Commentary on Cognitive-Behavioral Therapy for Adults With Intellectual Disabilities
Scott Spreat and Michael J. Roszkowski
Clinical Psychology: Science and Practice. 2022, Vol. 29, No. 3, 243–246.
Graser et al. (2022) presents a meta-analytic summary of 22 diverse studies employing some form of cognitive-behavioral therapy to treat adults with varying degrees of intellectual disability who were experiencing either depression, anxiety, or anger. The researchers included in the analysis eight studies with randomized controlled trials (RCT), seven studies with controlled trials (CT), and seven studies with uncontrolled trials. However, due to the differences in quality, the RCT and CT studies were analyzed separately from the uncontrolled studies. Overall, the results showed a medium effect size for both depression and anger, but a small effect size for anxiety. Heterogeneity was observed, with a lower effect size in the better designed studies. We interpret the meaning and implications of this research in the context of the state-of-the art of meta-analysis, including adherence to the standards for conducting and reporting meta-analyses presented in Preferred Reporting Items for Systematic Reviews and Meta-Analysis and current practices in the dissemination of research findings.
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RI Commentary on Cognitive-Behavioral Therapy for Adults With Intellectual Disabilities