny method.},
  author={Ester Cerin and Lorian M Taylor and E. V. Leslie and Neville Owen},
  journal={Journal of clinical epidemiology},
  year={2006},
  volume={59 5},
  pages={457-64}
}
OBJECTIVE To devise more-effective physical activity interventions, the mediating mechanisms yielding behavioral change need to be identified. The Baron-Kenny method is most commonly used, but has low statistical power and may not identify mechanisms of behavioral change in small-to-medium size studies. More powerful statistical tests are available. STUDY DESIGN AND SETTING Inactive adults (N=52) were randomized to either a print or a print-plus-telephone intervention. Walking and exercise… CONTINUE READING

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