invited presentations
workshops
organized symposia
presentations
posters
technology demonstrations

invited presentations

Bray, B. C. (2011, March). Methodology Minutes Podcast: Where are they now? (Episode 7). Podcast interview at The Methodology Center, Penn State, University Park, PA.

Bray, B. C. (2010, February). Modeling relations among discrete developmental processes: A general approach to associative latent transition analysis. Paper presented at the Department of Statistics Research Colloquium Series, Virginia Polytechnic Institute and State University, Blacksburg, VA. (.pdf)

Bray, B. C. (2008, September). A multidimensional latent variable approach to the measurement of gambling. Paper presented at the Department of Biobehavioral Health Research Colloquium Series, The Pennsylvania State University, University Park, PA. (.pptx)

Bray, B. C. (2008, June). Examining gambling and substance use: Applications of advanced latent class modeling techniques for cross-sectional and longitudinal data. Paper presented at the 22nd National Conference on Problem Gambling: "Family and Community Issues," Long Beach, CA. (.ppt)

Bray, B. C. (2008, March). A multidimensional latent variable approach to the measurement of gambling. Paper presented at the 8th Annual Scientific Meeting of the American Academy of Health Behavior: "Addictions: From Cells to Societies," Oxnard, CA. (.ppt)

Bray, B. C. (2006, February). Rambling, gambling Willie: What Bob Dylan left out about pathological gambling. Presented at the Centre County Correctional Facility, Bellefonte, PA. (.doc)

Bray, B. C. & Collins, L. M. (2005, February). Modeling the development of substance use and delinquency simultaneously: An associative latent transition analysis example. Paper presented at the Methodology Center, the Pennsylvania State University, University Park, PA.

Bray, B. C., Zimmerman, R. S., Lynam, D., & Murphy, S. A. (2003, April). Assessing the total effect of time-varying predictors in prevention research. Paper presented at the University of Michigan--Dearborn, Dearborn, MI.

workshops

Etz, K., & Moser, R. (2010, June). Everything you ever wanted to know about secondary data analysis, but were afraid to ask. Preconference workshop presented at the Society for Prevention Research 18th Annual Conference: "Cells to Society: Prevention at All Levels," Denver, CO. Presenters: Augustson, E., Bray, B. C., Gelernter, J., Keyes, K., LeClere, F. B., Ridenour, T. A., Rutten, L. F., & Yaroch, A. (.pdf)

Collins, L. M., Lanza, S. T., & Bray, B. C. (2009, June). Summer Institute on Longitudinal Methods: Latent class and latent transition analysis. The Methodology Center at the Pennsylvania State University: State College, PA.

Collins, L. M., & Bray, B. C. (2008, October). Workshop on statistical methods in drug abuse and health-related research: Introduction to latent class/latent transition analysis for research in drug use and problem behavior. Center for Drug Abuse Research Translation (CDART), Center for Clinical and Translational Science of the University of Kentucky: Lexington, KY.

Collins, L. M., Lanza, S. T., & Bray, B. C. (2008, September). Masterclass: Latent class analysis for cross-sectional and longitudinal data. Department of Mathematics and Statistics Postgraduate Statistics Centre of Lancaster University and the Economic and Social Research Council National Centre for Research Methods: Lancaster, United Kingdom.

Collins, L. M., Lanza, S. T., & Bray, B. C. (2007, February). ZA spring seminar, topics in advanced categorical data analysis (CDA): Latent class analysis for cross-sectional and longitudinal data. The University of Cologne: Cologne, Germany.

Bray, B. C. (2006, Summer). An introduction to programming in SAS. The Pennsylvania State University: University Park, PA.

organized symposia

Chair: Bethany C. Bray. Communicating prevention research to non-academic audiences: Working effectively with the government and media (organized symposium). Presented at the Society for Prevention Research 19th Annual Conference: “Prevention Scientists Promoting Global Health: Emerging Visions for Today and Tomorrow” (Washington, DC; June 2, 2011).

Chair: Bethany C. Bray. Innovations in latent class analysis: New approaches to address classic questions (organized paper symposium). Presented at the Society for Prevention Research 19th Annual Conference: “Prevention Scientists Promoting Global Health: Emerging Visions for Today and Tomorrow” (Washington, DC; June 2, 2011).

Chairs: Bethany C. Bray & Stephanie T. Lanza. Advances in finite mixture modeling, causal mediation, and functional data analysis: Recent developments from The Methodology Center at Penn State (organized paper symposium). Presented at the Modern Modeling Methods Conference (Storrs, CT; May 26, 2011).

Chair: Bethany C. Bray. Understanding adolescent risk behaviors: The contribution of person-centered approaches (organized paper symposium). Presented at the Society for Prevention Research 18th Annual Conference: "Cells to Society: Prevention at All Levels" (Denver, CO; June 3, 2010).

Chair: Bethany C. Bray. Promoting positive program outcomes through the application of latent variable methods (organized paper symposium). Presented at the Society for Prevention Research 18th Annual Conference: "Cells to Society: Prevention at All Levels" (Denver, CO; June 3, 2010).

Chairs: Bethany C. Bray & Brittany L. Rhoades. Modeling risky behaviors with latent class and latent transition analysis: New applications and innovative approaches (organized poster forum). Presented at the Society for Prevention Research 15th Annual Conference: "Advancing Science-Based Prevention: Creating Real World Solutions" (Washington, DC; May 31, 2007).

Chair: Bethany C. Bray. Recent research on gambling from late childhood to adulthood: Implications for prevention. Presented at the Society for Prevention Research 14th Annual Conference: "Applying Prevention Science to Reduce Health Disparities" (San Antonio, TX; June 1, 2006). Speakers: B. C. Bray, T. A. Ridenour, K. C. Winters. (Intro: .ppt)

presentations

Bray, B. C., Lanza, S. T., & Tan, X. (2011, June). Classify-analyze approaches in latent class analysis: The importance of inclusive modeling. Paper presented at the Society for Prevention Research 19th Annual Conference: “Prevention Scientists Promoting Global Health: Emerging Visions for Today and Tomorrow,” Washington, DC. (.pptx)

Tan, X., Lanza, S. T., & Bray, B. C. (2011, June). Latent class analysis with distal outcomes: A model-based approach. Paper presented at the Society for Prevention Research 19th Annual Conference: “Prevention Scientists Promoting Global Health: Emerging Visions for Today and Tomorrow,” Washington, DC.

Bray, B. C., Lanza, S. T., & Tan. X. (2011, May). A new approach for expanded latent class models. Paper presented at the Modern Modeling Methods Conference, Storrs, CT. (.pptx)

Tisminetzky, M., Bray, B. C., Miozzo, R., Aupont, O., & McLaughlin, T. J. (2009, November). Profiling symptoms of depression and anxiety in patients with an acute coronary syndrome using latent class and latent transition analysis. Paper presented at the American Heart Association Annual Scientific Sessions, Orlando, FL.

Tisminetzky, M., Bray, B. C., Miozzo, R., & McLaughlin, T. J. (2009, June). Examining the effects of treatment and patient characteristics on patient profiles of depression, anxiety and functionality after an acute coronary syndrome. Paper presented at the Society for Epidemiological Research 42nd Annual Meeting: “Epidemiologists as Vectors for Transmitting Health,” Anaheim, CA.

Bray, B. C. & Collins, L. M. (2006, June). The structure of gambling behavior in adulthood. Paper presented at the Society for Prevention Research 14th Annual Conference: "Applying Prevention Science to Reduce Health Disparities," San Antonio, TX. (.ppt)

Ridenour, T. A. & Bray, B. C. (2006, June). Do correlates of preadolescent gambling resemble correlates of early substance use targeted in prevention programs? Paper presented at the Society for Prevention Research 14th Annual Conference: "Applying Prevention Science to Reduce Health Disparities," San Antonio, TX.

Wong, P., McAuslan, P., & Bray, B. C. (2000, August). Survey of problem gambling in the Metropolitan Detroit Area, 2000. Paper presented at the Joint Mathematical Association of America and Pi Mu Epsilon National Conference, Los Angeles, CA.

posters

Sheftall, A. H., Crum, P., Mathias, C. W., Bray, B. C., & Dougherty, D. M. (2012, February). Adolescent substance use, stressful life events, and impulsivity. Poster presented at the 22nd Annual Meeting of the Texas Research Society on Alcoholism, College Station, TX. (.pptx)

Wiersma, J. D., Fischer, J. L., Bray, B. C., & Clifton, J. P. (November, 2011). Young adult drinking partnerships: Where are couples 6 years later? Poster presented at the National Council on Family Relations 73rd Annual Conference: “Families and the Shifting Economy,” Orlando, FL. (.pptx)

McGinley, J. J., Bray, B. C., Morgan, N. R., Small, M. L., & Maggs, J. L. (2011, August). Examining the relation between card playing and personality. Poster presented at the American Psychological Association 119th Annual Convention, Washington, DC. (.pptx)

Bray, B. C., Morgan, N. R., Small, M. L., & Maggs, J. L. (2009, November). Identifying patterns of motivations to gamble among college students using latent class analysis.  Poster presented at the National Center for Responsible Gaming 10th Annual Conference: “Money, Money, Money: Current Issues Affecting Research, Recovery and Responsible Gaming,” Las Vegas, NV. (.pptx)

Wiersma, J. D., Bray, B. C., & Fischer, J. L. (2009, October). Identifying types of young adult drinking partnerships by relationship status using latent class analysis. Poster presented at the 4th Conference on Emerging Adulthood, Atlanta, GA. (.ppt)

Bray, B. C., Morgan, N. R., Small, M. L., & Maggs, J. L. (2009, June). Using latent class models to identify shared patterns of motivations to use alcohol and to gamble among college students. Poster presented at the Research Society on Alcoholism 32nd Annual Meeting, San Diego, CA. (.pptx)

Bray, B. C., Morgan, N. R., Small, M. L., & Maggs, J. L. (2009, May). Identifying unique and shared person-level risk factors for alcohol use and gambling among college students. Poster presented at the Society for Prevention Research 17th Annual Meeting: “Power of Relationships: Implications for Prevention Science,” Washington, DC. (.pptx)

Lai, M. H., Bray, B. C., Smith, E. A., Caldwell, L. L., Wegner, L., Flisher, A. J., ... Mathews, C. (2009, May). Substance use and delinquency profiles among South African adolescents. Poster presented at the Society for Prevention Research 17th Annual Meeting: “Power of Relationships: Implications for Prevention Science,” Washington, DC. (.ppt)

Bray, B. C., Cleveland, M. J., Greenberg, M. T., & Feinberg, M. E. (2008, May). Examining differences in patterns of alcohol, tobacco, marijuana, and other drug use by gambling behavior. Poster presented at the Society for Prevention Research 16th Annual Meeting: "Context and Prevention Science," San Francisco, CA. (.pptx)

Bray, B. C., Collins, L. M., White, H. R., & Pandina, R. J. (2008, March). Identifying and predicting types of college-student gamblers. Poster presented at the American Academy of Health Behavior 8th Annual Scientific Meeting: "Addictions: From Cells to Societies," Oxnard, CA. (.ppt)

Palen, L., Smith, E. A., Caldwell, L. L., Bray, B. C., & Flisher, A. J. (2008, March.) Longitudinal patterns of cigarette use among South African high school students. Poster presented at the 12th Biennial Meeting of the Society for Research on Adolescence, Chicago, IL. (.ppt)

Bray, B. C., Collins, L. M., White, H. R., & Pandina, R. J. (2007, November). An alternative approach to identifying types of gamblers: Using latent class analysis to identify and predict high-risk college-student gamblers. Poster presented at the National Center for Responsible Gaming 8th Annual Conference: "Responsible Gaming, Regulation and Recovery: Testing Conventional Wisdom," Las Vegas, NV. (.ppt)

Bray, B. C., Lanza, S. T., & Collins, L. M. (2007, May). Modeling the longitudinal relation between adolescent smoking and drinking behavior. Poster presented at the Society for Prevention Research 15th Annual Conference: "Advancing Science-Based Prevention: Creating Real World Solutions," Washington, DC. (.ppt)

Bray, B. C. & Ridenour, T. A. (2006, June). Do predictors of late childhood substance use also predict gambling during late childhood?: Implications for prevention. Poster presented at the National Council on Problem Gambling 20th Annual Conference on Prevention, Research, and Treatment of Problem Gambling: "Addressing Gambling Problems in Underserved Populations," St. Paul, MN. (.ppt)

Bray, B. C. & Collins, L. M. (2005, December). Using latent class analysis to examine the structure of gambling behavior. Poster presented at the National Center for Responsible Gaming 6th Annual Conference: "Finding Common Ground on Prevention, Treatment, and Policy," Las Vegas, NV. (.ppt)

Bray, B. C. & Collins, L. M. (2005, May). The relation between the waxing and waning of adolescent substance use and delinquency. Poster presented at the Society for Prevention Research 13th Annual Conference: "Prevention Science to Public Health: Promoting Well-Being in the Population," Washington, DC. (.ppt)

Bray, B. C., Whyte, K. S., & Collins, L. M. (2005, May). The methodological state of research on gambling among adolescents. Poster presented at the Society for Prevention Research 13th Annual Conference: "Prevention Science to Public Health: Promoting Well-Being in the Population," Washington, DC. (.ppt)

Lemmon, D. R., & Bray, B. C. (2005, February). Parallelization strategies for a statistical model of adolescent development. Poster presented at Penn State Computation Day, University Park, PA.

Bray, B. C. (2004, June). Spatial distribution of poverty in Michigan counties, 1990 Census data. Poster presented at the 7th International Summer Institute on Developmental Science, Jyvaskyla, Finland. (.ppt)

Bray, B. C., Zimmerman, R. S., Lynam, D., & Murphy, S. A. (2003, June) Assessing the total effect of time-varying predictors in prevention research. Poster presented at the Society for Prevention Research 11th Annual Conference: "Research to Policy," Washington, DC. (.ppt)

technology demonstrations

Lemmon, D. R., Bray, B. C., Lanza, S. T., & Dziak, J. J. (2008, May). New developments in SAS procedures for prevention research. Technology demonstration presented at the Society for Prevention Research 16th Annual Meeting: "Context and Prevention Science," San Francisco, CA.

Lemmon, D. R., Bray, B. C., Lanza, S. T., & Chung, H. (2007, May). PROC LTA: A SAS procedure for latent transition analysis. Technology demonstration presented at the Society for Prevention Research 15th Annual Meeting: "Advancing Science-Based Prevention: Creating Real World Solutions," Washington, DC.