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Peer reviewedWherry, Jeffrey N.; Edwards, R. P. – Journal of Communication Disorders, 1983
The effectiveness of verbal, sign, and simultaneous systems for the acquisition of receptive language by an autistic boy was investigated. Results suggest nonsignificant differences among the three methods. (Author/SEW)
Descriptors: Autism, Case Studies, Language Acquisition, Receptive Language
Peer reviewedCoelho, Carl A. – Journal of Communication Disorders, 1990
This study of four moderately to severely aphasic subjects found that success in manual sign training programs is related to severity of aphasia, that aphasic subjects' propositional use of manual signs rarely follows simple acquisition, and that generalization to untrained stimuli or environments does not occur without additional training.…
Descriptors: Adults, Aphasia, Generalization, Language Acquisition
