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Autism Spectrum Disorder

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Related Experiment Video

Updated: Dec 22, 2025

A Familiarization Protocol Facilitates the Participation of Children with ASD in Electrophysiological Research

A Familiarization Protocol Facilitates the Participation of Children with ASD in Electrophysiological Research

Published on: July 31, 2017

Efficacy of Interventions Based on Applied Behavior Analysis for Autism Spectrum Disorder: A Meta-Analysis.

Qian Yu¹, Enyao Li¹, Liguo Li¹

¹Department of Child Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, China.

Psychiatry Investigation

|May 8, 2020

Summary

Applied behavior analysis (ABA) interventions show promise for improving communication and expressive language in children with autism spectrum disorder (ASD). However, evidence for broader symptom management remains limited due to a small study pool.

Keywords:

Applied behavior analysis Autism Children Meta-analysis

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Published on: September 20, 2024

Area of Science:

Developmental Psychology
Behavioral Science
Clinical Psychology

Background:

Autism spectrum disorder (ASD) presents complex challenges in social interaction, communication, and behavior.
Applied behavior analysis (ABA) is a widely used intervention approach for children with ASD.
Evidence synthesis is crucial to understand the efficacy of ABA-based interventions.

Purpose of the Study:

To systematically evaluate the evidence for ABA-based interventions in managing various symptoms of ASD in children.
To compare the effectiveness of different ABA-derived approaches, including ESDM, PECS, and DTT.

Main Methods:

A meta-analysis of 14 randomized controlled trials involving 555 participants.
Sensitivity analyses were performed by excluding outlying studies.
Subgroup analyses compared ABA, Early Start Denver Model (ESDM), Picture Exchange Communication Systems (PECS), and Discrete Trial Training (DTT).

Main Results:

Significant positive effects were observed for expressive language (d=-3.52, p=0.01) and suggested promise for socialization and communication.
No significant effects were found for general ASD symptoms, receptive language, adaptive behavior, IQ, or repetitive behaviors.
The overall effect size for general ASD symptoms was not significant (d=-0.36, p=0.45).

Conclusions:

ABA-based interventions may offer benefits for specific areas like expressive language in children with ASD.
The limited number of studies restricts definitive conclusions when comparing different ABA intervention models (ABA, ESDM, PECS, DTT).
Further research with larger sample sizes is needed to clarify the efficacy of various ABA interventions for ASD symptom management.