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Eldevik, Sigmund; Hastings, Richard P.; Hughes, J. Carl; Jahr, Erik; Eikeseth, Svein; Cross, Scott – Journal of Clinical Child and Adolescent Psychology, 2009
A systematic literature search for studies reporting effects of Early Intensive Behavioral Intervention identified 34 studies, 9 of which were controlled designs having either a comparison or a control group. We completed a meta-analysis yielding a standardized mean difference effect size for two available outcome measures: change in full-scale…
Descriptors: Autism, Measures (Individuals), Effect Size, Meta Analysis