Darren Christensen Publications

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2023

McGrath DS, Williams RJ, Rothery B, Belanger YD, Christensen DR, El-Guebaly N, Hodgins DC, Nicoll F, Shaw CA, Smith GJ, Stevens RMG. (2023). Problem gambling severity, gambling behavior, substance use, and mental health in gamblers who do and do not use cannabis: Evidence from a Canadian national sample. Addict Behav. 137:107520.

2022

Christensen DR, Nicoll F, Williams RJ, Shaw CA, Belanger YD, El-Guebaly N, Hodgins DC, McGrath DS, Smith GJ, Stevens RMG. (2022). Harm Minimization Training, Knowledge, and Behaviour of Canadian Casino Employees. J Gambl Stud. 2022 Nov 29. doi: 10.1007/s10899-022-10128-4.
Dorey L, Christensen DR, May R, Hoon AE, Dymond S. (2022). Gambling treatment service providers’ views about contingency management: a thematic analysis. Harm Reduct J. 25;19(1):19.
Hodgins DC, Williams RJ, Belanger YD, Christensen DR, El-Guebaly N, McGrath DS, Nicoll F, Shaw CA, Stevens RMG. (2022). Making Change: Attempts to Reduce or Stop Gambling in a General Population Sample of People Who Gamble. Front Psychiatry. 13:892238.
Shaw CA, Hodgins DC, Williams RJ, Belanger YD, Christensen DR, El-Guebaly N, McGrath DS, Nicoll F, Smith GJ, Stevens RMG. (2022). Gambling in Canada During the COVID Lockdown: Prospective National Survey. J Gambl Stud. 38(2):371-396.
Williams RJ, Shaw CA, Belanger YD, Christensen DR, El-Guebaly N, Hodgins DC, McGrath DS, Stevens RMG. Etiology of problem gambling in Canada. Psychol Addict Behav. 2022 Jul 4. doi: 10.1037/adb0000843.
Williams RJ, Belanger YD, Leonard CA, Stevens RMG, Christensen DR, El-Guebaly N, Hodgins DC, McGrath DS. (2022). Indigenous Gambling and Problem Gambling in Canada. J Gambl Stud. 2022 Mar;38(1):67-85.

2021

Ofori Dei SM, Christensen DR, Awosoga OA, Lee BK, Jackson AC. (2021). The Relative and Interactive Effects of Actual and Perceived Gambling Exposure on Gambling Behaviour. J Gambl Stud. 2021 Sep;37(3):853-874. doi: 10.1007/s10899-020-09991-w. Epub 2021 Jan 22. Erratum in: J Gambl Stud. 2021 Apr 5.
Ofori Dei SM, Christensen DR, Awosoga OA, Lee BK, Jackson AC. (2021). A Composite Measure of Gambling Exposure: Availability, Accessibility or Both? J Gambl Stud. 2021 Dec;37(4):1291-1310. Erratum in: J Gambl Stud. 2021 Apr 9; PMID: 33247819.
Ofori Dei SM, Christensen DR, Awosoga OA, Lee BK, Jackson AC. (2021). Correction to: A Composite Measure of Gambling Exposure: Availability, Accessibility or Both? J Gambl Stud. 2021 Dec;37(4):1311. doi: 10.1007/s10899-021-10026-1. Erratum for: J Gambl Stud. 37(4):1291-1310.
Ofori Dei SM, Christensen DR, Awosoga OA, Lee BK, Jackson AC. (2021). Correction to: The Relative and Interactive Effects of Actual and Perceived Gambling Exposure on Gambling Behaviour. J Gambl Stud. 2021 Sep;37(3):875. Erratum for: J Gambl Stud. 37(3):853-874.
Williams RJ, Leonard CA, Belanger YD, Christensen DR, El-Guebaly N, Hodgins DC, McGrath DS, Nicoll F, Smith GJ, Stevens RMG. (2021). Predictors of gambling and problem gambling in Canada. Can J Public Health. 112(3):521-529.
Williams RJ, Leonard CA, Belanger YD, Christensen DR, El-Guebaly N, Hodgins DC, McGrath DS, Nicoll F, Stevens RMG. (2021). Gambling and Problem Gambling in Canada in 2018: Prevalence and Changes Since 2002. Can J Psychiatry. 66(5):485-494.

2020

Ofori-Dei, S., Christensen, D. R., Awosoga, O., Lee, B., & Jackson, A. C. (2020). The effect of perceived gambling availability on problem gambling severity. Journal of Gambling Studies.36(4):1065-1091.
Mader, J., Smith, J. M., Smith, J., & Christensen, D. R. (2020). Protocol for a Feasibility and Acceptability study investigating the UCalgary’s Cannabis Café: Education and Harm Reduction Initiative. BMJ Open. 10(2).

2019

Christensen DR, Williams RJ, Ofori-Dei SM. (2019). The Multidimensional Structure of Problem Gambling: An Evaluation of Four Gambling Categorization Instruments from an International Online Survey of Gamblers. J Gambl Stud. 35(4):1079-1108.
Christensen, D. R. (2018). Effectiveness of prevention strategies. In H. Bowden-Jones., C. Dickson., C., Dunland., O. & O. Simon. Preventing Gambling Addiction. Routledge: Centre for Excessive Gambling (Centre du Jeu Excessif: CJE), Switzerland., & NHS National Problem Gambling Clinic, and Imperial College, London, UK.
Laskowski CS, Dorchak DL, Ward KM, Christensen DR, Euston DR. (2019). Can Slot-Machine Reward Schedules Induce Gambling Addiction in Rats? J Gambl Stud. 35(3):887-914.
Mader, J., Christensen, D. R., Williams, R. (2019). An evaluation of the pathways model using the quinte longitudinal dataset. International Gambling Studies. 19(3);417-431

2018

Christensen DR, Witcher CSG, Leighton T, Hudson-Breen R, Ofori-Dei S. (2018). Piloting the addition of contingency management to best practice counselling as an adjunct treatment for rural and remote disordered gamblers: study protocol. BMJ Open. 8(4):e018804.
Christensen, D. R. (2018). A review of opioid-based medications as treatments for gambling disorder: an examination of treatment outcomes, cravings, and individual differences. International Gambling Studies. 18, 286-309.
Christensen, D. R. (2018). Tobacco addiction: nicotine as a drug of dependence. In M. M. Scollo, & M. Winstanley, M. H. (Eds.). Tobacco in Australia: Facts and issues. Melbourne: Cancer Council Victoria.

2016

Jackson AC, Christensen DR, Francis KL, Dowling NA. (2016). Consumer Perspectives on Gambling Harm Minimisation Measures in an Australian Jurisdiction. J Gambl Stud. 32(2):801-22.
Nisbet, S., Jackson, A.C., Christensen, D.R.(2016). The influence of pre-commitment and associated player-card technologies on decision making: design, research and implementation issues. International Journal of Mental Health and Addiction, 14, 228-240.
Sheffer CE, Mackillop J, Fernandez A, Christensen D, Bickel WK, Johnson MW, Panissidi L, Pittman J, Franck CT, Williams J, Mathew M. (2016). Initial examination of priming tasks to decrease delay discounting. Behav Processes. 128:144-52.

2015

Bickel, W. K., & Christensen, D. R. (2015). Behavioral economics. In I. P. Stolerman (Ed.). Encyclopedia of Psychopharmacology, 2^nd Ed. Springer Reference.
Christensen, D. R. (2015). Complimentary forces of change: Contingency management and behavioural momentum as treatments for problematic gambling. Canadian Journal of Addiction: Special Issue on Gambling Research in Canada. 6, 45-53.
Christensen, D. R. (2015). Editorial: Gambling Research – Looking Forward. Austin Journal of Drug Abuse and Addiction, Vol2, 1
Christensen DR, Dowling NA, Jackson AC, Thomas SA. (2015). Gambling Participation and Problem Gambling Severity in a Stratified Random Survey: Findings from the Second Social and Economic Impact Study of Gambling in Tasmania. J Gambl Stud. 31(4):1317-35.
Christensen DR, Jackson AC, Dowling NA, Volberg RA, Thomas SA. (2015). An Examination of a Proposed DSM-IV Pathological Gambling Hierarchy in a Treatment Seeking Population: Similarities with Substance Dependence and Evidence for Three Classification Systems. J Gambl Stud. 31(3):787-806.
Dowling NA, Cowlishaw S, Jackson AC, Merkouris SS, Francis KL, Christensen DR. (2015). Prevalence of psychiatric co-morbidity in treatment-seeking problem gamblers: A systematic review and meta-analysis. Aust N Z J Psychiatry. 49(6):519-39.
Dowling NA, Cowlishaw S, Jackson AC, Merkouris SS, Francis KL, Christensen DR. (2015). The Prevalence of Comorbid Personality Disorders in Treatment-Seeking Problem Gamblers: A Systematic Review and Meta-Analysis. J Pers Disord. 29(6):735-54.
Francis KL, Dowling NA, Jackson AC, Christensen DR, Wardle H. (2015). Gambling Motives: Application of the Reasons for Gambling Questionnaire in an Australian Population Survey. J Gambl Stud. 31(3):807-23.

2014

Christensen DR, Landes RD, Jackson L, Marsch LA, Mancino MJ, Chopra MP, Bickel WK. (2014). Adding an Internet-delivered treatment to an efficacious treatment package for opioid dependence. J Consult Clin Psychol. 82(6):964-72.
Jackson AC, Pennay D, Dowling NA, Coles-Janess B, Christensen DR. (2014). Improving gambling survey research using dual-frame sampling of landline and mobile phone numbers. J Gambl Stud. 30(2):291-307.
Jackson, A.C., Francis, K.L., Vasiliadis, S., & Christensen, D. R. (2014) Service access and coordination in co-morbid pathological gambling cases: A proof of concept study Gambling Research, 1, 20-32.
Jarmolowicz DP, Landes RD, Christensen DR, Jones BA, Jackson L, Yi R, Bickel WK. (2014). Discounting of money and sex: effects of commodity and temporal position in stimulant-dependent men and women. Addict Behav. 39(11):1652-7.
Sheffer CE, Christensen DR, Landes R, Carter LP, Jackson L, Bickel WK. (2014). Delay discounting rates: a strong prognostic indicator of smoking relapse. Addict Behav. 39(11):1682-9.

2013

Christensen, D. R. (2013). Contingency management literature review: application to problem gambling counselling. Gambling Research. 25, 3-17.
Christensen, D. R., Dowling, N. A., Jackson, A. C., Brown, M., Russo, J., Francis, K. L., & Umemoto, A. (2013). A proof of concept study for brief dialectical behavior therapy as a treatment for problem gambling. Behaviour Change. 30, 117-137.
Jackson, A.C., Francis, K.L., Byrne, G. & Christensen, D.R. (2013). Leisure substitution and problem gambling: Report of a proof of concept group intervention. International Journal of Mental Health and Addiction. 11, 1, 64-74.
Vasiliadis, S., Jackson, A.C., Christensen, D.R., Francis, K.L., & Thomas, S.A. (2013). Physical accessibility of gaming opportunity and its relationship to gaming involvement and problem gambling: A systematic review. Journal of Gambling. 28.

2012

Landes RD, Christensen DR, Bickel WK. (2012). Delay discounting decreases in those completing treatment for opioid dependence. Exp Clin Psychopharmacol. 20(4):302-9.
Sheffer C, Mackillop J, McGeary J, Landes R, Carter L, Yi R, Jones B, Christensen D, Stitzer M, Jackson L, Bickel W. (2012). Delay discounting, locus of control, and cognitive impulsiveness independently predict tobacco dependence treatment outcomes in a highly dependent, lower socioeconomic group of smokers. Am J Addict. 21(3):221-32.

2011

Bickel WK, Landes RD, Christensen DR, Jackson L, Jones BA, Kurth-Nelson Z, Redish AD. (2011). Single- and cross-commodity discounting among cocaine addicts: the commodity and its temporal location determine discounting rate. Psychopharmacology (Berl). 217(2):177-87.
Bickel WK, Christensen DR, Marsch LA. (2011). A review of computer-based interventions used in the assessment, treatment, and research of drug addiction. Subst Use Misuse. 46(1):4-9.

2010

Bickel WK, Jones BA, Landes RD, Christensen DR, Jackson L, Mancino M. (2010). Hypothetical intertemporal choice and real economic behavior: delay discounting predicts voucher redemptions during contingency-management procedures. Exp Clin Psychopharmacol. 18(6):546-52.
Bickel, W. K., & Christensen, D. R. (2010). Behavioral economics. In I. P. Stolerman (Ed.). Encyclopedia of Psychopharmacology. Springer Reference.
Bickel WK, Yi R, Mueller ET, Jones BA, Christensen DR. (2010). The behavioral economics of drug dependence: towards the consilience of economics and behavioral neuroscience. Curr Top Behav Neurosci. 3:319-41.
Christensen, D. R., & Grace, R. C. (2010). A decision model for steady-state choice in concurrent chains. Special Issue of the Journal of the Experimental Analysis of Behavior, 94, 227-240.