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Kahn, James V.2
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Kahn, James V. – 1978
The effectiveness of sign language was compared with verbal language instruction with 12 nonverbal severely retarded students (4 to 9 years old). Ss received either speech training, sign language training, or instruction in an area other than communication. During the second year, 10 Ss received training from their parents. Results indicated no…
Descriptors: Children, Exceptional Child Research, Language Instruction, Manual Communication
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Kahn, James V. – Mental Retardation, 1977
Descriptors: Exceptional Child Research, Language Instruction, Manual Communication, Mental Retardation