Darren Christensen

The Effects of Perceived Gambling Availability on Problem Gambling Severity

Samuel M Ofori Dei, Darren R Christensen, Olu Awosoga, Bonnie K Lee, Alun C Jackson

Journal article  |  2020  |  Journal of Gambling Studies

The aim of this study was to determine the moderating effects of sociodemographic characteristics, substance use, and psychosocial..

Protocol for a feasibility study investigating the UCalgary's Cannabis Café: education and harm reduction initiative for postsecondary students.

Joel Mader, Jacqueline M Smith, Jennifer Smith, Darren Robert Christensen

Journal article  |  2020  |  BMJ Open

INTRODUCTION: High rates of cannabis consumption among emerging adults in Canada represent an important public health issue. As pa..

The Multidimensional Structure of Problem Gambling: An Evaluation of Four Gambling Categorization Instruments from an International Online Survey of Gamblers.

Darren R Christensen, Robert J Williams, Samuel M Ofori-Dei

Journal article  |  2019  |  Journal of Gambling Studies

To examine the underlying dimensionality and structure of problem gambling using a comprehensive range of problem gambling assessm..

An evaluation of the pathways model using the Quinte Longitudinal dataset

J Mader, DR Christensen, RJ Williams

Journal article  |  2019  |  International Gambling Studies

A review of opioid-based treatments for gambling disorder: an examination of treatment outcomes, cravings, and individual differences

DR Christensen

Journal article  |  2018  |  International Gambling Studies

Piloting the addition of contingency management to best practice counselling as an adjunct treatment for rural and remote disordered gamblers: study protocol.

Darren R Christensen, Chad SG Witcher, Trent Leighton, Rebecca Hudson-Breen, Samuel Ofori-Dei

Journal article  |  2018  |  BMJ Open

INTRODUCTION: Problematic gambling is a significant Canadian public health concern that causes harm to the gambler, their families..

Consumer Perspectives on Gambling Harm Minimisation Measures in an Australian Jurisdiction

Alun C Jackson, Darren R Christensen, Kate L Francis, Nicki A Dowling

Journal article  |  2016  |  Journal of Gambling Studies

The Influence of Pre-Commitment and Associated Player-Card Technologies on Decision Making: Design, Research and Implementation Issues

Sharen Nisbet, Alun Jackson, Darren R Christensen

Journal article  |  2016  |  International Journal of Mental Health and Addiction

THE PREVALENCE OF COMORBID PERSONALITY DISORDERS IN TREATMENT-SEEKING PROBLEM GAMBLERS: A SYSTEMATIC REVIEW AND META-ANALYSIS

Nicki A Dowling, S Cowlishaw, AC Jackson, SS Merkouris, KL Francis, DR Christensen

Journal article  |  2015  |  JOURNAL OF PERSONALITY DISORDERS

Gambling Participation and Problem Gambling Severity in a Stratified Random Survey: Findings from the Second Social and Economic Impact Study of Gambling in Tasmania

Darren R Christensen, Nicki A Dowling, Alun C Jackson, Shane A Thomas

Journal article  |  2015  |  Journal of Gambling Studies

Gambling Motives: Application of the Reasons for Gambling Questionnaire in an Australian Population Survey

KL Francis, NA Dowling, AC Jackson, DR Christensen, H Wardle

Journal article  |  2015  |  Journal of Gambling Studies

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

Darren R Christensen, Alun C Jackson, Nicki A Dowling, Rachel A Volberg, Shane A Thomas

Journal article  |  2015  |  Journal of Gambling Studies

Complimentary forces of change: Contingency management and behavioural momentum as treatments for problematic gambling

DR Christensen

Journal article  |  2015  |  Canadian Journal of Addiction

Prevalence of psychiatric co-morbidity in treatment-seeking problem gamblers: A systematic review and meta-analysis

Nicki A Dowling, Sean Cowlishaw, Alun C Jackson, Stephanie S Merkouris, Kate L Francis, Darren R Christensen

Journal article  |  2015  |  ANZJP

Adding an Internet-delivered treatment to an efficacious treatment package for opioid dependence.

Darren R Christensen, Reid D Landes, Lisa Jackson, Lisa A Marsch, Michael J Mancino, Mohit P Chopra, Warren K Bickel

Journal article  |  2014  |  Journal of Consulting and Clinical Psychology

OBJECTIVE: To examine the benefit of adding an Internet-delivered behavior therapy to a buprenorphine medication program and vouch..

Discounting of money and sex: effects of commodity and temporal position in stimulant-dependent men and women.

David P Jarmolowicz, Reid D Landes, Darren R Christensen, Bryan A Jones, Lisa Jackson, Richard Yi, Warren K Bickel

Journal article  |  2014  |  Addictive Behaviors

Research on delay discounting has contributed to the understanding of numerous addiction-related phenomena. For example, studies h..

Delay discounting rates: a strong prognostic indicator of smoking relapse.

Christine E Sheffer, Darren R Christensen, Reid Landes, Larry P Carter, Lisa Jackson, Warren K Bickel

Journal article  |  2014  |  Addictive Behaviors

BACKGROUND: Recent evidence suggests that several dimensions of impulsivity and locus of control are likely to be significant prog..

Improving Gambling Survey Research Using Dual-Frame Sampling of Landline and Mobile Phone Numbers

Alun C Jackson, Darren Pennay, Nicki A Dowling, Bernadette Coles-Janess, Darren R Christensen

Journal article  |  2014  |  Journal of Gambling Studies

Service access and coordination in co-morbid pathological gambling cases: A proof of concept study

AC JACKSON, K Francis, S Vasiliadis, D Christensen

Journal article  |  2014  |  Gambling Research

Clinical practice and empirical research has demonstrated that problem gamblers who present for treatment are often complex cases ..

Physical accessibility of gaming opportunity and its relationship to gaming involvement and problem gambling: A systematic review

SD Vasiliadis, AC Jackson, D Christensen, K Francis

Journal article  |  2013  |  Journal of Gambling Issues

This paper presents the findings of a systematic search undertaken for the period January 1990 to June 2011 of references includin..

A Proof of Concept for Using Brief Dialectical Behavior Therapy as a Treatment for Problem Gambling

Darren R Christensen, Nicki A Dowling, Alun C Jackson, Meredith Brown, James Russo, Kate L Francis, Azusa Umemoto

Journal article  |  2013  |  Behaviour Change

Leisure Substitution and Problem Gambling: Report of a Proof of Concept Group Intervention

AC Jackson, KL Francis, G Byrne, DR Christensen

Journal article  |  2013  |  International Journal of Mental Health and Addiction

Contingency management literature review: Application to problem gambling counselling

DR Christensen

Journal article  |  2013  |  Gambling Research

Delay Discounting Decreases in Those Completing Treatment for Opioid Dependence

Reid D Landes, Darren R Christensen, Warren K Bickel

Journal article  |  2012  |  Experimental and Clinical Psychopharmacology

Delay Discounting, Locus of Control, and Cognitive Impulsiveness Independently Predict Tobacco Dependence Treatment Outcomes in a Highly Dependent, Lower Socioeconomic Group of Smokers

Christine Sheffer, James MacKillop, John McGeary, Reid Landes, Lawrence Carter, Richard Yi, Bryan Jones, Darren Christensen, Maxine Stitzer, Lisa Jackson, Warren Bickel

Journal article  |  2012  |  American Journal on Addictions

Single- and cross-commodity discounting among cocaine addicts: the commodity and its temporal location determine discounting rate

Warren K Bickel, Reid D Landes, Darren R Christensen, Lisa Jackson, Bryan A Jones, Zeb Kurth-Nelson, A David Redish

Journal article  |  2011  |  Psychopharmacology

A review of computer-based interventions used in the assessment, treatment, and research of drug addiction.

Warren K Bickel, Darren R Christensen, Lisa A Marsch

Journal article  |  2011  |  Substance Use and Misuse

Computer-based interventions are cost-efficient methods that may result in greater access to drug addiction treatment. We review r..

Hypothetical Intertemporal Choice and Real Economic Behavior: Delay Discounting Predicts Voucher Redemptions During Contingency-Management Procedures

Warren K Bickel, Bryan A Jones, Reid D Landes, Darren R Christensen, Lisa Jackson, Michael Mancino

Journal article  |  2010  |  Experimental and Clinical Psychopharmacology

A DECISION MODEL FOR STEADY-STATE CHOICE IN CONCURRENT CHAINS

Darren R Christensen, Randolph C Grace

Journal article  |  2010  |  Journal of the Experimental Analysis of Behavior

The behavioral economics of drug dependence: towards the consilience of economics and behavioral neuroscience.

Warren K Bickel, Richard Yi, E Terry Mueller, Bryan A Jones, Darren R Christensen

Book  |  2010  |  Current topics in behavioral neurosciences

In this chapter, we review the research in this growing field by first discussing the concepts related to price and consumption (d..

The behavioral economics of drug dependence: Towards the consilience of economics and behavioral neuroscience

WK Bickel, undefined Yi, ET Mueller, BA Jones, D CHRISTENSEN

Book Chapter  |  2010

Behavioral economics

D CHRISTENSEN, WK Bickel

Book Chapter  |  2010

Response allocation in a rapid-acquisition concurrent-chains procedure: effects of overall terminal-link duration.

Darren R Christensen, Randolph C Grace

Journal article  |  2009  |  Behavioural Processes

Four pigeons were exposed to a concurrent-chains procedure in which the initial link was constant (variable-interval 10s) while th..

Response allocation in concurrent chains when terminal-link delays follow an ascending and descending series.

Darren R Christensen, Randolph C Grace

Journal article  |  2009  |  Journal of the Experimental Analysis of Behavior

Eight pigeons were trained in a concurrent-chains procedure in which the terminal-link immediacy ratio followed an ascending or de..

Rapid acquisition in concurrent chains: effects of initial-link duration.

Darren R Christensen, Randolph C Grace

Journal article  |  2008  |  Behavioural Processes

Pigeons were trained in a concurrent chains procedure in which the terminal-link schedules in each session were either fixed-inter..