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Comprehensive ABA-based interventions in the treatment of children with autism spectrum disorder - a meta-analysis
Theresa Eckes1, Ulrike Buhlmann1, Heinz-Dieter Holling1
1Institute of Psychology, University of Münster, Fliednerstr. 21, 48149, Münster, Germany.
Background:
Many studies display promising results for interventions that are based on Applied Behavior Analysis (ABA) in the treatment of autism spectrum disorder (ASD).
Methods:
This meta-analysis assessed the effects of such treatments on developmental outcomes in children with ASD and on parental stress based on 11 studies with 632 participants.
Results:
Compared to treatment as usual, minimal or no treatment, comprehensive ABA-based interventions showed medium effects for intellectual functioning (standardized mean difference SMD = 0.51, 95% CI [0.09; 0.92]) and adaptive behavior (SMD = 0.37, 95% CI [0.03; 0.70]). Language abilities, symptom severity or parental stress did not improve beyond the improvement in control groups. Moderator analyses indicate that language abilities at intake could influence the effect sizes and the influence of treatment intensity might decrease with older age.
Conclusions:
Practical implications and limitations are discussed.
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