The focus of the current study is to systematically investigate the psychometric properties of a range of aided language measures, which are based on the Graphic Symbol Utterance and Sentence Development Framework (Binger \& Kent-Walsh).
Clinical Identification of Down Syndrome or Cerebral Palsy + Significant Speech Impairment
Must Speak English as a Primary Language
Must Be Able to Express At Least 25 Words (using any communication mode)
Must Be Able to Accurately Select Picture Symbols on iPad Communication App with at Least 50% Accuracy
Clinical Diagnosis of Autism or Social Communication Disorder
Primary Language Spoken is A Language Other than English
Single group
AAC Generative Language Intervention
BehavioralAided AAC Language Input/Output Intervention
Aided AAC Utterance Length
Aided AAC Sentence Length Measured in Morphemes
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University of Central Florida
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
Collaborator
University of New Mexico
Collaborator
University of Wisconsin, Milwaukee
Collaborator
