Effectiveness of an Intervention for Children with Externalizing Behavior and Mild to Borderline Intellectual Disabilities: A Randomized Trial
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Abstract
This study evaluated the effectiveness of Standing Strong Together (SST), a combined group based parent and child intervention for externalizing behavior in 9-16 year-old children with mild to borderline intellectual disabilities (MBID). Children with externalizing behavior and MBID (IQ from 55 to 85) (N = 169) were cluster randomly assigned to SST combined with care as usual or to care as usual only. SST led to a significant benefit on teacher reported but not on parent reported externalizing behavior. SST had significant effects on parent rated positive parenting and the parent-child relationship. The present study shows that a multicomponent group based intervention for children with MBID is feasible and has the potential to reduce children's externalizing behavior and improve both parenting behavior and the parent-child relationship.