
KEY PUBLICATIONS
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Volberg, RA, Zorn, M, Williams, RJ, Evans, V. (2021). Gambling harm and the prevention paradox in Massachusetts. Addicta: The Turkish Journal on Addictions 8(3): 162-170. Special Issue on Gambling, edited by M. Potenza. DOI: 10.5152/addicta.2021.21114
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Mazar, A., Williams, RJ., Stanek, EJ., Zorn, M., Volberg, RA. (2018). The importance of friends and family to recreational gambling, at-risk gambling, and problem gambling. BMC Public Health 18: 1080. DOI: https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-018-5988-2
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Abbott, MW, Romild, U, Volberg, RA. (2018). The prevalence, incidence, and gender and age-specific incidence of problem gambling: Results of the Swedish Longitudinal Study (Swelogs). Addiction 113 (4): 699-707.
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Williams, RJ & Volberg, RA. (2014). The classification accuracy of four problem gambling assessment instruments in population research. International Gambling Studies 14 (1): 15-28.
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Volberg, RA, Munck, IM, Petry, NM. (2011). A quick and simple screening method for pathological and problem gamblers in addiction programs and practices. American Journal on Addictions 20 (3): 220-227.
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Volberg, RA & Wray, M. (2007). Legal gambling and problem gambling as mechanisms of social domination: Some considerations for future research. American Behavioral Scientist 51 (1): 56-85.
MOST CITED
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Gerstein, DR, Volberg, RA, Harwood, H, Christiansen, EM, et al. (1999). Gambling Impact and Behavior Study: Final Report to the National Gambling Impact Study Commission. Chicago, IL: National Opinion Research Center.
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Williams, RJ, Volberg, RA & Stevens, RMG. (2012). The Population Prevalence of Problem Gambling: Methodological Influences, Standardized Rates, Jurisdictional Differences, and Worldwide Trends. Report to the Ontario Problem Gambling Research Centre.
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Volberg RA. (1994). The Prevalence and Demographics of Pathological Gamblers: Implications for Public Health. American Journal of Public Health 84 (2): 237-241.
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Volberg, RA, Gupta, R, Griffiths, MD, Ólasson, DT & Delfabbro, P. (2012). An International Perspective on Youth Gambling Prevalence Studies. In Youth Gambling: The Hidden Addiction, Derevensky, JL, Shek, DTL & Merrick, J (eds). Berlin: Walter de Gruyter. (Pp. 21-56).
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Toce-Gerstein, M, Gerstein, DR & Volberg, RA. (2003). A Hierarchy of Gambling Disorders in the Community. Addiction 98: 1661-1672.
ARTICLES (2020 – present)
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Ukhova, D, Volberg, RA. (2025). Gambling harms in the era of legal gambling expansion – a growing health problem. JAMA Internal Medicine (Invited commentary). https://doi:10.1001/jamainternmed.2024.8189
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Wardle, H, Degenhardt, L, Marionneau, V, Reith, G, Livingstone, C, Sparrow, M, Tran, LT, Biggar, B, Bunn, C, Farrell, M, Kesaite, V, Poznyak, V, Quan, J, Rehm, J, Rintoul, A, Sharma, M, Shiffman, J, Siste, K, Ukhova, D, Volberg, RA, Yendork, JS, Saxena, S. (2024). The Lancet Public Health Commission on Gambling. The Lancet Public Health. https://doi.org/10.1016/S2468-2667(24)00167-1
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Gooding, N, Allami, Y, Delfabbro, P, Williams, RJ, Parke, J, Volberg, RA, Hodgins, DC. (2025). Assessing harm severity: A Rasch analysis of the gambling harm measure. International Gambling Studies 25(2): 323-346. https://doi.org/10.1080/14459795.2025.2486122
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Gooding, N, Allami, Y, Delfabbro, P, Williams, RJ, Parke, J, Volberg, RA, Hodgins, DC. (2024). Validation of the gambling harm measure across three independent samples. International Gambling Studies 25(1): 146-167. https://doi.org/10.1080/14459795.2024.2432318
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Kraus, L, Bickl, AM, Hellman, M, Kankainen, VE, Loy, JK, Neyer, M, Norman, T, Roland, S, Room, R, Rossow, I, Volberg, RA, Cisneros Örnberg, J. (2024). Voluntary self-exclusion from gambling: Expert opinions on gaps and needs for improvement. Nordic Studies on Alcohol and Drugs 41(5): 491-508. https://doi.org/10.1177/14550725241264628
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Ukhova, D, Marionneau, V, Volberg, RA, Wardle, H. (2024). The expansion of gambling across the Americas poses risks to mental health and wellbeing. The Lancet Regional Health – Americas 37: 100855. Available at https://doi.org/10.1016/j.lana.2024.100855.
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Tran, LT, Wardle, H, Colledge-Frisby, S., Taylor, S., Lynch, M., Rehm, J, Volberg, RA, Marionneau, V, Saxena, S, Bunn, C, Farrell, M, Degenhardt, L. (2024). The prevalence of gambling and problematic gambling: a systematic review and meta-analysis. The Lancet Public Health (July 2024). Available at https://www.sciencedirect.com/science/article/pii/S2468266724001269.
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Evans, V, Zorn, M, Williams, RJ, Volberg, RA. (2024). Proximity to casino gambling venues and risk of problem gambling in Massachusetts. International Journal of Addiction and Mental Health 22: 92-105. DOI: https://doi.org/10.1007/s11469-022-00861-7
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Gooding, N, Williams, RJ, Volberg, RA. (2024). The Problem Gambling Measure: A revision of the Problem and Pathological Gambling Measure to better predict at-risk and chronic gambling. International Gambling Studies (February 2024). DOI: https://doi.org/10.1080/14459795.2024.2319027
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Serrano-Pérez, P, Lugo-Marin, J, Palma-Álvarez, R, Volberg, RA, Jiménez-Murcia, S, Ramos-Quiroga, AR, Grau-López, L. (2022). Spanish validation of the Brief Problem Gambling Screen in patients with substance use disorders. Addicciones (October 2022). DOI: https://dx.doi.org/10.20882/addicciones/1754
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Hodgins, DC, Young, MM, Currie, SR, Abbott, MW, Billi, R, Brunelle, N, Costes, J-M, Dufour, M, Flores-Pajot, M-C, Olason, D, Paradis, C, Romild, U, Salonen, A, Volberg, RA, Nadeau, L. (2022). Lower-risk gambling limits: Linked analyses across eight countries. International Gambling Studies 23(2): 328-344. DOI: https://doi.org/10.1080/14459795.2022.2143546
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Volberg, RA, Zorn, M, Williams, RJ, Evans, V. (2021). Gambling harm and the prevention paradox in Massachusetts. Addicta: The Turkish Journal on Addictions 8(3): 162-170. Special Issue on Gambling, edited by M. Potenza. DOI: 10.5152/addicta.2021.21114
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Kraus, L, Loy, JK, Bickl, AM, Schwarzkopf, L, Volberg, RA, Rolando, S, Kankainen, VE, Hellman M, Rossow, IM, Room, R, Norman, T, Cisneros Örnberg, J. (2022). Self-exclusion from gambling: A toothless tiger? Frontiers in Psychiatry 13: 992309. Published 23 September 2022. https://doi.org/10.3389/fpsyt.2022.992309
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Volberg, RA. (2021). Banking transactions and gambling harms. Invited commentary. Nature Human Behavior 5: 303-304. https://dx.doi.org/10.1038/s41562-021-01052-5.
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Molander, O, Volberg, RA, Månsson, V, Sundqvist, K, Wennberg, P, Berman, AH. (2021). Development of the Gambling Disorder Identification Test (GDIT): Results from an international Delphi and consensus process. International Journal of Methods in Psychiatric Research 30: e1865. https://onlinelibrary.wiley.com/doi/10.1002/mpr.1865
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Browne, M, Volberg, RA, Rockloff, M, Salonen, AH. (2020). The prevention paradox applies to some but not all gambling harms: Results from a Finnish population-representative survey. Journal of Behavioral Addictions 9 (2): 371-382. Open Access: https://doi.org/10.1556/2006.2020.00018
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Mazar, A, Zorn, M, Becker, N, Volberg, RA. (2020). Gambling formats, involvement and problem gambling: Which types of gambling are more risky? BMC Public Health 20: 711. Open Access: https://doi.org/10.1186/s12889-020-08822-2
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Hilbrecht, M, Baxter, D, Abbott, M, Binde, P, Clark, L, Hodgins, D, Manitowabi, D, Quilty, L, Spångberg, J, Volberg, R, Walker, D, & Williams, R. (2020). The Conceptual Framework of Harmful Gambling: A revised framework for understanding gambling harm. Journal of Behavioral Addictions 9 (2): 190-205. Open Access: https://doi.org/10.1556/2006.2020.00024
RESEARCH REPORTS (2020 – present)
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Glynn, J, Nower, L, Volberg, RA. (2025). Potential impacts of iGaming on public health in Massachusetts. Report to the Massachusetts Gaming Commission. Toronto: PRET Solutions, Inc.
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Volberg, RA, Evans, V, Dezyani, P, Williams, RJ. (2025). Current Trends in Gambling, Sports Betting and Problem Gambling in Massachusetts, 2022-2024. Amherst, MA: School of Public Health and Health Sciences, University of Massachusetts, Amherst.
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Volberg, RA, Zorn, M, Terrafen, C. (2025). Gambling and Problem Gambling in North Dakota: 2024. Report to the North Dakota Department of Health and Human Services.
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Volberg, RA, Evans, V, Black, S. (2024). Problem Gambling Services in New York State: Review, Assessment, and Recommendations. Report commissioned by the New York State Office of Addiction Services and Support (OASAS). December 2024.
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Evans, V, Volberg, RA, Williams, RJ. (2024). AirSage Location Data: Technical Report. Amherst, MA: School of Public Health and Health Sciences, University of Massachusetts Amherst.
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Baxter, C, Young, MM, Volberg, RA, Tuico, K, Kokkalou, C. (2023). Youth gambling prevalence in the Republic of Cyprus: Results of a 2024 national quantitative survey. National Betting Authority Cyprus.
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SEIGMA Research Team. (2024). Social and Economic Impacts of Casino Introduction to Massachusetts. Amherst, MA: School of Public Health and Health Sciences, University of Massachusetts Amherst.
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Volberg, RA, Zorn, M, Evans, V, Williams, RJ. (2024). Gambling and Problem Gambling in Massachusetts: Results of Three Online Panel Surveys. Amherst, MA: School of Public Health and Health Sciences, University of Massachusetts Amherst.
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Volberg, RA, Evans, V, Zorn, M, Williams, RJ. (2024). Impacts of Advertising on Gambling Behavior in Massachusetts. Amherst, MA: School of Public Health and Health Sciences, University of Massachusetts Amherst.
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Gemini Research. (2024). Socioeconomic Impacts of Legalized Gambling in Connecticut. Report commissioned by the Connecticut Department of Mental Health and Addiction Services. Northampton, MA: Gemini Research, Inc.
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Volberg, RA, Williams, RJ, Zorn, M, Evans, V. (2023). Gambling and Problem Gambling in Massachusetts: Results of a Follow-up Population Survey. Amherst, MA: School of Public Health and Health Sciences, University of Massachusetts Amherst.
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Williams, RJ, Zorn, M, Volberg, RA. (2023). Can the behavioral biases in opt-in online panels be eliminated or reduced through corrective weighting? Amherst, MA: School of Public Health and Health Sciences, University of Massachusetts Amherst.
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Evans, V, Williams, RJ, Volberg, RA. (2023). Patron Survey Alternatives: Technical Report. Amherst, MA: School of Public Health and Health Sciences, University of Massachusetts Amherst.
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Baxter, C, Young, MM, Volberg, RA, Kokkalou, C. (2023). Gambling and problem gambling in the Republic of Cyprus: Results of a 2022 national quantitative survey. National Betting Authority Cyprus. Available at https://nba.gov.cy/wo-content/uploads/Gambling-and-PG-in-Cyprus-2022-Report.pdf
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Salame, L, Williams, RJ, Zorn, M, Peake, T, Evans, V, Volberg, RA. (2023). Patron and License Plate Survey Report: Encore Boston Harbor 2022. Amherst, MA: School of Public Health & Health Sciences, University of Massachusetts Amherst.
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Volberg, RA. (2022). Gambling and Problem Gambling in Washington State: 2021 Washington State Adult Problem Gambling Prevalence Study Results. Report to the Washington State Health Care Authority. Available at https://www.hca.wa.gov/about-hca/programs-and-initiatives/behavioral-health-and-recovery/problem-gambling-task-force-pgtf
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Volberg, RA, Evans, V, Zorn, M, Williams RJ (2022). Legalized sports betting in the United States and potential impacts in Massachusetts. Amherst, MA: School of Public Health & Health Sciences, University of Massachusetts Amherst.
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Williams, RJ, Volberg, RA. (2022). Review of U.K. gambling harms questions. London: UK Gambling Commission.
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Volberg, RA, Zorn, M, Williams, RJ, Evans, V. (2021). Gambling harms and the Prevention Paradox in Massachusetts. Amherst, MA: School of Public Health & Health Sciences, University of Massachusetts Amherst.
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Williams, RJ, Volberg, RA, Zorn, M, Stanek, EJ, Evans, V. (2021). MAGIC: A six-year longitudinal study of gambling and problem gambling in Massachusetts. Amherst, MA: School of Public Health & Health Sciences, University of Massachusetts Amherst.
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Braid, K, Glynn, J, Volberg, RA. (2020). British Columbia Online Problem Gambling Prevalence Study. Vancouver: Ipsos & Strategic Science. Available at https://www2.gov.bc.ca/assets/gov/sports-recreation-arts-and-culture/gambling/gambling-in-bc/reports/bc_online_problem_gambling_prevalence_report_2020.pdf
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Volberg, RA, Evans, V, Zorn, M, Stanek, EJ, Williams, RJ. (2020). Impact of MGM Springfield on Gambling Attitudes, Participation, and Problem Gambling. Amherst, MA: School of Public Health & Health Sciences, University of Massachusetts Amherst.
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Williams, RJ, Zorn, M, Stanek, EJ, Evans, V, Volberg, RA. (2020). MA Gambling Impact Cohort (MAGIC): Transitions across four waves. Amherst, MA: School of Public Health & Health Sciences, University of Massachusetts Amherst.
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Salame, L, Williams, RJ, Zorn, M, Peake, T, Stanek, EJ, Mazar, A, Volberg, RA. (2020). Patron and License Plate Survey report: MGM Springfield, 2019. Amherst, MA: School of Public Health & Health Sciences, University of Massachusetts Amherst.
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Evans, V, Zorn, M, Volberg, RA. (2020). Treatment desire among people experiencing gambling problems in Massachusetts. Amherst, MA: School of Public Health & Health Sciences, University of Massachusetts Amherst.
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Volberg, RA, Evans, V, Zorn, M, Williams, RJ. (2020). Gambling harms in Massachusetts: Evidence from the BGPS and BOPS. Amherst, MA: School of Public Health & Health Sciences, University of Massachusetts Amherst.