Figure. Example of use of effect size drawn from review of studies evaluating behavioral interventions to modify physical activity behaviors. Reproduced from reference 48: Holtzman J, Schmitz K, Babes G, Kane RL, Duval S, Wilt TJ, et al. Effectiveness of behavioral interventions to modify physical activity behaviors in general populations and cancer patients and survivors. Evidence Report/Technology Assessment No. 102 (Prepared by the University of Minnesota Evidence-based Practice Center under contract 290-02-0009). Rockville, MD: Agency for Healthcare Research and Quality; 2004. AHRQ publication no. 04-E027-1.

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