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DL Riddle, FJ Keefe, WT Nay, D McKee… - Archives of physical …, 2011 - Elsevier

Pain coping skills training for patients with elevated pain catastrophizing who are scheduled for knee arthroplasty: a quasi-experimental study.

quasi-experimental designs

Riddle, Keefe

GSID: GPCLG_n_96kJ

Excerpt

… However, our quasi-experimental design precludes firm conclusions regarding the efficacy … Quasi-experimental designs are viable alternatives to randomized controlled trials, … As Campbell and Stanley 60 note, the nonequivalent control group design, as was used in this study, …

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