Publications

Below is a list of publications related to contingency management interventions by our group.

Primary Materials

Higgins, S.T. & Petry, N.M. (1999). Contingency management: Incentives for sobriety. Alcohol Research and Health, 23, 122-127.

Petry, N.M. (2000). A comprehensive guide for the application of contingency management procedures in standard clinic settings. Drug and Alcohol Dependence, 58, 9-25.

Higgins, S. T., Alessi, S. M., & Dantona, R. L. (2002). Voucher-based contingency management interventions: A substance abuse treatment innovation. Addictive Behaviors, 27(6), 887-910. PMID:12369474.

Petry, N.M. (2002). Contingency management in addiction treatment. Psychiatric Times, 19, 52-56.

Petry, N.M. & Simcic, F. (2002). Recent advances in the dissemination of contingency management techniques: Clinical and research perspectives. Journal of Substance Abuse Treatment, 23, 81-86. doi:10.1016/S0740-5472(02)00251-9.

Petry, N.M. (2006). Contingency management treatments. British Journal of Psychiatry, 189, 97-98.

Stitzer, M. & Petry, N. (2006). Contingency management for treatment of substance abuse. Annual Review of Clinical Psychology, 2, 411-434.

Alessi, S. M. & Petry, N. M. (2007). Contingency management interventions for the treatment of substance use disorders. In K. Yip & L. Davidson (Eds.), Comprehensive Handbook of Drug and Alcohol Addiction, Second Edition. New York, NY: Marcel Dekker, Inc.

Petry, N. M. & Alessi, S. M. Lowering costs in drug abuse treatment clinics. (2007). In S. T. Higgins, K. Silverman, & S. H. Heil (Eds.), Contingency management in the treatment of substance use disorders: A science-based treatment innovation (pp. 261-279). New York, NY: Guilford Publications, Inc. ISBN 13: 978-1-59385-57-0.

Roll, J., Madden, G. J., Rawson, R., Petry, N. M. (2009). Facilitating the adoption of contingency management for the treatment of substance use disorders. Behavior Analysis in Practice, 2(1), 4-13.

Nunes, E. V., Ball, S., Booth, R., Brigham, G., Calsyn, D. A., Carroll, K., Feaster, D. J., Hien, D., Hubbard, R. L., Ling, W., Petry, N. M., Rotrosen, J., Selzer, J., Stitzer, M., Tross, S., Wakim, P., Winhusen, T., Woody, G. (2010). Multisite effectiveness trials of treatments for substance abuse and co-occurring problems: Have we chosen the best designs? Journal of Substance Abuse Treatment, 38(Suppl. 1), S97-112. PMID: 20307801.

Petry, N. M. (2010). Contingency management treatments: controversies and challenges. Addiction, 105(9), 1507-1509. PMCID: PMC3049167.

Stitzer, M. L., Petry, N. M., Peirce, J. (2010). Motivational incentives research in the National Drug Abuse Treatment Clinical Trials Network. Journal of Substance Abuse Treatment, 38(Suppl. 1), S61-69. PMCID: PMC2866424.

Petry, N. M. (2011). Contingency management: what it is and why psychiatrists should want to use it. Psychiatrist, 35 (5), 61-163. PMCID: PMC3083448.

Petry, N. M., Alessi, S. M., & Rash, C. J. (2011). Contingency management treatments of drug and alcohol use disorders. In J. S. Poland & G. Graham (Eds.), Addition and responsibility (pp. 252-246). Cambridge, MA: MIT Press. ISBN: 9780262015509.

Petry, N. M., & Barry, D. (2011). Community reinforcement approach and contingency management therapies. In B. A. Johnson (Ed.), Addiction Medicine (pp. 751-764). New York, NY: Springer New York. doi:10.1007-978-1-4419-0338-9_3.

Petry, N. M. (2012). Contingency management for substance abuse treatment: A guide to implementing evidence-based practice. New York, NY, US: Routledge/Taylor & Francis Group.

*Alessi, S. M. (2013). Contingency management. In: Peter Miller and Samuel Ball (Eds.), Interventions for Addiction: Comprehensive Addictive Behaviors and Disorders. Elsevier Inc., San Diego: Academic Press, pp. 37-46.

Walter, K. N., & Petry, N. M. (2015). Motivation and contingency management treatments for substance use disorders. In E.H. Simpson & P.D. Balsam (Eds.), Current Topics in Behavioral Neurosciences: Motivation. Epub ahead of print. PMID:25762429.

Petry, N.M., Martin, B., Cooney, J.L. & Kranzler, H.R. (2000). Give them prizes and they will come: Contingency management for the treatment of alcohol dependence. Journal of Consulting and Clinical Psychology, 68, 250-257.

Petry, N.M. & Martin, B. (2002). Low-cost contingency management for treating cocaine- and opioid-abusing methadone patients. Journal of Consulting and Clinical Psychology, 70, 398-405. doi:10.1037//0022-006X.70.2.398.

Petry, N.M., Tedford, J. Austin, M., Nich, C., Carroll, K.M. & Rounsaville, B.J. (2004). Prize reinforcement contingency management for treatment of cocaine abusers: How low can we go, and with whom? Addiction, 99, 349-360.

Petry, N.M., Alessi, S.M., Marx, J., Austin, M. & Tardif, M. (2005). Vouchers versus prizes: Contingency management for treatment of substance abusers in community settings. Journal of Consulting and Clinical Psychology, 73, 1005-1014.

Petry, N.M., Martin, B. & Simcic, F. (2005). Prize reinforcement contingency management for cocaine dependence: Integration with group therapy in a methadone clinic. Journal of Consulting and Clinical Psychology, 73, 354-359.

Petry, N.M., Peirce, J.M., Sitizer, M.L., Blaine, J., Roll, J.M., et al. (2005). Effect of prize-based incentives on outcomes in stimulant abusers in outpatient psychosocial treatment programs: A national drug abuse treatment clinical trials network study Archives of General Psychiatry, 62, 1148-1156. doi:10.1001/archpsyc.62.10.1148.

Peirce, J.M., Petry, N.M., Stitzer, M.L. Blaine, J., Kellogg, S., Satterfield, F., et al. (2006). Effects of lower-cost incentives on stimulant abstinence in methadone maintenance treatment: A National Drug Abuse Treatment Clinical Trials Network study. Archives of General Psychiatry, 63, 201-208.

Petry, N.M., Alessi, S.M., Carroll, K.M., Hanson, T., MacKinnon, S., Rounsaville, B. & Sierra, S. (2006). Contingency management treatments: Reinforcing abstinence versus adherence with goal-related activities. Journal of Consulting and Clinical Psychology, 74, 592-601.

Petry, N.M., Weinstock, J., Alessi, S.M., Lewis, M.W., & Dieckhaus, K. (2010). Group-based randomized trial of contingencies for health and abstinence in HIV patients. Journal of Consulting and Clinical Psychology, 78(1), 89-97. PMCID: PCM2813453.

Petry, N. M., Alessi, S. M., & Ledgerwood, D. M. (2012). Contingency management delivered by community therapists in outpatient settings. Drug and Alcohol Dependence, 122(1-2), 86-92. PMCID: PMC3290694. doi:10.1037/a0026826.

Petry, N. M., Barry, D., Pescatello, L., & White, W. B. (2011). A low-cost reinforcement procedure improves short-term weight loss outcomes. American Journal of Medicine, 124(11), 1082-1085. PMCID: PMC3200484.

Petry, N. M., Weinstock, J., & Alessi, S. M. (2011). A randomized trial of contingency management delivered in the context of group counseling. Journal of Consulting and Clinical Psychology, 79(5), 686-696. PMCID: PMC3722591. doi:10.1037/a0024813.

Carroll, K. M., Nich, C., Lapaglia, D. M., Peters, E. N., Easton, C. J., Petry, N. M. (2012). Combining cognitive behavioral therapy and contingency management to enhance their effects in treating cannabis dependence: less can be more, more or less. Addiction, 107(9), 1650-1659. PMCID: PMC3509418. doi:10.1111/j.1360-0443.2012.03877. PMCID: PMC3509418. doi:10.111.j.1360-0443.2012.03877.x.

Petry, N. M., Alessi, S. M., & Ledgerwood, D. M. (2012). A randomized trial of contingency management delivered by community therapists. Journal of Consulting and Clinical Psychology, 80 (2), 286-298. PMCID: PMC3725552. doi:10.1037/a0026826.

Petry, N. M., Barry, D., Alessi, S. M., Rounsaville, B. J., Carroll, K. M. (2012). A randomized trial adapting contingency management targets based on initial abstinence status of cocaine-dependent patients. Journal of consulting and clinical psychology, 80 (2), 276-285. PMCID: PMC3668312. doi: 10.1037/a0026883.

Petry, N. M., Alessi, S. M., & Rash, C. J. (2013). A randomized study of contingency management in cocaine-dependent patients with severe and persistent mental health disorders. Drug and Alcohol Dependence, 130, 234-237. doi: /10.1016/j.drugalcdep.2012.10.017.

Alessi, S. M. & Petry, N. M. (2013). A randomized study of cell phone technology to reinforce alcohol abstinence in the natural environment. Addiction, 108(5), 900-909. PMCID:PMC3662495. doi: 10.1111/add.12093.

Alessi, S. M., & Petry, N. M. (2014). Smoking reductions and increased self-efficacy in a Randomized Controlled Trial of smoking abstinence-contingent incentives in residential substance abuse treatment patients. Nicotine and Tobacco Research, 16(11), 1436-1445. doi: 10.1093/ntr/ntu095.

Andrade, L. F., Barry, D., Litt, M. D. & Petry N. M. (2014). Maintaining high activity levels in sedentary adults with a reinforcement-thinning schedule. Journal of Applied Behavior Analysis, 47, 523-536. PMCID: PMC4778539. doi:10.1002/jaba.147.

Godley, M. D., Godley, S. H., Dennis, M. L., Funk, R. R., Passetti, L. L., & Petry, N. M. (2014). A randomized trial of assertive continuing care and contingency management for adolescents with substance use disorders. Journal of Consulting and Clinical Psychology, 82, 40-51. PMCID: PMC3938115.

Ledgerwood, D. M., Arfken, C. L., Petry, N. M., & Alessi, S. M. (2014). Prize contingency management for smoking cessation: A randomized trial. Drug and Alcohol Dependence, 140, 208-212. doi: 10.1016/j.drugalcdep.2014.03.032.

Weinstock, J., Capizzi, J., Weber, S. M., Pescatello, L. S., & Petry, N. M. (2014). Exercise as an intervention for sedentary hazardous drinking college students: A pilot study. Mental Health and Physical Activity, 7, 55-62. PMCID: PMC4058428.

Petry, N. M., Alessi, S. M., Barry, D., & Carroll, K. M. (2015). Standard magnitude prize reinforcers can be as efficacious as larger magnitude reinforcers in cocaine-dependent methadone patients. Journal of Counseling and Clinical Psychology, 83(3), 464-472. PMCID: PMC4362849. doi:10.1037/a0037888.

Petry, N. M., Alessi, S. M., Byrne, S., & White, W. B. (2015). Reinforcing adherence to antihypertensive medications. The Journal of Clinical Hypertension, 17(1), 33-8. PMCID: PMC4293311. doi: 10.1111/jch.12441.

Alessi, S. M., Rash, C. J., & Petry, N. M. (2016). A randomized trial of adjunct mHealth abstinence reinforcement with transdermal nicotine and counseling for smoking cessation. Nicotine and Tobacco Research, ntw155. PMC Journal – In Progress. doi: 10.1093/ntr/ntw155.

Becker, S. J., Squires, D. D., Strong, D. R., Barnett, N. P., Monti, P. M., & Petry, N. M. (2016). Training opiate addiction treatment providers to adopt contingency management: A prospective pilot trial of a comprehensive implementation science approach. Substance Abuse, 37, 134-140. PMCID: PMC4847430. doi: 10.1080/08897077.2015.1129524.

Carroll, K. M., Nich, C., Petry, N. M., Eagan, D. A., Shi, J. M., & Ball, S. A. (2016). A randomized factorial trial of disulfiram and contingency management to enhance cognitive behavioral therapy for cocaine dependence. Drug and Alcohol Dependence, 160, 135-142. PMCID: PMC4767616. doi: 10.1016/j.drugalcdep.2015.12.036.

Outcomes

Petry, N.M. (2001). Contingent reinforcement for compliance with goal-related activities in HIV-positive substance abusers. Behavior Analyst Today, 2, 78-85.

Petry, N.M., Tedford, J. & Martin, B. (2001). Reinforcing compliance with non-drug related activities. Journal of Substance Abuse Treatment, 20, 33-44.

Lewis, M.W. & Petry, N.M. (2005). Contingency management treatments that reinforce completion of goal-related activities: Participation in family activities and its association with outcomes. Drug and Alcohol Dependence, 79, 267-271. doi:10.1016/j.drugalcdep.2005.01.016.

Petry, N.M., Alessi, S.M., Carroll, K.M., Hanson, T., MacKinnon, S., Rounsaville, B. & Sierra, S. (2006). Contingency management treatments: Reinforcing abstinence versus adherence with goal-related activities. Journal of Consulting and Clinical Psychology, 74, 592-601.

Drebing, C.E., Van Ormer, E.A., Mueller, L., Hebert, M., Penk, W., Petry, N.M., Rosenheck, R., & Rounsaville, B.J. (2007). Adding a contingency management intervention to vocational rehabilitation: Outcomes for dually diagnosed veterans. Journal of Disability and Rehabilitation Research and Development, 44, 851-866.

Godley, S.H., Godley, M.D., Wright, K. L., Funk, R.R. & Petry, N.M. (2008). Contingent reinforcement of prosocial activities for adolescents with substance use disorders during post-residential continuing care. American Journal on Addictions, 17, 278-286. NIHMSID: NIHMS87367. doi:10.1080/10550490802138798.

Petry, N.M., Lewis, M.W., & Ostvik-White, E. (2008). Participation in religious activities during contingency management intervention is associated with treatment outcomes. American Journal on Addictions, 17, 408-413. NIHMSID: NIHMS76697.

Weinstock, J., Barry, D., & Petry, N. M. (2008). Exercise-related activities are associated with positive outcome in contingency management treatment for substance use disorders. Addictive Behaviors, 33, 1072-1075. PMCID: PMC2488402.

Petry, N.M., Weinstock, J., Alessi, S.M., Lewis, M.W., & Dieckhaus, K. (2010). Group-based randomized trial of contingencies for health and abstinence in HIV patients. Journal of Consulting and Clinical Psychology, 78(1): 89-97. PMCID: PMC2813453.

Petry, N. M., Barry, D., Pescatello, L., & White, W. B. (2011). A low-cost reinforcement procedure improves short-term weight loss outcomes. American Journal of Medicine, 124(11), 1082-1085. PMCID: PMC3200484.

Petry, N.M., Martin, B., Cooney, J.L. & Kranzler, H.R. (2000). Give them prizes and they will come: Contingency management for the treatment of alcohol dependence. Journal of Consulting and Clinical Psychology, 68, 250-257.

McCaul, M.E. & Petry, N.M. (2003). The role of psychosocial treatments in pharmacotherapy for alcoholism. American Journal on Addictions, 12 Suppl1, S41-52.

Litt, M.D., Kadden, R.M., Kabela-Cormier, E., & Petry, N.M. (2007). Changing network support for drinking: Initial findings from the network support project. Journal of Consulting and Clinical Psychology, 75, 542-555. PMID: 19309183.

Litt, M.D., Kadden, R.M., Kabela-Cormier, E., & Petry, N.M. (2009). Changing network support for drinking: Network Support Project two-year follow-up. Journal of Consulting and Clinical Psychology, 77, 229–242. NIHMSID: NIHMS90662.

Alessi, S. M. & Petry, N. M. (2013). A randomized study of cell phone technology to reinforce alcohol abstinence in the natural environment. Addiction, 108(5), 900-909. PMCID:PMC3662495. doi: 10.1111/add.12093.

Petry, N.M., Alessi, S.M., Marx, J., Austin, M. & Tardif, M. (2005). Vouchers versus prizes: Contingency management for treatment of substance abusers in community settings. Journal of Consulting and Clinical Psychology, 73, 1005-1014.

Petry, N.M., Martin, B. & Simcic, F. (2005). Prize reinforcement contingency management for cocaine dependence: Integration with group therapy in a methadone clinic. Journal of Consulting and Clinical Psychology, 73, 354-359.

Petry, N.M., Peirce, J.M., Sitizer, M.L., Blaine, J., Roll, J.M., et al. (2005).Effect of prize-based incentives on outcomes in stimulant abusers in outpatient psychosocial treatment programs: A national drug abuse treatment clinical trials network study. Archives of General Psychiatry, 62, 1148-1156. doi:10.1037/0893-164X.19.2.226.

Peirce, J.M., Petry, N.M., Stitzer, M.L. Blaine, J., Kellogg, S., Satterfield, F., et al. (2006). Effects of lower-cost incentives on stimulant abstinence in methadone maintenance treatment: A National Drug Abuse Treatment Clinical Trials Network study. Archives of General Psychiatry, 63, 201-208.

Alessi, S.M., Hanson, T., Weiners, M & Petry, N.M. (2007). Low-cost contingency management in community clinics: Delivering incentives partially in group therapy. Experimental and Clinical Psychopharmacology, 15, 293-300. doi:10.1037/1064-1297.15.3.293.

Tracy, K., Babuscio, T., Nich, C., Kiluk, B., Carroll, K.M., Petry, N.M., Rounsaville, B.J. (2007). Contingency management to reduce substance use in individuals who are homeless with co-occurring psychiatric disorders. American Journal of Drug and Alcohol Dependence, 33, 253-258.

Ledgerwood, D.M., Alessi, S.M., Hanson, T., Godley, M.D., & Petry, N.M. (2008). Contingency management for attendance to group substance abuse treatment administered by clinicians in community clinics. Journal of Applied Behavioral Analysis, 41, 517-526. PMCID: PMC2606605.

Petry, N. M., Weinstock, J., & Alessi, S. M. (2011). A randomized trial of contingency management delivered in the context of group counseling. Journal of Consulting and Clinical Psychology, 79(5), 686-696. PMCID: PMC Journal - In Progress.

Carroll, K. M., Nich, C., Lapaglia, D. M., Peters, E. N., Easton, C. J., Petry, N. M. (2012). Combining cognitive behavioral therapy and contingency management to enhance their effects in treating cannabis dependence: less can be more, more or less. Addiction, 107(9), 1650-1659. PMCID: PMC3509418. doi:10.111.j.1360-0443.2012.03877.x.

Montgomery, L., Petry, N. M., & Carroll, K. M. (2012). Moderating effects of race in clinical trial participation and outcomes among marijuana-dependent young adults. Drug and Alcohol Dependence, 126(3), 333-339. PMCID:PMC3501540. doi:/j.drugalcdep.2012.05.033.

Petry, N. M., Barry, D., Alessi, S. M., Rounsaville, B. J., Carroll, K. M. (2012). A randomized trial adapting contingency management targets based on initial abstinence status of cocaine-dependent patients. Journal of consulting and clinical psychology, 80 (2), 276-285. doi:/ 10.1037/a0026883 PMCID: PMC3668312.

Petry, N. M., & Carroll, K. M. (2013). Contingency management is efficacious in opioid-dependent outpatients not maintained on agonist pharmacotherapy. Psychology of Addictive Behaviors, 27(4), 1036-1043. PMCID:PMC4110951. doi:10.1037/a0032175 27.

Petry, N.M., Bickel, W.K., Tzanis, E., Taylor, R., Kubik E., Foster, M. & Hughes, M.E. (1998). A behavioral intervention for improving the verbal behaviors of heroin addicts in a treatment clinic. Journal of Applied Behavior Analysis, 31, 291-297.

Petry, N.M., Martin, B. & Finocche, C. (2001). Contingency management for group treatment: A demonstration project in an HIV drop-in center. Journal of Substance Abuse Treatment, 21, 89-96. doi:10.1016/S0740-5472(01)00184-2.

Petry, N.M., Martin, B. & Simcic, F. Jr. (2005). Prize reinforcement contingency management for cocaine dependence: Integration with group therapy in a methadone clinic. Journal of Consulting and Clinical Psychology, 73, 354-359. doi:10.1037/0022-006X.73.2.354.

Petry, N.M. & Martin, B. (2002). Lower-cost contingency management for treating cocaine- and opioid-abusing methadone patients. Journal of Consulting and Clinical Psychology, 70, 398-405.

Petry, N.M., Tedford, J. Austin, M., Nich, C., Carroll, K.M. & Rounsaville, B.J. (2004). Prize reinforcement contingency management for treating cocaine users: How low can we go, and with whom? Addiction, 99, 349-360.

Petry, N.M., Alessi, S.M., Marx, J., Austin, M. & Tardif, M. (2005). Vouchers versus prizes: Contingency management for treatment of substance abusers in community settings. Journal of Consulting and Clinical Psychology, 73, 1005-1014.

Petry, N.M., Martin, B. & Simcic, F. Jr. (2005). Prize reinforcement contingency management for cocaine dependence: Integration with group therapy in a methadone clinic. Journal of Consulting and Clinical Psychology, 73, 354-359.

Petry, N.M., Peirce, J.M., Sitizer, M.L., Blaine, J., Roll, J.M., et al. (2005). Effect of prize-based incentives on outcomes in stimulant abusers in outpatient psychosocial treatment programs: A national drug abuse treatment clinical trials network study. Archives of General Psychiatry, 62, 1148-1156. doi:10.1001/archpsyc.62.10.1148.

Peirce, J.M., Petry, N.M., Stitzer, M.L. Blaine, J., Kellogg, S., Satterfield, F., et al. (2006). Effects of lower-cost incentives on stimulant abstinence in methadone maintenance treatment: A National Drug Abuse Treatment Clinical Trials Network study. Archives of General Psychiatry, 63, 201-208.

Poling, J., Oliveto, A., Petry, N., Sofuoglu, M., Gonsai, K., Gonzalez, G., Martell, B. & Kosten, T. R. (2006). Six-month trial of bupropion with contingency management for cocaine dependence in a methadone-maintained population. Archives of General Psychiatry, 63, 219-228.

Roll, J.M., Petry, N.M., Stitzer, M.L., Brecht, M.L., Peirce, J.M., McCann, M.J., Blaine, J., Macdonald, M., Dimaria, J., Lucero, L. & Kellogg, S. (2006). Contingency management for the treatment of methamphetamine use disorders. American Journal of Psychiatry, 163, 1993-1999.

Killeen, T., Carter, Copersino, M. Petry, N.M., & Stitzer, M. (2007). Effectiveness of motivational incentives in stimulant abusing outpatients with different treatment histories. American Journal of Drug and Alcohol Abuse, 33, 129-137.

Petry, N.M., Alessi, S.M., Hanson, T. & Sierra, S. (2007). Randomized trial of contingent prizes versus vouchers in cocaine-using methadone patients. Journal of Consulting and Clinical Psychology, 75, 983-991.

Barry, D., Petry, N. M., & Alessi, S. M. (2009). Cocaine. In L. Cohen, F. L. Collins, A. M. Young, D. E. McChargue, T. R. Leffingwell, & K. L. Cook (Eds.), Pharmacology and Treatment of Substance Abuse: Evidence and Outcome Based Perspectives, (pp. 317-334). New York: Routledge.

Peirce, J.M., Petry, N.M., Roll, R.M., Kolodner, K., Krasansky, J., Stabile, P.Q., Brown, C., & Stitzer, M.L. (2009). Correlates of stimulant treatment outcome across treatment modalities. American Journal of Drug and Alcohol Abuse, 35, 48-53. PMCID: PMC2722066.

Rash, C.J., & Petry, N.M. (2009). Alcohol use and gender effects on HIV risk behaviors in cocaine using methadone patients. Neurobehavioral HIV Medicine, 1, 25-32. PMCID: PMC2917775.

Petry, N.M., Weinstock, J., Alessi, S.M., Lewis, M.W., & Dieckhaus, K. (2010). Group-based randomized trial of contingencies for health and abstinence in HIV patients. Journal of Consulting and Clinical Psychology, 78(1), 89-97. PMCID: PMC2813453.

Weinstock, J., Rash, C.J., & Petry, N.M. (2010). Contingency management for cocaine use in methadone maintenance patients: When does abstinence happen? Psychology of Addictive Behaviors, 24(2): 282-291. PMCID: PMC2891572.

Petry, N. M., Barry, D., Alessi, S. M., Rounsaville, B. J., Carroll, K. M. (2012). A randomized trial adapting contingency management targets based on initial abstinence status of cocaine-dependent patients. Journal of consulting and clinical psychology, 80 (2), 276-285. doi:/ 10.1037/a0026883 PMCID: PMC3668312.

Petry, N. M., Alessi, S. M., & Rash, C. J. (2013). A randomized study of contingency management in cocaine-dependent patients with severe and persistent mental health disorders. Drug and Alcohol Dependence, 130(1-3), 234-237. doi: 10.1016/j.drugalcdep.2012.10.017 PMCID:PMC3593793.

Rash, C. J., Andrade, L. F., & Petry, N. M. (2013). Income received during treatment does not affect response to contingency management treatments in cocaine-dependent outpatients. Drug and Alcohol Dependence, 132, 528-534. PMCID: PMC3742656.

Weiss, L., & Petry, N. M. (2013). Older methadone patients achieve greater durations of cocaine abstinence with contingency management than younger patients. American Journal on Addiction, 22(2), 119-126. doi:10.1111/j.1521-0391.2013.00306.x. PMCID:PMC3578439.

Walter, K. N., & Petry, N.M. (2015). Patients with diabetes respond well to contingency management treatment targeting alcohol and substance use. Psychology, Health & Medicine, 20, 916-926. PMCID: PMC4668112. doi:10.1080/13548506.2014.991334.

Burch, A. E., Rash, C. J., & Petry, N. M. (2015). Sex effects in cocaine-using methadone patients randomized to contingency management interventions. Experimental and Clinical Psychopharmacology, 23(4), 284-290. PMCID: PMC4525716.

Petry, N. M., Alessi, S. M., Barry, D., & Carroll, K. M. (2015). Standard magnitude prize reinforcers can be as efficacious as larger magnitude reinforcers in cocaine-dependent methadone patients. Journal of Counseling and Clinical Psychology, 83(3), 464-472. PMCID: PMC4362849. doi:10.1037/a0037888.

Carroll, K. M., Nich, C., Petry, N. M., Eagan, D. A., Shi, J. M. & Balls, S. A. (2016). A randomized factorial trial of disulfiram and contingency management to enhance cognitive behavioral therapy for cocaine dependence. Drug and Alcohol Dependence, 160, 135-142. PMCID: PMC4767616. doi:10.1016/j.drugalcdep.2015.12.036.

Petry, N.M., Martin, B., Cooney, J.L. & Kranzler, H.R. (2000). Give them prizes and they will come: Contingency management for the treatment of alcohol dependence. Journal of Consulting and Clinical Psychology, 68, 250-257.

Petry, N.M., Petrakis, I., Trevisan, L., Wiredu, L., Boutros, N., Martin, B. & Kosten, T.R. (2001). Contingency management interventions: From research to practice. American Journal of Psychiatry, 158, 694-702.

Alessi, S. M., Badger, G. J., & Higgins, S. T. (2004). An experimental examination of the initial weeks of abstinence in cigarette smokers. Experimental and Clinical Psychopharmacology, 12(4), 276-287.

Heil, S. H., Alessi, S. M., Lussier, J. P., Badger, G. J., & Higgins, S. T. (2004). An experimental test of the influence of prior cigarette smoking abstinence on future abstinence. Nicotine and Tobacco Research, 6(3), 471-479.

Petry, N.M., Tedford, J. Austin, M., Nich, C., Carroll, K.M. & Rounsaville, B.J. (2004). Prize reinforcement contingency management for treating cocaine users: How low can we go, and with whom? Addiction, 99, 349-360.

Petry, N.M., Alessi, S.M., Marx, J., Austin, M. & Tardif, M. (2005). Vouchers versus prizes: Contingency management for treatment of substance abusers in community settings. Journal of Consulting and Clinical Psychology, 73, 1005-1014.

Petry, N.M., Alessi, S.M., Carroll, K.M., Hanson, T., MacKinnon, S., Rounsaville, B. & Sierra, S. (2006). Contingency management treatments: Reinforcing abstinence versus adherence with goal-related activities. Journal of Consulting and Clinical Psychology, 74, 592-601.

Kadden, R.M., Litt, M.D., Kabela-Cormier, E. & Petry, N.M. (2007). Abstinence rates following behavioral treatments for marijuana dependence. Addictive Behaviors, 32, 1220-1236.

Stitzer, M.L., Peirce, J., Petry, N.M., Kirby, K., Roll, J., Krasnansky, J., Cohen, A., Blaine J., Vandrey, R., Kolodner, K., Li, R. (2007). Abstinence-based incentives in methadone maintenance: Interaction with intake stimulant test results. Experimental and Clinical Psychopharmacology, 15, 344-350.

Tracy, K., Babuscio, T., Nich, C., Kiluk, B., Carroll, K.M., Petry, N.M., Rounsaville, B.J. (2007). Contingency management to reduce substance use in individuals who are homeless with co-occurring psychiatric disorders. American Journal of Drug and Alcohol Dependence, 33, 253-258.

Alessi, S. M., Petry, N. M., & Urso, J. (2008). Contingency management promotes smoking reductions in residential substance abuse treatment patients. Journal of Applied Behavior Analysis, 41, 617-622. PMCID: PMC2606592.

Petry, N.M., Weinstock, J., Alessi, S.M., Lewis, M.W., & Dieckhaus, K. (2010). Group-based randomized trial of contingencies for health and abstinence in HIV patients. Journal of Consulting and Clinical Psychology, 78(1), 89-97. PMCID: PMC2813453.

Weinstock, J., Rash, C.J., & Petry, N.M. (2010). Contingency management for cocaine use in methadone maintenance patients: When does abstinence happen? Psychology of Addictive Behaviors, 24(2): 282-291. PMCID: PMC2891572.

Petry, N. M., & Roll, J. M. (2011). Amount of earnings during prize contingency management treatment is associated with posttreatment abstinence outcomes. Experimental and Clinical Psychopharmacology, 19(6), 445-450. PMCID: PMC3476725. doi:10.1037/a0024261.

Carroll, K. M., Nich, C., Lapaglia, D. M., Peters, E. N., Easton, C. J., Petry, N. M. (2012). Combining cognitive behavioral therapy and contingency management to enhance their effects in treating cannabis dependence: less can be more, more or less. Addiction, 107(9), 1650-1659. PMCID: PMC3509418. doi:10.111.j.1360-0443.2012.03877.x.

Montgomery, L., Petry, N. M., & Carroll, K. M. (2012). Moderating effects of race in clinical trial participation and outcomes among marijuana-dependent young adults. Drug and Alcohol Dependence, 126(3), 333-339. PMCID:PMC3501540. doi:/j.drugalcdep.2012.05.033.

Petry, N. M., Barry, D., Alessi, S. M., Rounsaville, B. J., Carroll, K. M. (2012). A randomized trial adapting contingency management targets based on initial abstinence status of cocaine-dependent patients. Journal of consulting and clinical psychology, 80 (2), 276-285. doi:/ 10.1037/a0026883 PMCID: PMC3668312.

Litt, M. D., Kadden, R. M., & Petry, N. M. (2013). Behavioral treatment for marijuana dependence: Randomized trial of contingency management and self-efficacy enhancement. Addictive Behaviors, 38(3), 1764-1765. doi:10.1016/j.addbeh.2012.08.011 PMCID:PMC3558664.

Petry, N. M., Alessi, S. M., & Rash, C. J. (2013). A randomized study of contingency management in cocaine-dependent patients with severe and persistent mental health disorders. Drug and Alcohol Dependence, 130(1-3), 234-237. doi: 10.1016/j.drugalcdep.2012.10.017 PMCID:PMC3593793.

Petry, N. M., & Carroll, K. M. (2013). Contingency management is efficacious in opioid-dependent outpatients not maintained on agonist pharmacotherapy. Psychology of Addictive Behaviors, 27, 1036-1043. PMCID: PMC4110951. doi:10.1037/a0032175.

Godley, M. D., Godley, S. H., Dennis, M. L., Funk, R. R., Passetti, L. L., & Petry, N. M. (2014). A randomized trial of assertive continuing care and contingency management for adolescents with substance use disorders. Journal of Consulting and Clinical Psychology, 82, 40-51. PMCID: PMC3938115.

Walter, K. N., & Petry, N.M. (2015). Patients with diabetes respond well to contingency management treatment targeting alcohol and substance use. Psychology, Health & Medicine, 20, 916-926. PMCID: PMC4668112. doi:10.1080/13548506.2014.991334.

Weiss, L. M., & Petry, N. M. (2014). Substance abuse treatment patients with early onset cocaine use respond as well to contingency management interventions as those with later onset cocaine use. Journal of Substance Abuse Treatment, 47, 146-150. doi:10.1016/j.jsat.2014.04.003. PMCID: PMC4074441.

Rash, C.J., & Petry, N.M. (2015). Contingency management treatments are equally efficacious for both sexes in intensive outpatient settings. Experimental and Clinical Psychopharmacology, 23(5), 369-376. PMCID: PMC4579001.

Carroll, K. M., Nich, C., Petry, N. M., Eagan, D. A., Shi, J. M. & Balls, S. A. (2016). A randomized factorial trial of disulfiram and contingency management to enhance cognitive behavioral therapy for cocaine dependence. Drug and Alcohol Dependence, 160, 135-142. PMCID: PMC4767616. doi:10.1016/j.drugalcdep.2015.12.036.

Rash, C. J., Burki, M., Montezuma-Rusca, J. M. & Petry, N. M. (2016). A retrospective and prospective analysis of trading sex for drugs or money in women in substance abuse treatment patients. Drug and Alcohol Dependence, 162, 182-189. PMCID: PMC4833529. doi:10.1016/j.drugalcdep.2016.03.006.

Rash, C. J., Alessi, S. M., & Petry, N.M. (2017). Substance abuse treatment patients in housing programs respond to contingency management interventions. Journal of Substance Abuse Treatment, 72, 97-102. PMCID: PMC5154858. doi: 10.1016/j.jsat.2016.07.001.

Kadden, R.M., Litt, M.D., Kabela-Cormier, E. & Petry, N.M. (2007). Abstinence rates following behavioral treatments for marijuana dependence. Addictive Behaviors, 32, 1220-1236.

Litt, M.D., Kadden, R.M., Kabela-Cormier, E., & Petry, N.M. (2008). Coping skills training and contingency management treatments for marijuana dependence: Exploring mechanisms of behavior change. Addiction, 103, 638–648. NIMHSID# 113190. Reprinted in Exartisis, 2008, 14, 53-72 (Greek).

Carroll, K. M., Nich, C., Lapaglia, D. M., Peters, E. N., Easton, C. J., Petry, N. M. (2012). Combining cognitive behavioral therapy and contingency management to enhance their effects in treating cannabis dependence: less can be more, more or less. Addiction, 107(9), 1650-1659. PMCID: PMC3509418. doi:10.111.j.1360-0443.2012.03877.x.

Montgomery, L., Petry, N. M., & Carroll, K. M. (2012). Moderating effects of race in clinical trial participation and outcomes among marijuana-dependent young adults. Drug and Alcohol Dependence, 126(3), 333-339. PMCID:PMC3501540. doi:/j.drugalcdep.2012.05.033.

Litt, M. D., Kadden, R. M., & Petry, N. M. (2013). Behavioral treatment for marijuana dependence: Randomized trial of contingency management and self-efficacy enhancement. Addictive Behaviors, 38(3), 1764-1765. doi:10.1016/j.addbeh.2012.08.011. PMCID:PMC3558664.

Petry, N.M. & Martin, B. (2002). Lower-cost contingency management for treating cocaine- and opioid-using methadone patients. Journal of Consulting and Clinical Psychology, 70, 398-405. doi:10.1037//0022-006X.70.2.398.

Petry, N.M., Tedford, J. Austin, M., Nich, C., Carroll, K.M. & Rounsaville, B.J. (2004). Prize reinforcement contingency management for treating cocaine users: How low can we go, and with whom? Addiction, 99, 349-360. PMCID: PMC3709247. doi:10.1046/j.1360-0443.2004.00642.x.

Petry, N.M., Alessi, S.M., Marx, J., Austin, M. & Tardif, M. (2005). Vouchers versus prizes: Contingency management for treatment of substance abusers in community settings. Journal of Consulting and Clinical Psychology, 73, 1005-1014. doi:10.1037/0022-006X.73.6.1005.

Petry, N.M., Peirce, J.M., Sitizer, M.L., Blaine, J., Roll, J.M., et al. (2005). Effect of prize-based incentives on outcomes in stimulant abusers in outpatient psychosocial treatment programs: A national drug abuse treatment clinical trials network study. Archives of General Psychiatry, 62, 1148-1156. doi:10.1001/archpsyc.62.10.1148.

Peirce, J.M., Petry, N.M., Stitzer, M.L. Blaine, J., Kellogg, S., Satterfield, F., et al. (2006). Effects of lower-cost incentives on stimulant abstinence in methadone maintenance treatment: A National Drug Abuse Treatment Clinical Trials Network study. Archives of General Psychiatry, 63, 201-208.

Petry, N.M., Alessi, S.M., Carroll, K.M., Hanson, T., MacKinnon, S., Rounsaville, B. & Sierra, S. (2006). Contingency management treatments: Reinforcing abstinence versus adherence with goal-related activities. Journal of Consulting and Clinical Psychology, 74, 592-601.

Tracy, K., Babuscio, T., Nich, C., Kiluk, B., Carroll, K.M., Petry, N.M., Rounsaville, B.J. (2007). Contingency management to reduce substance use in individuals who are homeless with co-occurring psychiatric disorders. American Journal of Drug and Alcohol Dependence, 33, 253-258.

Alessi, S. M., Rash, C., & Petry, N. M. (2011). Contingency management is efficacious and improves outcomes in cocaine patients with pretreatment marijuana use. Drug and Alcohol Dependence, 118(1), 62-67. PMCID: PMC3143207.

Byrne, S. A., & Petry, N. M. (2011). Concurrent alcohol dependence among methadone-maintained cocaine abusers is associated with greater abstinence. Experimental and Clinical Psychopharmacology, 19(2), 116-122. PMCID: PMC3072227.

Petry, N. M., Alessi, S. M., & Ledgerwood, D. M. (2012). Contingency management delivered by community therapists in outpatient settings. Drug and Alcohol Dependence, 122 (1-2), 86-92. PMCID: PMC3290694. doi:10.1016/j.drugalcdep.2011.09.015.

Petry, N. M., Ford, J. D., & Barry, D. (2011). Contingency management is especially efficacious in engendering long durations of abstinence in patients with sexual abuse histories. Psychology of Addictive Behaviors, 25(2), 293-300. PMCID: PMC3115563.

Petry, N. M., Rash, C. J., & Easton, C. J. (2011). Contingency management treatment in substance abusers with and without legal problems. Journal of the American Academy of Psychiatry and the Law, 39(3), 370-378. PMCID: PMC3616315.

Petry, N. M., Weinstock, J., & Alessi, S. M. (2011). A randomized trial of contingency management delivered in the context of group counseling. Journal of Consulting and Clinical Psychology, 79(5), 686-696. PMCID: PMC3722591. doi:10.1037/a0024813.

Petry, N. M., Alessi, S. M., & Ledgerwood, D. M. (2012). A randomized trial of contingency management delivered by community therapists. Journal of Consulting and Clinical Psychology, 80 (2), 286-298. PMCID: PMC3725552. doi:/10.1037/a0026826.

Petry, N. M., Barry, D., Alessi, S. M., Rounsaville, B. J., Carroll, K. M. (2012). A randomized trial adapting contingency management targets based on initial abstinence status of cocaine-dependent patients. Journal of consulting and clinical psychology, 80 (2), 276-285. doi:/ 10.1037/a0026883 PMCID: PMC3668312.

Rash, C. J., Alessi, S. M., & Petry, N.M. (2017). Substance abuse treatment patients in housing programs respond to contingency management interventions. Journal of Substance Abuse Treatment, 72, 97-102. PMCID: PMC5154858. doi: 10.1016/j.jsat.2016.07.001.

Rosen, M.I., Dieckhaus, K., McMahon, T.J., Petry, N.M., Valdes, B., Cramer, J., & Rounsaville, B.J. (2007). Improved adherence with contingency management. AIDS Patient Care and STDs, 21, 30-40.

Petry, N.M., Rash, C.J., Byrne, S., Ashraf, S., & White, W.B. (2012). Financial reinforcers for improving medication adherence: Findings from a Meta-analysis. American Journal of Medicine, 125(9), 888-896. doi:/10.1016.j.amjmed.2012.01.003 PMCID: PMC3432682.

Petry, N. M., Alessi, S. M., Byrne, S., & White, W. B. (2015). Reinforcing adherence to antihypertensive medications. The Journal of Clinical Hypertension, 17(1), 33-38. PMCID: PMC4293311. doi: 10.1111/jch.12441.

Carroll, K. M., Nich, C., Petry, N. M., Eagan, D. A., Shi, J. M. & Balls, S. A. (2016). A randomized factorial trial of disulfiram and contingency management to enhance cognitive behavioral therapy for cocaine dependence. Drug and Alcohol Dependence, 160, 135-142. PMCID: PMC4767616. doi:10.1016/j.drugalcdep.2015.12.036.

Alessi, S. M., Badger, G. J., & Higgins, S. T. (2004). An experimental examination of the initial weeks of abstinence in cigarette smokers. Experimental and Clinical Psychopharmacology, 12(4), 276-287.

Heil, S. H., Alessi, S. M., Lussier, J. P., Badger, G. J., & Higgins, S. T. (2004). An experimental test of the influence of prior cigarette smoking abstinence on future abstinence. Nicotine and Tobacco Research, 6(3), 471-479.

Alessi, S. M., Petry, N. M., & Urso, J. (2008). Contingency management promotes smoking reductions in residential substance abuse treatment patients. Journal of Applied Behavior Analysis, 41, 617-622. PMCID: PMC2606592.

Businelle, M.S., Rash, C.J., Burke, R.S., & Parker, J. D. (2009). Using vouchers to increase continuing care participation in veterans: Does magnitude matter? The American Journal on Addictions, 18(2), 122-129.

Hunt, Y.M., Rash, C.J., Burke, R.S. & Parker, J.D. (2010). Smoking cessation in recovery: A comparison of two different cognitive behavioral treatments. Addictive Disorders and Their Treatment, 9(2), 64-74.

Alessi, S. M., & Petry, N. M. (2014). Smoking reductions and increased self-efficacy in a randomized controlled trial of smoking abstinence-contingent incentives in residential substance abuse treatment patients. Nicotine and Tobacco Research, 16(11), 1436-1445. doi: 10.1093/ntr/ntu095.

Ledgerwood, D. M., Arfken, C. L., Petry, N. M., & Alessi, S. M. (2014). Prize contingency management for smoking cessation: A randomized trial. Drug and Alcohol Dependence, 140, 208-212. doi: 10.1016/j.drugalcdep.2014.03.032.

Dallery, J., Meredith, S. E., Jarvis, B. P., & Nuzzo, P. A. (2015). Internet-based group contingency management to promote smoking abstinence. Experimental and Clinical Psychopharmacology, 23, 176-183. PMCID: PMC4461474.

Alessi, S. M., Rash, C. J., & Petry, N. M. (2016). A randomized trial of adjunct mHealth abstinence reinforcement with transdermal nicotine and counseling for smoking cessation. Nicotine and Tobacco Research, ntw155. PMC Journal – In Progress. doi: 10.1093/ntr/ntw155.

Alessi, S. M. & Rash, C. J. (2017). Treatment satisfaction in a randomized clinical trial of mHealth smoking abstinence reinforcement. Journal of Substance Abuse Treatment, 72, 97-102. PMCID: PMC5154906. doi: 10.1016/j.jsat.2016.07.001.

Populations/Settings

Godley, S.H., Godley, M.D., Wright, K. L., Funk, R.R. & Petry, N.M. (2008). Contingent reinforcement of personal goal activities for adolescents with substance use disorders during post-residential continuing care. American Journal on Addictions, 17, 278-286. NIHMSID: NIHMS87367. doi:10.1080/10550490802138798.

Godley, M. D., Godley, S. H., Dennis, M. L., Funk, R. R., Passetti, L. L., & Petry, N. M. (2014). A randomized trial of assertive continuing care and contingency management for adolescents with substance use disorders. Journal of Consulting and Clinical Psychology, 82, 40-51. PMCID: PMC3938115.

Weinstock, J., Capizzi, J., Weber, S. M., Pescatello, L. S., & Petry, N. M. (2014). Exercise as an intervention for sedentary hazardous drinking college students: A pilot study. Mental Health and Physical Activity, 7, 55-62. PMCID: PMC4058428.

Petry, N.M., Petrakis, I., Trevisan, L., Wiredu, L., Boutros, N., Martin, B. & Kosten, T.R. (2001). Contingency management interventions: From research to practice. American Journal of Psychiatry, 158, 694-702.

Petry, N.M., Kelley, L., Brennan, M., Sierra, S. (2008). What happens when contingency management treatment ends: A tale of two clients. American Journal on Addictions, 17, 241-244. NIHMSID: NIHMS87371.

Adams, C. E., Rash, C. J., Burke, R. S., & Parker, J. D. (2012). Contingency management for patients with concurring disorders: Evaluation of a case study and recommendations for practitioners. Case Reports in Psychiatry, 2012. PMCID: PMC3420718. doi:10.1155/2012/731638.

Adams, C. E., Rash, C. J., Burke, R. S., & Parker, J. D. (2012). Contingency management for patients with concurring disorders: Evaluation of a case study and recommendations for practitioners. Case Reports in Psychiatry, 2012. PMCID: PMC3420718. doi:10.1155/2012/731638.

Petry, N. M., Alessi, S. M., & Rash, C. J. (2013). A randomized study of contingency management in cocaine-dependent patients with severe and persistent mental health disorders. Drug and Alcohol Dependence, 130(1-3), 234-237. doi: 10.1016/j.drugalcdep.2012.10.017 PMCID:PMC3593793.

Petry, N.M., Martin, B. & Simcic, F. Jr. (2005). Prize reinforcement contingency management for cocaine dependence: Integration with group therapy in a methadone clinic. Journal of Consulting and Clinical Psychology, 73, 354-359.

Alessi, S.M., Hanson, T., Weiners, M. & Petry, N.M. (2007). Low-cost contingency management in community clinics: Delivering incentives partially in group therapy. Experimental and Clinical Psychopharmacology, 15, 293-300. doi:10.1037/1064-1297.15.3.293.

Ledgerwood, D.M., Alessi, S.M., Hanson, T., Godley, M.D., & Petry, N.M. (2008). Contingency management for attendance to group substance abuse treatment administered by clinicians in community clinics. Journal of Applied Behavioral Analysis, 41, 517-526. PMCID: PMC2606605.

Petry, N.M., Weinstock, J., Alessi, S.M., Lewis, M.W., & Dieckhaus, K. (2010). Group-based randomized trial of contingencies for health and abstinence in HIV patients. Journal of Consulting and Clinical Psychology, 78(1), 89-97. PMCID: PMC2813453.

Petry, N.M., Bickel, W.K., Tzanis, E., Taylor, R., Kubik E., Foster, M. & Hughes, M.E. (1998). A behavioral intervention for improving the verbal behaviors of heroin addicts in a treatment clinic. Journal of Applied Behavior Analysis, 31, 291-297.

Petry, N.M. & Martin, B. (2002). Low-cost contingency management for treating cocaine- and opioid-using methadone patients. Journal of Consulting and Clinical Psychology, 70, 398-405. doi:10.1037//0022-006X.70.2.398.

Petry, N.M., Martin, B. & Simcic, F. Jr. (2005). Prize reinforcement contingency management for cocaine dependence: Integration with group therapy in a methadone clinic. Journal of Consulting and Clinical Psychology, 73, 354-359. doi:10.1037/0022-006X.73.2.354.

Peirce, J.M., Petry, N.M., Stitzer, M.L. Blaine, J., Kellogg, S., Satterfield, F., et al. (2006). Effects of lower-cost incentives on stimulant abstinence in methadone maintenance treatment: A National Drug Abuse Treatment Clinical Trials Network study. Archives of General Psychiatry, 63, 201-208.

Poling, J., Oliveto, A., Petry, N., Sofuoglu, M., Gonsai, K., Gonzalez, G., Martell, B. & Kosten, T. R. (2006). Six-month trial of bupropion with contingency management for cocaine dependence in a methadone-maintained population. Archives of General Psychiatry, 63, 219-228.

Petry, N.M., Alessi, S.M., Hanson, T. & Sierra, S. (2007). Randomized trial of contingent prizes versus vouchers in cocaine-using methadone patients. Journal of Consulting and Clinical Psychology, 75, 983-991.

Stitzer, M.L., Peirce, J., Petry, N.M., Kirby, K., Roll, J., Krasnansky, J., Cohen, A., Blaine J., Vandrey, R., Kolodner, K., Li, R. (2007). Abstinence-based incentives in methadone maintenance: Interaction with intake stimulant test results. Experimental and Clinical Psychopharmacology, 15, 344-350.

Weinstock, J., Alessi, S.M. & Petry, N.M. (2007). Regardless of psychiatric severity the addition of contingency management to standard treatment improves retention and drug use outcomes. Drug and Alcohol Dependence, 87, 288-296.

Barry, D., Weinstock, J., & Petry, N. M. (2008). Ethnic differences in HIV risk behaviors among methadone-maintained women receiving contingency management for cocaine use disorders. Drug and Alcohol Dependence, 98, 144-153. PMCID: PMC2614896.

Hanson, T., Alessi, S.M., & Petry. N.M. (2008). Contingency management reduces drug-related human immunodeficiency virus risk behaviors in cocaine-abusing methadone patients. Addiction, 103, 1187-1197. NIHMSID: NIHMS76695.

Rash, C.J., & Petry, N.M. (2009). Alcohol use and gender effects on HIV risk behaviors in cocaine-abusing methadone patients. Neurobehavioral HIV Medicine, 1, 25-32. PMCID: PMC2917775.

Weinstock, J., Rash, C.J., & Petry, N.M. (2010). Contingency management for cocaine abusers in methadone maintenance patients: When does abstinence happen? Psychology of Addictive Behaviors. PMCID: PMC2891572.

Byrne, S. A., & Petry, N. M. (2011). Concurrent alcohol dependence among methadone-maintained cocaine abusers is associated with greater abstinence. Experimental and Clinical Psychopharmacology, 19(2), 116-122. PMCID: PMC3072227.

Petry, N. M., & Roll, J. M. (2011). Amount of earnings during prize contingency management treatment is associated with posttreatment abstinence outcomes. Experimental and Clinical Psychopharmacology, 19(6), 445-450. PMCID: PMC3476725. doi:10.1037/a0024261.

Petry, N. M., Alessi, S. M., & Ledgerwood, D. M. (2012). Contingency management delivered by community therapists in outpatient settings. Drug and Alcohol Dependence, 122(1-2), 86-92. PMCID: PMC3290694. doi:10.1037/a0026826.

Weiss, L., & Petry, N. M. (2013). Older methadone patients achieve greater durations of cocaine abstinence with contingency management than younger patients. American Journal on Addiction, 22(2), 119-126. doi:10.1111/j.1521-0391.2013.00306.x. PMCID:PMC3578439.

Burch, A. E., Rash, C. J., & Petry, N. M. (2015). Sex effects in cocaine-using methadone patients randomized to contingency management interventions. Experimental and clinical psychopharmacology, 23(4), 284. PMCID: PMC4525716.

Petry, N. M., Alessi, S. M., Barry, D., & Carroll, K. M. (2015). Standard magnitude prize reinforcers can be as efficacious as larger magnitude reinforcers in cocaine-dependent methadone patients. Journal of Counseling and Clinical Psychology, 83(3), 464-472. PMCID: PMC4362849. doi:10.1037/a0037888.

Petry, N.M., Martin, B. & Finocche, C. (2001). Contingency management for group treatment: A demonstration project in an HIV drop-in center. Journal of Substance Abuse Treatment, 21, 89-96.

Alessi, S.M., Hanson, T., Weiners, M & Petry, N.M. (2007). Low-cost contingency management in community clinics: Delivering incentives partially in group therapy. Experimental and Clinical Psychopharmacology, 15, 293-300. doi:10.1037/1064-1297.15.3.293

Ledgerwood, D.M., Alessi, S.M., Hanson, T., Godley, M.D., & Petry, N.M. (2008). Contingency management for attendance to group substance abuse treatment administered by clinicians in community clinics. Journal of Applied Behavioral Analysis, 41, 517-526. PMCID: PMC2606605.

Petry, N. M., Weinstock, J., & Alessi, S. M. (2011). A randomized trial of contingency management delivered in the context of group counseling. Journal of Consulting and Clinical Psychology, 79(5), 686-696. PMCID: PMC3722591. doi:10.1037/a0024813.

Petry, N.M., Tedford, J. Austin, M., Nich, C., Carroll, K.M. & Rounsaville, B.J. (2004). Prize reinforcement contingency management for treating cocaine users: How low can we go, and with whom? Addiction, 99, 349-360.

Petry, N.M., Alessi, S.M., Marx, J., Austin, M. & Tardif, M. (2005). Vouchers versus prizes: Contingency management for treatment of substance abusers in community settings. Journal of Consulting and Clinical Psychology, 73, 1005-1014.

Petry, N.M., Peirce, J.M., Sitizer, M.L., Blaine, J., Roll, J.M., et al. (2005). Effect of prize-based incentives on outcomes in stimulant abusers in outpatient psychosocial treatment programs: A national drug abuse treatment clinical trial network study. Archives of General Psychiatry, 62, 1148-1156. doi:10.1001/archpsyc.62.10.1148.

Petry, N.M., Alessi, S.M., Carroll, K.M., Hanson, T., MacKinnon, S., Rounsaville, B. & Sierra, S. (2006). Contingency management treatments: Reinforcing abstinence versus adherence with goal-related activities. Journal of Consulting and Clinical Psychology, 74, 592-601.

Alessi, S.M., Hanson, T., Tardif, M. & Petry, N.M. (2007). Low-cost contingency management in community substance abuse treatment settings: A transition to delivering incentives in group therapy. Experimental and Clinical Psychopharmacology, 15, 293-300.

Stitzer, M., Petry, N., Peirce, J. Kirby, K., Killeen, T., Roll, J.M., Hamilton, J. Stabile, P.Q., Sterling, R., Brown, C., Kolodner,K., & Li, R. (2007). Effectiveness of abstinence-based incentives: Interaction with intake stimulant test results in drug abuse treatment patients. Journal of Consulting and Clinical Psychology, 75, 805-811.

Petry, N.M., Weinstock, J., Alessi, S.M., Lewis, M.W., & Dieckhaus, K. (2010). Group-based randomized trial of contingencies for health and abstinence in HIV patients. Journal of Consulting and Clinical Psychology, 78(1), 89-97.

Alessi, S. M., Rash, C., & Petry, N. M. (2011). Contingency management is efficacious and improves outcomes in cocaine patients with pretreatment marijuana use. Drug and Alcohol Dependence, 118(1), 62-67. PMCID: PMC3143207.

Petry, N. M., Alessi, S. M., & Ledgerwood, D. M. (2012). Contingency management delivered by community therapists in outpatient settings. Drug and Alcohol Dependence, 122(1-2), 86-92. PMCID: PMC3290694. doi:10.1037/a0026826.

Petry, N. M., Ford, J. D., & Barry, D. (2011). Contingency management is especially efficacious in engendering long durations of abstinence in patients with sexual abuse histories. Psychology of Addictive Behaviors, 25(2), 293-300. PMCID: PMC3115563.

Weiss, L. M., & Petry, N. M. (2011). Interaction effects of age and contingency management treatments in cocaine-dependent outpatients. Experimental and Clinical Psychopharmacology, 19(2), 173-181. PMCID: PMC3121106.

Olmstead, T. A., Cohen, J. P., & Petry, N. M. (2012). Healthcare service utilization in substance abusers receiving contingency management and standard care treatments. Addiction, 107(8), 1462-1470. PMCID: PMC3634865. doi:10.1111/j.1360-0443.1012.03831.x.

Petry, N. M., Barry, D., Alessi, S. M., Rounsaville, B. J., Carroll, K. M. (2012). A randomized trial adapting contingency management targets based on initial abstinence status of cocaine-dependent patients. Journal of consulting and clinical psychology, 80 (2), 276-285. PMCID: PMC Journal - in progress.

Montgomery, L., Petry, N. M., & Carroll, K. M. (2012). Moderating effects of race in clinical trial participation and outcomes among marijuana-dependent young adults. Drug and Alcohol Dependence, 126(3), 333-339. PMCID:PMC3501540. doi:/j.drugalcdep.2012.05.033.

Petry, N. M., & Carroll, K. M. (2013). Contingency management is efficacious in opioid-dependent outpatients not maintained on agonist pharmacotherapy. Psychology of Addictive Behaviors, [Epub ahead of print].

Rash, C. J., Andrade, L. F., & Petry, N. M. (2013). Income received during treatment does not affect response to contingency management treatments in cocaine-dependent outpatients. Drug and Alcohol Dependence, 132, 528-534. PMCID: PMC3742656.

Weiss, L. M., & Petry, N. M. (2014). Substance abuse treatment patients with early onset cocaine use respond as well to contingency management interventions as those with later onset cocaine use. Journal of Substance Abuse Treatment, 47, 146-150. doi:10.1016/j.jsat.2014.04.003. PMCID: PMC4074441.

Walter, K. N., & Petry, N.M. (2014). Patients with diabetes respond well to contingency management treatment targeting alcohol and substance use. Psychology, Health & Medicine. Epub ahead of print. PMID: 25531935

Rash, C.J., & Petry, N.M. (2015). Contingency Management Treatments Are Equally Efficacious for Both Sexes in Intensive Outpatient Settings. Experimental and Clinical Psychopharmacology, 23(5), 369-376. PMCID: PMC4579001.

Carroll, K. M., Nich, C., Petry, N. M., Eagan, D. A., Shi, J. M. & Balls, S. A. (2016). A randomized factorial trial of disulfiram and contingency management to enhance cognitive behavioral therapy for cocaine dependence. Drug and Alcohol Dependence, 160, 135-142. PMCID: PMC4767616. doi:10.1016/j.drugalcdep.2015.12.036.

Rash, C. J., Burki, M., Montezuma-Rusca, J. M. & Petry, N. M. (2016). A retrospective and prospective analysis of trading sex for drugs or money in women in substance abuse treatment patients. Drug and Alcohol Dependence, 162, 182-189. PMCID: PMC4833529. doi:10.1016/j.drugalcdep.2016.03.006.

Rash, C. J., Alessi, S. M., & Petry, N.M. (2017). Substance abuse treatment patients in housing programs respond to contingency management interventions. Journal of Substance Abuse Treatment, 72, 97-102. PMCID: PMC5154858. doi: 10.1016/j.jsat.2016.07.001.

Alessi, S. M., Petry, N. M., & Urso, J. (2008). Contingency management promotes smoking abstinence in residential substance abuse treatment patients. Journal of Applied Behavior Analysis, 41, 617-622. PMCID: PMC2606592.

Businelle, M.S., Rash, C.J., Burke, R.S., & Parker, J. (2009). Using vouchers to increase continuing care participation in veterans: Does magnitude matter? The American Journal on Addictions, 18(2), 122-129.

Hunt, Y.M., Rash, C.J., Burke, R.S. & Parker, J.D. (in press). Smoking cessation in recovery: A comparison of two different cognitive behavioral treatments. Addictive Disorders & Treatment.

Alessi, S. M., & Petry, N. M. (2014). Smoking reductions and increased self-efficacy in a Randomized Controlled Trial of smoking abstinence-contingent incentives in residential substance abuse treatment patients. Nicotine and Tobacco Research, 16(11), 1436-1445. doi: 10.1093/ntr/ntu095.

Drebing, C.E., Van Ormer, E.A., Mueller, L., Hebert, M., Penk, W., Petry, N.M., Rosenheck, R., & Rounsaville, B.J. (2007). Adding a contingency management intervention to vocational rehabilitation: Outcomes for dually diagnosed veterans. Journal of Disability and Rehabilitation Research and Development, 44, 851-866.

Businelle, M.S., Rash, C.J., Burke, R.S., & Parker, J. (2009). Using vouchers to increase continuing care participation in veterans: Does magnitude matter? The American Journal on Addictions, 18(2), 122-129.

Hunt, Y.M., Rash, C.J., Burke, R.S. & Parker, J.D. (in press). Smoking cessation in recovery: A comparison of two different cognitive behavioral treatments. Addictive Disorders & Treatment.

Barry, D., Weinstock, J., & Petry, N. M. (2008). Ethnic differences in HIV risk behaviors among methadone-maintained women receiving contingency management for cocaine use disorders. Drug and Alcohol Dependence, 98, 144-153. PMCID: PMC2614896.

Rash, C.J., & Petry, N.M. (2009). Effects of gender and alcohol use on HIV risk behaviors in cocaine-abusing methadone patients. Neurobehavioral HIV Medicine, 1, 25-32. PMCID: PMC2917775.

Burch, A. E., Rash, C. J., & Petry, N. M. (2015). Sex effects in cocaine-using methadone patients randomized to contingency management interventions. Experimental and clinical psychopharmacology, 23(4), 284. PMCID: PMC4525716.

Rash, C.J., & Petry, N.M. (2015). Contingency Management Treatments Are Equally Efficacious for Both Sexes in Intensive Outpatient Settings. Experimental and Clinical Psychopharmacology, 23(5), 369-376. PMCID: PMC4579001.

Rash, C. J., Burki, M., Montezuma-Rusca, J. M. & Petry, N. M. (2016). A retrospective and prospective analysis of trading sex for drugs or money in women in substance abuse treatment patients. Drug and Alcohol Dependence, 162, 182-189. PMCID: PMC4833529. doi:10.1016/j.drugalcdep.2016.03.006.

Petry, N. M., Barry, D., Pescatello, L., & White, W. B. (2011). A low-cost reinforcement procedure improves short-term weight loss outcomes. American Journal of Medicine, 124(11), 1082-1085. PMCID: PMC3200484.

Byrne, S., Barry, D., Petry, N. M. (2012). Predictors of weight loss success. Exercise vs. dietary self-efficacy and treatment attendance. Appetite, 58(2), 695-698. PMCID: PCM Journal - in Progress.

Petry, N. M., Andrade, L. F., Barry, D., & Byrne, S. (2013). A randomized study of reinforcing ambulatory exercise in older adults. Psychology and Aging, 28, 1164-1173. PMCID: PMC3966185.

Petry, N. M., Cengiz, E., Wagner, J. A., Hood, K. K., Carria, L., & Tamborlane, W. V. (2013). Incentivizing behaviour change to improve diabetes care. Diabetes, Obesity and Metabolism, [Epub ahead of print] doi:10.1111/dom.12111.

Andrade, L. F., Barry, D., Litt, M. D. & Petry N. M. (2014). Maintaining high activity levels in sedentary adults with a reinforcement-thinning schedule. Journal of Applied Behavior Analysis, 47, 523-536. PMCID: PMC4778539. doi:10.1002/jaba/147.

Weinstock, J., Capizzi, J., Weber, S. M., Pescatello, L. S., & Petry, N. M. (2014). Exercise as an intervention for sedentary hazardous drinking college students: A pilot study. Mental Health and Physical Activity, 7, 55-62. PMCID: PMC4058428.

Petry, N.M., Cengiz, E., Wager, J., Weyman, K., Tichy, E., & Tamborlane, W.V. (2015). Testing for Rewards: A Pilot Study to Improve Type 1 Diabetes Management in Adolescents. Diabetes Care, Epub ahead of print.

Carroll, K. M., Nich, C., Petry, N. M., Eagan, D. A., Shi, J. M., & Ball, S. A. (2016). A randomized factorial trial of disulfiram and contingency management to enhance cognitive behavioral therapy for cocaine dependence. Drug and Alcohol Dependence, 160, 135-142. PMCID: PMC4767616. doi: 10.1016/j.drugalcdep.2015.12.036.

Weinstock, J., & Petry, N. M. (2016). Framing financial incentives to increase physical activity among overweight and obese adults. Annals of Internal Medicine, 165(8), 599. doi: 10.7326/L16-0281.

Secondary Outcomes and Special Issues

Ledgerwood, D.M. & Petry, N.M. (2006). Does contingency management affect motivation to change substance use? Drug and Alcohol Dependence, 83, 65-72.

Petry, N.M., Kolodner, K.B., Li, R., Peirce, J.M., Roll, J.M., Stitzer, M.L. & Hamilton, J.A. (2006). Prize-based contingency management does not increase gambling. Drug and Alcohol Dependence, 83, 269-273. doi:10.1016/j.drugalcdep.2005.11.023

Petry, N.M., Alessi, S.M. & Hanson, T. (2007). Contingency management improves abstinence and quality of life in substance abusers. Journal of Consulting and Clinical Psychology, 75, 307-315.

Hanson, T., Alessi, S.M., & Petry. N.M. (2008). Contingency management reduces drug-related human immunodeficiency virus risk behaviors in cocaine-abusing methadone patients. Addiction, 103, 1187-1197. NIHMSID: NIHMS76695.

Rash, C.J., Olmstead, T., & Petry, N.M. (2009). Income does not affect response to contingency management treatments in community substance abuse treatment-seekers. Drug and Alcohol Dependence, 104, 249-253. PMCID: PMC2746932.

Rash, C.J., & Petry, N.M. (2009). Alcohol use and gender effects on HIV risk behaviors in cocaine-abusing methadone patients. Neurobehavioral HIV Medicine, (1), 25-32.

Petry, N. M., Alessi, S. M. (2010). Prize-based contingency management is efficacious in cocaine-abusing patients with and without recent gambling participation. Journal of Substance Abuse Treatment, 39(3), 282-288. PMCID: PMC2937065.

Weinstock, J., Rash, C. J., Petry, N. M. (2010). Contingency management for cocaine use in methadone maintenance patients: When does abstinence happen? Psychology of Addictive Behaviors, 24(2), 282-291. PMCID: PMC2891572.

Andrade, L. F., Alessi, S. M., & Petry, N. M. (2012). The impact of contingency management on quality of life among cocaine abusers with and without alcohol dependence. American Journal on Addictions, 21(1), 47-54. PMCID: PMC Journal - in progress.

Montgomer, L., Petry, N. M., & Carroll, K. M. (2012). Moderating effects of race in clinical trial participation and outcomes among marijuana-dependent young adults. Drug and Alcohol Dependence, 126(3), 333-339. doi:/j.drugalcdep.2012.05.033 PMCID:PMC3501540.

Olmstead, T. A., Cohen, J. P., & Petry, N. M. (2012). Healthcare service utilization in substance abusers receiving contingency management and standard care treatments. Addiction, 107(8), 1462-1470. doi:/10.1111/j.1360-0443.2012.03831.x PMCID:PMC3634865.

Andrade, L. F., Carroll, K. M., & Petry, N. M. (2013). Marijuana use is associated with risky sexual behaviors in treatment-seeking polysubstance abusers. American Journal of Drug and Alcohol Abuse, 39, 266-271. PMCID: PMC3793248.

Petry, N. M., Alessi, S. M., & Rash, C. J. (2013). Contingency management treatments decrease psychiatric symptoms. Journal of Consulting and Clinical Psychology, [Epub ahead of print].

Petry, N. M., Alessi, S. M., & Rash, C. J. (2013). Contingency management treatments decrease psychiatric symptoms. Journal of Consulting and Clinical Psychology, 81(5), 926-931. PMCID: PMC3880674. doi: 10.1037/a0032499.

Petry, N. M., Andrade, L. F., Rash, C. J., & Cherniack, M. G. Engaging in job-related activities is associated with reductions in employment problems and improvements in quality of life in substance abusing patients. Psychology of Addictive Behaviors [Epub ahead of print].

Rash, C. J., Andrade, L. F., & Petry, N. M. (2013). Income received during treatment does not affect response to contingency management treatments in cocaine-dependent outpatients. Drug and Alcohol Dependence, 132, 528-534. PMCID: PMC3742656.

Weiss, L., & Petry, N. M. (2013). Older methadone patients achieve greater durations of cocaine abstinence with contingency management than younger patients. American Journal on Addiction, 22(2), 119-126. doi:10.1111/j.1521-0391.2013.00306.x. PMCID:PMC3578439.

Petry, N. M., Andrade, L. F., Rash, C. J., & Cherniack, M. G. Engaging in job-related activities is associated with reductions in employment problems and improvements in quality of life in substance abusing patients. Psychology of Addictive Behaviors [Epub ahead of print].

Petry, N. M., Andrade, L. F., Rash, C. J., & Cherniack, M. G. Engaging in job-related activities is associated with reductions in employment problems and improvements in quality of life in substance abusing patients. Psychology of Addictive Behaviors [Epub ahead of print].

Walter, K. N., & Petry, N.M. (2014). Patients with diabetes respond well to contingency management treatment targeting alcohol and substance use. Psychology, Health & Medicine. Epub ahead of print. PMID: 25531935.

Weiss, L. M., & Petry, N. M. (2014). Substance abuse treatment patients with early onset cocaine use respond as well to contingency management interventions as those with later onset cocaine use. Journal of Substance Abuse Treatment, 47, 146-150. doi:10.1016/j.jsat.2014.04.003. PMCID: PMC4074441.

Burch, A. E., Rash, C. J., & Petry, N. M. (2015). Sex effects in cocaine-using methadone patients randomized to contingency management interventions. Experimental and Clinical Psychopharmacology, 23(4), 284-. PMCID: PMC4525716.

Burch, A. E., Morasco, B. J., & Petry, N. M. (2015). Patients undergoing substance abuse treatment and receiving financial assistance for a physical disability respond well to contingency management treatment. Journal of substance abuse treatment. PMCID: PMC Journal in Progress.

Montgomery, L., Carroll, K.M., & Petry, N.M. (2015). Initial abstinence status and contingency management treatment outcomes: Does race matter? Journal of Consulting and Clinical Psychology, 83, 473-81. PMCID: PMC4446159 doi:10.1037/a0039021.

Rash, C.J., & Petry, N.M. (2015). Contingency Management Treatments Are Equally Efficacious for Both Sexes in Intensive Outpatient Settings. Experimental and Clinical Psychopharmacology, 23(5), 369-376. PMCID: PMC4579001.

Rash, C. J., Burki, M., Montezuma-Rusca, J. M. & Petry, N. M. (2016). A retrospective and prospective analysis of trading sex for drugs or money in women in substance abuse treatment patients. Drug and Alcohol Dependence, 162, 182-189. PMCID: PMC4833529. doi:10.1016/j.drugalcdep.2016.03.006.

Rash, C. J., Alessi, S. M., & Petry, N.M. (2017). Substance abuse treatment patients in housing programs respond to contingency management interventions. Journal of Substance Abuse Treatment, 72, 97-102. PMCID: PMC5154858. doi: 10.1016/j.jsat.2016.07.001.

Alessi, S. M. & Rash, C. J. (2017). Treatment satisfaction in a randomized clinical trial of mHealth smoking abstinence reinforcement. Journal of Substance Abuse Treatment, 72, 97-102. PMCID: PMC5154906. doi: 10.1016/j.jsat.2016.07.001.

Examining Predictors of Outcomes

Heil, S. H., Alessi, S. M., Lussier, J. P., Badger, G. J., & Higgins, S. T. (2004). An experimental test of the influence of prior cigarette smoking abstinence on future abstinence. Nicotine and Tobacco Research, 6(3), 471-479.

Ford, J., Hawke, J., Alessi, S.M., Ledgerwood, D., & Petry, N.M. (2007). Psychological trauma and post-traumatic stress symptoms as predictors of substance dependence treatment outcomes. Behavior Research and Therapy, 45, 2417-2431.

Killeen, T., Carter, Copersino, M. Petry, N.M., & Stitzer, M. (2007). Effectiveness of motivational incentives in stimulant abusing outpatients with different treatment histories. American Journal of Drug and Alcohol Abuse, 33, 129-137.

Stitzer, M.L., Peirce, J., Petry, N.M., Kirby, K., Roll, J., Krasnansky, J., Cohen, A., Blaine J., Vandrey, R., Kolodner, K., Li, R. (2007). Abstinence-based incentives in methadone maintenance: Interaction with intake stimulant test results. Experimental and Clinical Psychopharmacology, 15, 344-350.

Stitzer, M., Petry, N., Peirce, J. Kirby, K., Killeen, T., Roll, J.M., Hamilton, J. Stabile, P.Q., Sterling, R., Brown, C., Kolodner,K., & Li, R. (2007). Effectiveness of abstinence-based incentives: Interaction with intake stimulant test results in drug abuse treatment patients. Journal of Consulting and Clinical Psychology, 75, 805-811.

Weinstock, J., Alessi, S.M. & Petry, N.M. (2007). Regardless of psychiatric severity the addition of contingency management to standard treatment improves retention and drug use outcomes. Drug and Alcohol Dependence, 87, 288-296.

Barry, D., Weinstock, J., & Petry, N. M. (2008). Ethnic differences in HIV risk behaviors among methadone-maintained women receiving contingency management for cocaine use disorders. Drug and Alcohol Dependence, 98, 144-153. PMCID: PMC2614896.

Petry, N.M., Lewis, M.W., & Ostvik-White, E. (2008). Participation in religious activities during contingency management intervention is associated with treatment outcomes. American Journal on Addictions, 17, 408-413. NIHMSID: NIHMS76697.

Rash, C. J., Alessi, S. M., & Petry, N. M. (2008). Cocaine abusers with and without alcohol dependence respond equally well to contingency management treatments. Experimental and Clinical Psychopharmacology, 16(4), 547-554. NIHMSID: NIHMS 76696.

Rash, C. J., Alessi, S. M., & Petry, N. M. (2008). Contingency management is efficacious for cocaine abusers with prior treatment attempts. Experimental and Clinical Psychopharmacology, 16(6), 547-554. NIHMSID: NIHMS87370.

Weinstock, J., Barry, D., & Petry, N. M. (2008). Exercise-related activities are associated with positive outcome in contingency management treatment for substance use disorders. Addictive Behaviors, 33, 1072-1075. PMCID: PMC2488402.

Barry, D., Sullivan, B., & Petry, N. M. (2009). Comparable efficacy of contingency management for cocaine dependence in African American, Hispanic and White methadone maintenance clients. Psychology of Addictive Behaviors, 23, 168-174. PMCID: PMC2796365.

Rash, C.J., Olmstead, T., & Petry, N.M. (2009). Income does not affect response to contingency management treatments in community substance abuse treatment-seekers. Drug and Alcohol Dependence, 104, 249-253. PMCID: PMC2746932.

Petry, N. M., Alessi, S. M. (2010). Prize-based contingency management is efficacious in cocaine-abusing patients with and without recent gambling problems. Journal of Substance Abuse Treatment, 39(3), 282-288. PMCID: PMC2937065.

Weinstock, J., Rash, C. J., Petry, N. M. (2010). Contingency management for cocaine use in methadone maintenance patients: When does abstinence happen? Psychology of Addictive Behaviors, 24(2), 282-291. PMCID: PMC2891572.

Alessi, S. M., Rash, C., & Petry, N. M. (2011). Contingency management is efficacious and improves outcomes in cocaine patients with pretreatment marijuana use. Drug and Alcohol Dependence, 118(1), 62-67. PMCID: PMC3143207.

Byrne, S. A., & Petry, N. M. (2011). Concurrent alcohol dependence among methadone-maintained cocaine abusers is associated with greater abstinence. Experimental and Clinical Psychopharmacology, 19(2), 116-122. PMCID: PMC3072227.

Petry, N. M., Ford, J. D., & Barry, D. (2011). Contingency management is especially efficacious in engendering long durations of abstinence in patients with sexual abuse histories. Psychology of Addictive Behaviors, 25(2), 293-300. PMCID: PMC3115563.

Petry, N. M., Rash, C. J., & Easton, C. J. (2011). Contingency management treatment in substance abusers with and without legal problems. Journal of the American Academy of Psychiatry and the Law, 39(3), 370-378.

Petry, N. M., & Roll, J. M. (2011). Amount of earnings during prize contingency management treatment is associated with posttreatment abstinence outcomes. Experimental and Clinical Psychopharmacology, 19(6), 445-450.

Weiss, L. M., & Petry, N. M. (2011). Interaction effects of age and contingency management treatments in cocaine-dependent outpatients. Experimental and Clinical Psychopharmacology, 19(2), 173-181. PMCID: PMC3121106.

Byrne, S., Barry, D., Petry, N. M. (2012). Predictors of weight loss success. Exercise vs. dietary self-efficacy and treatment attendance. Appetite, 58(2), 695-698.

Montgomery, L., Petry, N. M., & Carroll, K. M. (2012). Moderating effects of race in clinical trial participation and outcomes among marijuana-dependent young adults. Drug and Alcohol Dependence, 126(3), 333-339. PMCID:PMC3501540. doi:/j.drugalcdep.2012.05.033.

Rash, C. J., Andrade, L. F., & Petry, N. M. (2013). Income received during treatment does not affect response to contingency management treatments in cocaine-dependent outpatients. Drug and Alcohol Dependence, 132, 528-534. PMCID: PMC3742656.

Montgomery, L., Carroll, K.M., & Petry, N.M. (2015). Initial abstinence status and contingency management treatment outcomes: Does race matter? Journal of Consulting and Clinical Psychology, 83, 473-81. PMCID: PMC4446159 doi:10.1037/a0039021.

Rash, C. J., Burki, M., Montezuma-Rusca, J. M. & Petry, N. M. (2016). A retrospective and prospective analysis of trading sex for drugs or money in women in substance abuse treatment patients. Drug and Alcohol Dependence, 162, 182-189. PMCID: PMC4833529. doi:10.1016/j.drugalcdep.2016.03.006.

Rash, C. J., Alessi, S. M., & Petry, N.M. (2017). Substance abuse treatment patients in housing programs respond to contingency management interventions. Journal of Substance Abuse Treatment, 72, 97-102. PMCID: PMC5154858. doi: 10.1016/j.jsat.2016.07.001.

Alessi, S. M. & Rash, C. J. (2017). Treatment satisfaction in a randomized clinical trial of mHealth smoking abstinence reinforcement. Journal of Substance Abuse Treatment, 72, 97-102. PMCID: PMC5154906. doi: 10.1016/j.jsat.2016.07.001.

Methodological Issues

Rounsaville, B.J., Petry, N.M. & Carroll, K.M. (2003). Single versus multiple drug focus in substance abuse clinical trials research. Drug and Alcohol Dependence, 70, 117-125. PMCID: OMC3662471. doi:10.1016/S0376-8716(03)00033-4.

Petry, N.M., Kolodner, K.B., Li, R., Peirce, J.M., Roll, J.M., Stitzer, M.L. & Hamilton, J.A. (2006). Prize-based contingency management does not increase gambling. Drug and Alcohol Dependence, 83, 269-273. doi:10.1016/j.drugalcdep.2005.11.023.

Husky, M.M., Mazure, C. M., Carroll, K. M., Barry, D., & Petry, N. M. (2008). Using the experience sampling method in the context of contingency management for substance abuse treatment. Journal of Applied Behavior Analysis, 41, 635-644. PMCID: PMC2606607.

Petry, N.M., Roll, J.M., Rounsaville, B.J., Ball, S.A., Stitzer, M.L., Pierce, J.M., Blaine, J., Kirby, K., McCarty, D., Carroll, K.M. (2008) Serious adverse events in randomized psychosocial treatment trials: Safety or arbitrary edicts? Journal of Consulting and Clinical Psychology, 76, 1076-1082. PMCID: PMC2756150. doi:10.1037/a0013679.

Alessi, S. M. & Petry, N. M. (2013). A randomized study of cell phone technology to reinforce alcohol abstinence in the natural environment. Addiction, 108(5), 900-909. doi: 10.1111/add.12093 PMCID: PMC3662495.

Andrade, L. F., Barry, D., Litt, M. D. & Petry N. M. (2014). Maintaining high activity levels in sedentary adults with a reinforcement-thinning schedule. Journal of Applied Behavior Analysis, 47, 523-536. PMCID: PMC4778539. doi:10.1002/jaba/147.

Weinstock, J., & Petry, N. M. (2016). Framing financial incentives to increase physical activity among overweight and obese adults. Annals of Internal Medicine, 165(8), 599. doi: 10.7326/L16-0281.

Cost-effectiveness

Olmstead, T., Sindelar, J., & Petry, N.M. (2007). Clinic variation in the cost-effectiveness of contingency management. American Journal on Addictions, 16, 457-460. PMCID: PMC3072219. doi:10.1080/10550490701643062.

Olmstead, T.A., Sindelar, J.L. & Petry, N.M. (2007). Cost-effectiveness of prize-based incentives for stimulant abusers in outpatient psychosocial treatment programs. Drug and Alcohol Dependence, 87, 175-182. PMCID: PMC1950254. doi:10.1016/j.drugalcdep.2006.08.012.

Sindelar, J., Ebel, B. & Petry, N.M. (2007). What do we get what for our money? Cost-effective analyses of adding contingency management. Addiction, 12, 309-316. doi: 10.1111/j.1360-0443.2006.01689.x.

Training in Contingency Management

Petry, N. M., Alessi, S. M., Ledgerwood, D. M., Sierra, S. (2010). Psychometric properties of the contingency management competence scale. Drug and Alcohol Dependence, 109 (1-3), 67-74. PMCID: PMC2875270. doi: 10.1016/j.drugalcdep.2009.12.027.

Carroll, K. M., Ball, S. A., Jackson, R., Martino, S., Petry, N. M., Stitzer, M. L., et al. (2011). Ten take home lessons from the first 10 years of the CTN and 10 recommendations for the future. The American Journal of Drug and Alcohol Abuse, 37(5), 275-282. PMCID: PMC3232679.

Kirby, K. C., Carpenedo, C. M., Stitzer, M. L., Dugosh, K. L., Petry, N. M., Roll, J. M., et al. (2011). Is exposure to an effective contingency management intervention associated with more positive provider beliefs? Journal of Substance Abuse Treatment, 42(4), 356-365. PMCID: PMC3319812.

Petry, N. M., Alessi, S. M., & Ledgerwood, D. M. (2012). Contingency management delivered by community therapists in outpatient settings. Drug and Alcohol Dependence, 122(1-2), 86-92. PMCID: PMC3290694. doi:10.1037/a0026826.

Petry, N. M. (2012). Contingency management for substance abuse treatment: A guide to implementing evidence-based practice. New York, NY, US: Routledge/Taylor & Francis Group.

Petry, N. M., Alessi, S. M., & Ledgerwood, D. M. (2012). A randomized trial of contingency management delivered by community therapists. Journal of Consulting and Clinical Psychology, 80 (2), 286-298. PMCID: PMC3725552. doi:10.1037.a0026826.

Rash, C. J., Petry, N. M., Kirby, K. C., Martino, S., Roll, J., & Stitzer, M. L. (2012). Identifying provider beliefs related to contingency management adoption using the contingency management beliefs questionnaire. Drug and Alcohol Dependence, 121(3), 205-212. doi:/10.1016/j.drugalcdep.2011.08.027 PMCID: PMC3243803.

Rash, C.J., DePhilippis, D., McKay, J. R., Drapkin, M. & Petry, N. M. (2013). Training workshops positively impact beliefs about contingency management in a nationwide dissemination effort. Journal of Substance Abuse Treatment, 45(3), 306-312. PMCID: PMC3713411. doi:10.1016/j.jsat.2013.03.003.

Petry, N. M., DePhilippis, D., Rash, C. J., Drapkin, M., & McKay, J. R. (2014). Nationwide dissemination of contingency management: The Veterans Administration initiative. American Journal on Addictions, 23(3), 205-210. PMCID: 3986725.

Becker, S. J., Squires, D. D., Strong, D. R., Barnett, N. P., Monti, P. M. & Petry, N. M. (2015). Training opiate addiction treatment providers to adopt contingency management: A prospective pilot trial of a comprehensive implementation science approach. Substance Abuse, 37, 134-140. PMCID: PMC4847430. doi:10.1080/08897077.2015.1129524.

Rash, C.J., & Petry, N.M. (2015). Contingency management treatments are equally efficacious for both sexes in intensive outpatient settings. Experimental and Clinical Psychopharmacology, 23(5), 369-376. PMCID: PMC4579001. doi:10.1037/pha0000035.

Becker, S. J., Squires, D. D., Strong, D. R., Barnett, N. P., Monti, P. M., & Petry, N. M. (2016). Training opiate addiction treatment providers to adopt contingency management: A prospective pilot trial of a comprehensive implementation science approach. Substance Abuse, 37, 134-140. PMCID: PMC4847430. doi: 10.1080/08897077.2015.1129524.