Effects of positive and negative reinforcement on daily living skills in chronic psychiatric patients in community residences

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Abstract
The effects of contingent positive and negative reinforcement on adaptive behavior and mood were examined in a sample of 36 chronic, psychiatric outpatients. Group 1 received contingent positive token reinforcement to improve daily living skills, group 2 received a negative reinforcement procedure based on removal of free-tokens, and group 3 was a no-treatment control. Subjects were assessed via a weekly daily living checklist and were pre- and posttested on the Profile of Mood States (POMS). Significant differences were found between the control and treatment groups on both total activities of daily living and among five individual targeted behaviors. Mood states did not differ among the groups, which indicates benign effects of negative reinforcement. The findings of this study are relevant to the treatment of the serious and persistently mentally ill.