Reexamining Pathways Early Autism Intervention in Children Before and After the Third Birthday: A Randomized Control...

Area of Science:

• Developmental Psychology
• Clinical Psychology
• Speech-Language Pathology

Background:

• Early autism intervention is crucial for improving outcomes in autistic children.
• The Pathways intervention has previously demonstrated efficacy in proximal and distal skills.
• Generalized measures in novel environments reduce measurement bias.

Purpose of the Study:

• To reexamine the efficacy of the Pathways early intervention for autism.
• To assess the impact of Pathways on generalized social communication and language skills.
• To investigate the moderating role of age on intervention effectiveness.

Main Methods:

• Sixty-seven autistic children were randomly assigned to either the Pathways intervention or services-as-usual.
• Participants were stratified by age (under vs. over 3 years).
• Intervention lasted 15 weeks, with outcomes measured using generalized social communication and language assessments.

Main Results:

• Age moderated the effects of Pathways on social communication, with a significant large effect in children under 3.
• A small effect approaching significance was observed for social communication in children over 3.
• Pathways demonstrated a small effect on expressive speech/language skills.

Conclusions:

• The findings replicate previous research on the efficacy of the Pathways intervention.
• Early intervention, particularly for children under 3, is critical for improving social communication in autism.
• The study underscores the importance of early intervention for enhancing both social and language development in autistic children.