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Randomized Controlled Trial
. 2008 Winter;41(4):609-15.
doi: 10.1901/jaba.2008.41-609.

A deposit contract method to deliver abstinence reinforcement for cigarette smoking

Affiliations
Randomized Controlled Trial

A deposit contract method to deliver abstinence reinforcement for cigarette smoking

Jesse Dallery et al. J Appl Behav Anal. 2008 Winter.

Abstract

Eight smokers were randomly assigned to a deposit contract ($50.00) or to a no-deposit group. Using a reversal design, participants could recoup their deposit (deposit group) or earn vouchers (no-deposit group) for smoking reductions and abstinence (breath carbon monoxide [CO] < or =4 parts per million) during treatment phases. Treatment was delivered via a novel Internet-based method to monitor smoking status. Although equivalent decreases in breath CO and abstinence were observed during treatment in both groups, $178.50 in vouchers were distributed to participants in the no-deposit group, whereas a small surplus remained in the deposit group. A deposit contract method may represent a cost-effective model to deliver abstinence reinforcement for cigarette smoking.

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Figures

Figure 1
Figure 1
CO levels across all phases of the study. The dashed horizontal line indicates the abstinence criterion of 4 ppm. Open data points indicate that the sample met the shaping or abstinence criterion during the shaping and abstinence induction phases, respectively. Missing data points indicate when samples were not submitted.

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