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J Appl Behav Anal. 1986 Summer;19(2):197-202.

Contingent payment procedures for smoking reduction and cessation.


We assessed the ability of a combined contingent reinforcement and intensive monitoring procedure to promote and sustain temporary smoking cessation among 34 hired research volunteers, and the ability of a smoking reduction test to predict the subsequent initiation of abstinence. During the 5-day cutdown test, subjects were paid from $0 to $6 per day depending on the extent of reduction from baseline CO levels. During the abstinence test, breath samples were obtained three times daily and subjects were paid $4 for each CO reading less than or equal to 11 ppm. Sixty-eight percent of subjects initiated abstinence. Of the breath samples collected during the abstinence test (91% of scheduled samples), 96.5% were less than or equal to 11 ppm and 80.5% were less than or equal to 8 ppm. Subjects who earned more money during the cutdown test were more likely to abstain (r = -0.51, p less than .001). Contingent reinforcement and intensive monitoring procedures appear to have usefulness for analog studies of smoking reduction and cessation.

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