Reducing Approach Bias to Achieve Smoking Cessation: A Pilot Randomized Placebo-Controlled Trial
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This study aimed to provide a preliminary test of the efficacy of a brief cognitive bias modification program for reducing approach bias in adult smokers motivated to quit. Participants were 52 smokers who were randomly assigned to four sessions of approach bias modification training (AAT) or sham training. Participants were asked to make a self-guided quit attempt upon completion of the final training session. Approach bias was assessed at baseline and at the end of each session, and days abstinent was assessed 1-week following the quit attempt. Individuals assigned to the AAT training condition evidenced significantly greater reductions in approach bias relative to those in the sham condition (p < .001). Baseline approach bias did not moderate the between-group effect (ps > 0.41); however, higher levels of approach bias at baseline were associated with greater approach bias reduction over time irrespective of condition (p < .001). Consistent with hypothesis, the reduction in approach bias during the intervention period was significantly related to the number of days abstinent following the quit attempt (p = .033). The present study extends recent work in alcohol use disorders by showing that approach bias reduction, in this case for smoking-related stimuli, may also facilitate smoking cessation. Clinical and research implications are discussed.
KeywordsSmoking Smoking cessation Intervention Randomized controlled trial Cognitive bias modification Approach bias
This study was in part funded by a Grant from the National Institute on Drug Abuse: R34 DA034658-01 (awarded to Dr. Smits)
SOB, MR, and JAJS designed the randomized controlled trial. SOB, MLD, DR, and JAJS wrote the first draft. DR and MLD conducted the statistical analyses. SOB and JRF collected the data. All authors worked to revise the manuscript and approved the final version.
Compliance with Ethical Standards
Conflict of Interest
Scarlett O. Baird, Mike Rinck, David Rosenfield, Michelle L. Davis, Jillian R. Fisher, Eni S. Becker, Mark B. Powers, and Jasper A. J. Smits have no conflicts of interest with respect to the research, authorship, and publication of the manuscript.
Informed consent was obtained from all individual participants included in the study.
This article does not contain any studies with animals performed by any of the authors.
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