Parent-Mediated Intervention for One-Year-Olds Screened as At-Risk for Autism Spectrum Disorder: A Randomized
Linda R Watson1, Elizabeth R Crais2, Grace T Baranek2,3
1The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA. lwatson@med.unc.edu.
Insights
Early intervention for infants at-risk of autism spectrum disorder (ASD) showed parents becoming more responsive. This improved child outcomes, supporting the intervention
Area of Science:
- Developmental Psychology
- Pediatric Medicine
- Clinical Psychology
Background:
- Early identification of infants at-risk for Autism Spectrum Disorder (ASD) is crucial for timely intervention.
- Parent-mediated interventions aim to enhance infant outcomes by improving parent-child interactions.
- The efficacy of early, parent-mediated interventions for at-risk infants requires further investigation.
Purpose of the Study:
- To test the efficacy of Adapted Responsive Teaching (ART), a parent-mediated early intervention, for one-year-olds identified as at-risk for ASD.
- To examine the impact of ART on child outcomes and parent responsiveness.
- To investigate the mediating role of parent responsiveness in the relationship between ART and child outcomes.
Main Methods:
- A randomized controlled trial was conducted with 87 one-year-olds identified as at-risk for ASD.
- Participants were assigned to either the Adapted Responsive Teaching (ART) intervention group or a control group.
- Parent responsiveness and child outcomes were assessed to evaluate intervention effects.
Main Results:
- The ART intervention showed minimal direct effects on child outcomes.
- Parents in the ART group demonstrated significantly greater increases in responsiveness compared to the control group.
- Changes in parent responsiveness mediated the effects of the intervention on multiple child outcomes.
Conclusions:
- Parent-mediated interventions like ART can enhance parent responsiveness in infants at-risk for ASD.
- Increased parent responsiveness may be a key mechanism through which early interventions improve child outcomes.
- Further research is needed to optimize early intervention strategies for at-risk infants to improve long-term developmental trajectories.
Abstract:
Theoretically, interventions initiated with at-risk infants prior to the point in time a definitive autism spectrum disorder (ASD) diagnosis can be made will improve outcomes. Pursuing this idea, we tested the efficacy of a parent-mediated early intervention called Adapted Responsive Teaching (ART) via a randomized controlled trial with 87 one-year-olds identified by community screening with the First Year Inventory as at-risk of later ASD diagnoses. We found minimal evidence for main effects of ART on child outcomes. However, ART group parents showed significantly greater increases in responsiveness to their infants than control group parents. Further, significant indirect (mediation) effects of assignment group on multiple child outcomes through changes in parent responsiveness supported our theory of change.
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