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J Consult Clin Psychol. 2006 Jun;74(3):426-35.

Randomized comparison of two communication interventions for preschoolers with autism spectrum disorders.

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Special Education Department, Vanderbilt University, Nashville, TN 37203, USA.


This randomized group experiment compared the efficacy of 2 communication interventions (Responsive Education and Prelinguistic Milieu Teaching [RPMT] and the Picture Exchange Communication System [PECS]) in 36 preschoolers with autism spectrum disorders. Each treatment was delivered 3 times per week, in 20-min sessions, for 6 months. The results revealed that the RPMT facilitated the frequency of generalized turn taking and generalized initiating joint attention more than did the PECS. The latter effect occurred only for children who began treatment with at least some initiating joint attention. In contrast, the PECS facilitated generalized requests more than the RPMT in children with very little initiating joint attention prior to treatment. These effect sizes were large.

[Indexed for MEDLINE]

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