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Randomized Controlled Trial
. 2014 May;44(5):1244-51.
doi: 10.1007/s10803-013-1972-y.

A randomized trial comparison of the effects of verbal and pictorial naturalistic communication strategies on spoken language for young children with autism

Laura Schreibman  1 , Aubyn C Stahmer
Affiliations
Randomized Controlled Trial

A randomized trial comparison of the effects of verbal and pictorial naturalistic communication strategies on spoken language for young children with autism

Laura Schreibman et al. J Autism Dev Disord. 2014 May.

Abstract

Presently there is no consensus on the specific behavioral treatment of choice for targeting language in young nonverbal children with autism. This randomized clinical trial compared the effectiveness of a verbally-based intervention, Pivotal Response Training (PRT) to a pictorially-based behavioral intervention, the Picture Exchange Communication System (PECS) on the acquisition of spoken language by young (2-4 years), nonverbal or minimally verbal (≤9 words) children with autism. Thirty-nine children were randomly assigned to either the PRT or PECS condition. Participants received on average 247 h of intervention across 23 weeks. Dependent measures included overall communication, expressive vocabulary, pictorial communication and parent satisfaction. Children in both intervention groups demonstrated increases in spoken language skills, with no significant difference between the two conditions. Seventy-eight percent of all children exited the program with more than 10 functional words. Parents were very satisfied with both programs but indicated PECS was more difficult to implement.

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