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Meta-analysis of single-case treatment effects on self-injurious behavior for individuals with autism and intellectual disabilities
Journal article   Open access   Peer reviewed

Meta-analysis of single-case treatment effects on self-injurious behavior for individuals with autism and intellectual disabilities

Stephanie Morano, Salvador Ruiz, Jiwon Hwang, Jennifer L. Wertalik, Jeremy Moeller, Muhammed Akif Karal and Austin Mulloy
Autism & Developmental Language Impairments, Vol.2(Jan-Dec)
2
02/01/2017
Web of Science ID: WOS:000841456800004

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Abstract

Background and aim: Research has demonstrated that a variety of treatments can reduce or eliminate self-injurious behavior (SIB) in individuals with autism and/or intellectual disabilities but evidence suggests that not all treatments are equally effective. Methods: We used multi-level meta-analysis to synthesize the results of 137 single-case design studies on SIB treatment for 245 individuals with autism and/or intellectual disabilities. Analyses compare the effects of various behavioral and medical treatments for SIB and assess associations between treatment effects and participant- and study-level variables. Results: Findings suggest differential reinforcement, punishment, and treatment packages with reinforcement and punishment components resulted in the largest SIB reductions. Conclusions: Results indicate that overall, treatment for SIB is highly effective and that participant and study characteristics do not moderate treatment effects. Implications: Based on results and in line with current practice recommendations, we encourage use of reinforcement-based procedures in all cases of SIB. In the event that reinforcement-only treatments have failed or if SIB poses a serious, immediate threat to the health and well-being of an individual, our results suggest that overcorrection paired with reinforcement may be the most effective as well as less invasive alternative.
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