Meta-analytic examination of the strong and weak principles across 48 health behaviors.

  title={Meta-analytic examination of the strong and weak principles across 48 health behaviors.},
  author={Kara L. Hall and Joseph S. Rossi},
  journal={Preventive medicine},
  volume={46 3},
OBJECTIVE The strong and weak principles of change state that progress from the precontemplation to the action stage of change is associated with a one standard deviation increase in the pros and a one-half standard deviation decrease in the cons of change. In this study these relationships, originally developed by Prochaska [Prochaska, J.O., 1994. Strong and weak principles for progressing from precontemplation to action on the basis of 12 problem behaviors. Health Psychology, 13, 47-51] based… CONTINUE READING

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