The efficacy of cognitive behavior therapies: A quantitative review of the research evidence
Assessed the effectiveness of cognitive behavior therapies in a review of 48 studies of adolescents and adults that compared cognitive behavioral therapy with some form of control group. Analyses indicated that cognitive behavior therapies were superior to no treatment; however, there was no firm evidence that these therapies were superior to other psychotherapies. Analyses failed to find cognitive behavior therapies emphasizing behavioral techniques to be more effective than primarily cognitive approaches. Also, the efficacy of cognitive behavior therapies appeared relatively uniform across diagnostic categories and equally effective when administered in a group or individual format. There was no evidence that sex or age of patient, experience of therapist or even duration of therapy were related to treatment effects. (54 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved).
Miller, R., & Berman, J. (1983). The efficacy of cognitive behavior therapies: A quantitative review of the research evidence. Psychological Bulletin, 94 (1), 39-53. https://doi.org/10.1037/0033-2909.94.1.39