Using Time Delay to Teach Manual Signs to a Severely Retarded Student

A severely retarded adolescent boy who had not acquired oral expression skills was taught five manual signs to express a food preference. Time delay procedure was used to present and fade both model and physical prompts. The food items themselves were used as reinforcers. A multiple baseline design...

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Bibliographic Details
Published in:Education and training of the mentally retarded 1981-12, Vol.16 (4), p.252-258
Main Authors: BROWDER, DIANE M., MORRIS, WENDY W., SNELL, MARTHA E.
Format: Article
Language:English
Subjects:
Adolescents
American sign language
Hotdogs
Imitation foods
Intellectual disability
Language development disorders
Mental training
Nonverbal Communication
Reinforcement
Severe Mental Retardation
Sign Language
Sign languages
Signing exact English
Special education
Speech Handicaps
Time Factors (Learning)
Training
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Summary:A severely retarded adolescent boy who had not acquired oral expression skills was taught five manual signs to express a food preference. Time delay procedure was used to present and fade both model and physical prompts. The food items themselves were used as reinforcers. A multiple baseline design employed across behaviors demonstrated that instruction was effective for all five signs. During probes for expression of choice, the subject did select a variety of food items.
ISSN:0013-1237