Mental Retardation

Mental Retardation

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Bath. Stuart. A. Smith. a#39; Although much data have been collected in the aast few years in an attempt to investigate the effective- iess of token economy ... Tymchuk , 1971) also share this shortcoming, although /an Allen (1970) does present some data collected from t personal appearance check list. ... Daily Stars were then given according to objective criteria based upon the amount of marks accumulated.

Title:Mental Retardation
Publisher: - 1973


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