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Mechanism of Developmental Change in the PLAY Project Home Consultation Program: Evidence from a Randomized Control
Gerald Mahoney1, Richard Solomon2
1Jack, Joseph and Morton Mandel School of Applied Social Sciences, Case Western Reserve University, Cleveland, OH, 44106, USA. gjm14@case.edu.
Journal of Autism and Developmental Disorders
|February 3, 2016
Summary
The PLAY Project intervention improved parent-child interactions, leading to better social engagement in children with Autism Spectrum Disorder. These changes in social engagement and parental responsiveness ultimately reduced autism severity in the children.
Area of Science:
- Developmental Psychology
- Clinical Psychology
- Pediatrics
Background:
- Autism Spectrum Disorder (ASD) significantly impacts social development.
- Early intervention is crucial for improving outcomes in young children with ASD.
- The PLAY Project utilizes the Developmental, Individual-differences, Relationship-based (DIR) model to enhance parent-child interactions.
Purpose of the Study:
- To examine the mediating roles of parental responsiveness and children's social engagement in the effectiveness of the PLAY Project intervention for preschool children with ASD.
- To analyze how the PLAY Project influences parental interaction styles and children's social engagement.
- To determine the impact of these mediators on the reduction of autism severity.
Main Methods:
- Secondary analysis of a randomized control trial involving 112 preschool children with ASD and their parents.
- Intervention group received the PLAY Project plus community standard treatment; control group received community standard treatment.
- Regression analyses were used to test for mediation effects of parental responsiveness, affect, and children's social engagement on autism severity.
Main Results:
- The PLAY Project intervention led to increased parental responsiveness and affect.
- Improvements in children's social engagement were mediated by enhanced parental responsiveness and affect.
- Reductions in children's autism severity (Social Affect disorders) were mediated by changes in parental responsiveness and affect, which in turn were influenced by children's social engagement.
Conclusions:
- Parental responsiveness and affect are key mediators in the PLAY Project's positive effects on children with ASD.
- The intervention's success in reducing autism severity is linked to improved parent-child interaction dynamics and increased child social engagement.
- Findings support developmental change models, particularly the DIR model, in understanding intervention outcomes for ASD.
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