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Behavioral procedures aimed at decreasing disruptiveness through increasing self-evaluative skills and programming generalization in a class of disruptive retarded children were examined. Phases of the study included: (a) baseline; (b) systematic feedback; (c) a token economy; (d) matching of teacher's ratings by students; (e) four fading phases during which progressively fewer students were required to match the teacher; (f) self-evaluation during which each student received the amount of points self-allotted regardless of teacher's ratings; (g) doubling of point costs of back-up reinforcers ("Inflation"); (h) complete removal of back-up reinforcers ("Points Only"); and (i) return to baseline conditions. The class was observed 5 days per week dueing a morning experimental period and several times per week in the afternoon as a measure of generalization. Additional measures of generalization included days when the token program was not in effect ("Off Days") and when the class was taught by a substitute teacher. Behavior was recorded according to an interval sampling observational code. The results showed that systematic feedback was effective in significantly reducing disruptiveness with even greater reductions resulting from the token program and the subsequent matching and fading phases. Decreased levels of disruptiveness were maintained throughout self-evaluation and the phases which followed. Decreased levels of disruption also generalized to afternoon sessions, to days when the experimental procedures were not in effect, and to self-evaluate, the class initially matched the teacher's ratings with about 50% accuracy. This gradually increased to consistently above 90% during the latter phases. The study demonstrated that retarded children can learn to accurately observe and veridically evaluate their own behavior, and that this has beneficial effects in terms of decreased disruptiveness.  相似文献   
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