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Meta-Analysis of PECS with Individuals with ASD: Investigation of Targeted versus Non-Targeted Outcomes, Participant Characteristics, and Implementation Phase
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Ganz, Jennifer B.; Davis, John L.; Lund, Emily M.; Goodwyn, Fara D.; Simpson, Richard L. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2012
The Picture Exchange Communication System (PECS) is a widely used picture/icon aided augmentative communication system designed for learners with autism and other developmental disorders. This meta-analysis analyzes the extant empirical literature for PECS relative to targeted (functional communication) and non-targeted concomitant outcomes…
Descriptors: Participant Characteristics, Multiple Disabilities, Mental Retardation, Autism
Development of the Language Subtest in a Developmental Assessment Scale to Identify Chinese Preschool Children with Special Needs
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Wong, Anita M. -Y.; Leung, Cynthia; Siu, Elaine K. -L.; Lam, Catherine C. -C.; Chan, Grace P. -S. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
This study reports on the development of the language subtest in the Preschool Developmental Assessment Scale (PDAS) for Cantonese-Chinese speaking children. A pilot pool of 158 items covering the two language modalities and the three language domains was developed. This initial item set was subsequently revised based on Rasch analyses of data…
Descriptors: Speech Communication, Language Impairments, Measures (Individuals), Test Construction