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Gelfand, Donna M.; And Others – 1971
Three nonprofessionals, including those with limited education and advanced age, received training to become effective behavior modification agents (therapists). Each was then individually observed and videotaped in his work with a retarded child. Therapists' performances were not adequate for effecting the desired changes in the childrens'…
Descriptors: Audiovisual Aids, Behavior Change, Behavioral Objectives, Change Agents