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Shin, Sangeun; Park, HyunJu; Hill, Katya – Journal of Speech, Language, and Hearing Research, 2021
Purpose: This study is aimed to identify the high-frequency vocabulary (HFV), otherwise termed "core vocabulary" for adults with complex communication needs. Method: Three major characteristics of the HFV--a relatively small number of different words (NDW), a relatively high word frequency, and a high word commonality across…
Descriptors: Word Frequency, Vocabulary Skills, Adults, Age Differences
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Matson, Johnny L.; Neal, Daniene – Research in Autism Spectrum Disorders, 2010
The diagnosis of autism and Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS), particularly in young children has become a top priority in the fields of mental health and education. Core symptoms include rituals and stereotypies, social skills deficits, and problems in communication. Considerable overlap exists in symptoms for…
Descriptors: Autism, Communication Disorders, Criticism, Identification