national & international
2023
Glayzer, J. E., Bray, B. C., Kobak, W. H., Steffen, A. D., McFarlin, B. L., & Schlaeger, J. M. (2023, March). Challenges and strategies recruiting women with EDS for evaluation of dyspareunia: An online survey. Poster presented at the 47th Annual Research Conference of the Midwest Nursing Research Society, Des Moines, IA.
Lanza, S. T., & Bray, B. C. (2023, February). Latent class analysis. Workshop presented for Statistical Horizons, Virtual.
2022
Layland, E. K., Berglund, P. A., Diaz, J. E., Kipke, M. D., & Bray, B. C. (July, 2022). Patterns of racist and heterosexist stigma drive differences in mental health trajectories of Black and Latino sexual minority young men: A person-centered approach to quantitative intersectional research. Paper presented at the National LGBTQ Health Conference, Chicago, IL.
Rusow, J. A., Srivastava, A., Bray, B. C., Goldbach, J. T., & Kipke, M. D. (2022, July). Intimate partner violence victimization and perpetration experiences are associated with differential substance use patterns among young sexual minority men of color. Paper presented at the National LGBTQ Health Conference, Chicago, IL.
Linden-Carmichael, A. N., Van Doren*, N., Bray, B. C., Jackson, K. M., & Lanza, S. T. (2022, June). Daily substance use patterns and implications for substance-related consequences: An application of latent class analysis for daily diary data. Poster presented at the Research Society on Alcoholism Annual Meeting, Orlando, FL.
Parra, L. A., Roos, L. G., Spahr, C., Goldbach, J. T., Bray, B. C., Kipke, M. D., & Slavich, G. M. (2022, June). Optimism mitigates the effects of financial stressors on mental health among sexual minority people-of-color. Poster presented at the 3rd International Conference on LGBT+ Psychology and Related Fields, Lisbon, Portugal.
Lanza, S. T., Stull, S. W., Linden-Carmichael, A. N., & Bray, B. C. (2022, June). Daily latent class membership and associations with acute consequences. Paper presented to the Society for Ambulatory Assessments Meeting, Virtual.
Mohan, L., Parra, L. A., Spahr, C. M., Goldbach, J. T., Bray, B. C., Kipke, M. D., & Slavich, G. M. (2022, April). Ethnic/racial and sexual minority group differences in lifetime stressor exposure and mental health. Poster presented at the Western Psychological Association Convention, Portland, OR.
Mohan, L., Parra, L. A., Spahr, C. M., Goldbach, J. T., Bray, B. C., Kipke, M. D., & Slavich, G. M. (2022, April). Lifetime stressor exposure and mental health among sexual minority people of color. Poster presented at the Western Psychological Association Convention, Portland, OR.
Blank, M. D., Romm, K. F., Bray, B. C., Milstred, A. R., Douglas, A. E., Childers, M. G., Dino, G., & Turiano, N. A. (2022, March). Predictors of change in youth tobacco product use across waves 1-4 of the Population Assessment of Tobacco & Health (PATH) Study. Poster presented at the 28th Annual Meeting of the Society for Research on Nicotine and Tobacco, Baltimore, MD.
Childers, M. G., Romm, K. F., Douglas, A. E., Bray, B. C., Dino, G., Blank, M. D., (2022, March). Longitudinal transitions in youth tobacco use: Findings from waves 1-4 of the PATH Study. Poster presented at the 28th Annual Meeting of the Society for Research on Nicotine and Tobacco, Baltimore, MD.
Romm, K. F., Childers, M., Douglas, A. E., Bray, B. C., Dino, G., & Blank, M. D. (2022, March). Sociodemographic correlates of transitions in tobacco use profiles among adolescents: Results from the Population Assessment of Tobacco and Health (PATH) study waves 3 and 4. Paper presented at the 28th Annual Meeting of the Society for Research on Nicotine and Tobacco, Baltimore, MD.
Taylor, S. P., Bray, B. C., Chou, S. H., & Kowalkowski, M. A. (2022, February). Clinical subtypes of sepsis survivors predict readmission and mortality after hospital discharge. Paper presented at the Society of Critical Care Annual Conference, San Juan, Puerto Rico.
Lanza, S. T., & Bray, B. C. (2022, February). Latent class analysis. Workshop presented for Statistical Horizons, Virtual.
2021
Layland, E. K., Smith, J. C., Soulliard, Z. A., Kipke, M. D., & Bray, B. C. (2021, November). Body image concerns, correlates, and community connectedness among Black and Latino sexual minority men and trans/gender non-conforming people. Paper presented at the Association for Behavioral and Cognitive Therapies Annual Convention, New Orleans, LA.
Bray, B. C. (2021, November). Introduction to latent class and latent profile analysis. Workshop presented at the Indiana University Workshop in Methods Series, Social Science Research Commons, Indiana University Bloomington, Bloomington, IN.
Childers, M., Romm, K. F., Douglas, A. E., Bray, B. C., Dino, G., & Blank, M. D. (2021, October). Longitudinal transitions in youth tobacco use: Findings from waves 1-4 of the PATH study. Paper presented at the National Institutes of Health Tobacco Regulatory Science Meeting, Bethesda, MD.
Bray, B. C., & Lanza, S. T. (2021, July). Latent class, latent profile, and latent transition analysis. Workshop presented for Inter-University Consortium for Political and Social Research (ICPSR) Summer Program in Quantitative Methods of Social Research, Virtual.
Donenberg, G., Merrill, K. G., Atujuna, M., Emerson, E., Blachman-Demner, D., Bray, B. C., & Bekker, L.-G. (2021, July). Mental health outcomes of an HIV-prevention program for South African adolescent girls and young women and their female caregivers. Poster presented at the International Workshop on HIV Pediatrics 2021, Virtual.
Merrill, K. G., Atujuna, M., Emerson, E., Blachman-Demner, D., Bray, B. C., Bekker, L.-G., & Donenberg, G. (2021, July). IMARA SA: Piloting a family-based HIV/STI prevention package for South African adolescent girls and young women. Poster presented at the International Workshop on HIV Pediatrics 2021, Virtual.
Merrill, K. G., Atujuna, M., Emerson, E., Blachman-Demner, D., Fynn, L., Bray, B. C., Bekker, L.-G., & Donenberg, G. (2021, June). Cross-continental and community collaboration to adapt and pilot an HIV/STI prevention program for South African adolescent girls and young women. Paper presented at the Biennial Meeting of the Society for Community Research and Action, Virtual.
Bray, B. C., Dziak, J. J., & Lanza, S. T. (2021, June). Latent class analysis with time-varying covariate effects: A simulation study and empirical example of LCA-TVEM. Paper presented at the Western North American Region of the International Biometric Society Annual Meeting, Virtual.
Lanza, S. T., & Bray, B. C. (2021, June). Latent class analysis. Workshop presented for Statistical Horizons, Virtual.
Herman, K. C., & Bray, B. C. (2021, June). Advances in analyzing categorical data. Paper symposium presented at the Society for Prevention Research 29th Annual Meeting: “Addressing Racism and Disparities when Considering Biology and Context,” Virtual.
Vasilenko, S. A., Smith, C. S., Joseph, T. M., & Bray, B. C. (2021, June). Profiles of adolescent social-ecological factors and young adult sexual behavior: Differences by race/ethnicity. Paper presented at the Society for Prevention Research 29th Annual Meeting: “Addressing Racism and Disparities when Considering Biology and Context,” Virtual.
Layland, E. K., Maggs, J. L., Kipke, M. D., & Bray, B. C. (2021, May). A quantitative approach to intersectional health research: Structural inequalities and health disparities among latent subgroups of Black and Latino sexual minority men. Poster presented at the National LGBTQ Health Conference: “Bridging Research & Practice,” Virtual.
Vasilenko, S. A., Smith, C. S., & Bray, B. C. (2021, April). Multidimensional profiles of adolescent social-ecological risk and protective factors and young adult sexual behavior. Paper presented at the 2021 Biennial Meeting of the Society for Research in Child Development, Virtual.
Douglas, A. E., Romm., K. F., Childers, M., Bray, B.C., Dino, G., & Blank, M. (2021, February). Positive tobacco use motives predict transitions in polytobacco use: Results from Waves 3 and 4 of the PATH Study. Poster presented at the Society for Research on Nicotine and Tobacco 27th Annual Meeting, Virtual.
2020
Lanza, S. T., & Bray, B. C. (2020, December). Latent class analysis. Workshop presented for Statistical Horizons, Virtual.
Kubicek, K., Bolton, A., Bray, B. C., Wu, S., & Kipke, M. D. (2020, November). Consistent and inconsistent use of PrEP among young men who have sex with men: A mixed methods study. Poster presented at the 15th International Conference on HIV Treatment and Prevention Adherence, Orlando, FL.
Layland, E. K., Bray, B. C., & Kipke, M. D. (2020, October). Sexual racism and body image concerns over time among Black and Latino sexual minority men. Poster waitlisted at the American Public Health Association Annual Meeting, San Francisco, CA.
Kubicek, K., Bolton, A., Bray, B. C., Wu, S., & Kipke, M. D. (2020, July). A mixed methods study to examine discontinuation of PrEP among young men of color who have sex with men (YMSM). Poster presented at the 23rd International AIDS Conference, virtual: www.aids2020.org.
Van Doren, N., Linden-Carmichael, A. N., Bray, B. C., Lanza, S. T. (2020, June). Examining daily patterns of substance use in young adults and their relation to daily stress and negative affect: An application of latent class analysis to daily diary data. Poster presented at the Modern Modeling Methods (M3) Conference, Storrs, CT. [conference cancelled due to COVID-19]
Bray, B. C., & Marsiglia, F. F. (2020, May). Increasing health equity for diverse populations: Place-based etiology, intervention, and implementation. Paper symposium presented at the Society for Prevention Research 28th Annual Meeting: “Why Context Matters: Towards a Place-Based Prevention Science,” Washington, DC. [parts of conference cancelled due to COVID-19]
Herman, K. C., & Bray, B. C. (2020, May). Advances in analyzing categorical data. Paper symposium presented at the Society for Prevention Research 28th Annual Meeting: “Why Context Matters: Towards a Place-Based Prevention Science,” Washington, DC. [parts of conference cancelled due to COVID-19]
LoBraico, E. J., Fosco, G. M., Bray, B. C., & Feinberg, M. (2020, May). Patterns of engagement in the Strengthening Families Program: For Parents and Youth Ages 10-14. Paper presented at the Society for Prevention Research 28th Annual Meeting: “Why Context Matters: Towards a Place-Based Prevention Science,” Washington, DC. [parts of conference cancelled due to COVID-19]
Layland, E. K., Bray, B. C., & Kipke, M. D. (2020, April). Experiences and health correlates of discrimination are not universal: Stress, racism, and homonegativity as determinants of drug use among diverse sexual minority men. Paper presentation at the Society for Behavioral Medicine Annual Meeting, San Francisco, CA. [conference cancelled due to COVID-19]
Perzow, S. E. D., Bray. B. C., Wadsworth, M. E., & Hankin, B. L. (2020, March). Individual differences in adolescent coping across contexts. Paper presentation at the Society for Research on Adolescence Annual Meeting, San Diego, CA. [conference cancelled due to COVID-19]
Xia, M., Fosco, G. M., & Bray, B. C. (2020, March). Triadic family relationship dynamics and adolescent well-being. Paper presentation at the Society for Research on Adolescence Annual Meeting, San Diego, CA. [conference cancelled due to COVID-19]
2019
Lanza, S. T., & Bray, B. C. (2019, December). Latent class analysis. Workshop presented for Statistical Horizons, Philadelphia, PA.
Bray, B. C. (2019, November). Latent class analysis. Workshop presented at the Institute for Translational Research in Children’s Mental Health, University of Minnesota, Minneapolis, MN.
Bray, B. C. (2019, November). Advancing intervention science and promoting health equity using innovative quantitative methods. Paper presented at the Institute for Translational Research in Children’s Mental Health, University of Minnesota, Minneapolis, MN.
Bray, B. C. (2019, November). Innovative design and analysis tools for optimizing behavioral interventions: Understanding heterogeneity to achieve health equity. Paper presented at the American Heart Association Scientific Sessions 2019, Philadelphia, PA.
Layland, E. K., Kipke, M. D., Bray, B. C., & Kubicek, K. (2019, May). Unpacking the effects of stress and discrimination on substance use: Similarities and differences among Latino, Black, and Multi-Racial/Ethnic young men who have sex with men. Poster presented at the 2019 National LGBTQ Health Conference: “Bridging Research and Practice,” Atlanta, GA.
Bray, B. C., Dziak, J. J., & Lanza, S. T. (2019, May). Combining latent class analysis with time-varying effect modeling: Understanding the epidemiology of alcohol use. Paper presented at the Society for Prevention Research 27th Annual Meeting: “Prevention Science in a Big Data World,” San Francisco, CA.
Bray, B. C., & Witkiewitz, K. (2019, May). Applying latent class models in prevention science: Practical solutions to everyday problems. Organized paper symposium presented at the Society for Prevention Research 27th Annual Meeting: “Prevention Science in a Big Data World,” San Francisco, CA.
Dziak, J. J., & Bray, B. C. (2019, May). Multiple imputation of missing covariate information in latent class analysis: Evaluation of a step-by-step approach. Paper presented at the Society for Prevention Research 27th Annual Meeting: “Prevention Science in a Big Data World,” San Francisco, CA.
Layland, E. K., Bray, B. C., Kubicek, K., Bhandari, S., & Kipke, M. D. (2019, May). Drug use patterns among young men of color who have sex with men. Poster presented at the Society for Prevention Research 27th Annual Meeting: “Prevention Science in a Big Data World,” San Francisco, CA.
LoBraico, E. J., Bray, B. C., Fosco, G. M., & Feinberg, M. (2019, May). Constellations of family risk and long-term adolescent antisocial behavior: A latent profile analysis. Paper presented at the Society for Prevention Research 27th Annual Meeting: “Prevention Science in a Big Data World,” San Francisco, CA.
Xia, M., Bray, B. C., & Fosco, G. M. (2019, May). Using multilevel latent profile analysis for daily diary data: Understanding the dynamics of mother-father-adolescent triadic relationships. Paper presented at the Society for Prevention Research 27th Annual Meeting: “Prevention Science in a Big Data World,” San Francisco, CA.
Van Doren, N., Layland, E. K., & Bray, B. C. (2019, May). Coping with racial discrimination: Person-centered coping profiles moderate the association between daily discrimination and depressive and anxious symptoms in African Americans. Poster presented at the Association for Psychological Science 31st Annual Convention, Washington, DC.
Surachman, A., Bray, B. C., Alexander, L. M., Coe, C. L., & Almeida, D. M. (2019, April). Latent classes of chronic kidney disease risk factors among adults in the Midlife in the United States (MIDUS) study: Socioeconomic covariates and association with eGFR. Poster presented at the International Society of Nephrology World Congress of Nephrology, Melbourne, Australia.
(under review) Higuchi, C. H., Cogo-Moreira, H., Ortiz, B., Correll, C., Noto, C., Okuda, P., …, Gadelha, A. (2019, April). Exploring new approaches to parse the clinical heterogeneity in schizophrenia by structure equation modeling. Paper presented at the 2019 Congress of the Schizophrenia International Research Society, Orlando, FL.
Weymouth, B. B., Fosco, G. M., Bray, B. C., & Feinberg, M. E. (2019, March). Sequence of co-occurring social anxiety and antisocial behavior during early adolescence: A latent transition analysis. Poster presented at the 2019 Biennial Meeting of the Society for Research in Child Development, Baltimore, MD.
Xia, M., Fosco, G. M., & Bray, B. C. (2019, March). Profiles of family relationship dynamics: Associations with adolescent flourishing. Paper presented at the 2019 Biennial Meeting of the Society for Research in Child Development, Baltimore, MD.
2018
Surachman, A., Bray, B. C., Gruenewald, T. L., & Almeida, D. M. (2018, November). Rags to rags, riches to riches: Socioeconomic mobility and psychobiological mediators of SES-health association. Paper presented at the Gerontological Society of America Annual Scientific Meeting, Boston, MA.
Rivera, P. M., Bray, B. C., Guastaferro, K. M., Kugler, K. C., & Noll, J. G. (2018, November). Linking patterns of substance use with sexual risk-taking among female adolescents with and without histories of maltreatment. Poster presented at the annual meeting of the American Association for Marriage and Family Therapy, Louisville, KY.
Bray, B. C. (2018, September). An introduction to latent class and latent profile analysis. Workshop presented at the Department of Family Studies and Human Development, The University of Arizona, Tuscon, AZ.
Bray, B. C. (2018, September). Increasing health equity using innovative design and analysis tools from The Methodology Center at Penn State. Paper presented at the Minority Affairs Workshop, American College of Epidemiology, Cincinnati, OH.
Koutoumanou, E. Batterham, M., & Bray, B. C. (2018, July). Statistics education in the workplace. Panel discussion presented at the 10th International Conference on Teaching Statistics, Kyoto, Japan.
Bray, B. C., Dziak, J. J., Patrick, M. E., & Lanza, S. T. (2018, June). Causal analysis with latent class exposures using inverse propensity scores and BCH adjustment. Poster presented at the 7th Annual Thomas R. Ten Have Symposium on Statistics in Mental Health, Chicago, IL.
Bray, B. C., & Liu, M. (2018, June). Discussion of “mediation analysis with censored time-to-event mediator”. Paper presented at the 7th Annual Thomas R. Ten Have Symposium on Statistics in Mental Health, Chicago, IL.
Chilenski, S. M., Prado, G., Etz, K., Bray, B. C., Knapp, A. A. (2018, May). Hot off the press! SPR training needs assessment findings: Dissemination and discussion around the reported training needs of SPR members. Roundtable panel discussion presented at the Society for Prevention Research 26th Annual Meeting: “Optimizing the Relevance of Prevention Science to Systems,” Washington, DC.
LoBraico, E. J., Bray, B. C., Fosco, G. M., Feinberg, M., Spoth, R., & Redmond, C. (2018, May). Profiles of risk among enrollees in the Strengthening Families Program: For Parents and Youth Ages 10-14. Poster presented at the Society for Prevention Research 26th Annual Meeting: “Optimizing the Relevance of Prevention Science to Systems,” Washington, DC.
Xia, M., Weymouth, B. B., Bray, B. C., Lippod, M. A., Feinberg, M. E., & Fosco, G. M. (2018, May). Exploring influence of triadic family relationship profiles on adolescents’ early substance initiation. Poster presented at the Society for Prevention Research 26th Annual Meeting: “Optimizing the Relevance of Prevention Science to Systems,” Washington, DC.
Xia, M., Fosco, G. M., & Bray, B. C. (2018, April). Triadic dance on a daily basis: Profiles of mother-father-adolescent triadic relationship forms and dynamics. Poster presentation at the Society for Research on Adolescence Biennial Meeting, Minneapolis, MN.
Weymouth, B. B., Fosco, G.M., Bray, B. C., & Feinberg, M. E. (2018, April). A latent profile analysis of co-occurring social anxiety and antisocial behavior: Implications for youth substance use initiation. Poster presentation at the Society for Research on Adolescence Biennial Meeting, Minneapolis, MN.
Hung, Y. W., Bray, B. C., & Maggs, J. L. (2018, March). Understanding childhood risk factors for patterns of distress, alcohol use, and smoking in adulthood. Paper presented at the NCDS 60 Years of Our Lives Conference, Centre for Longitudinal Studies, London, England.
Surachman, A., Gruenewald, T. L., Bray, B. C., & Almeida, D. M. (2018, March). Life course socioeconomic status and markers of inflammation in adulthood: A latent class analysis approach. Paper presented at the American Psychosomatic Society 76th Annual Scientific Meeting, Louisville, KY.
Bray, B. C. (2018, February). An introduction to latent class, latent profile, and latent transition analysis. Workshop presented at the Educational Psychology, Measurement, and Evaluation Program, University of Louisville, Louisville, KY.
2017
Bray, B. C. (2017, November). The Methodology Center at Penn State & our ongoing mixture modeling research. Brown bag seminar presented at the Methodology & Statistics Unit, Institute of Psychology, Leiden University, Leiden, Netherlands.
Jacka, B., Bray, B. C., Applegate, T. L., Marshall, B. D. L., Lima, V. D., Hayashi, K., …, Grebely, J. (2017, September). Hepatitis C virus phylogenetic clustering and latent class analysis of drug use among people who use drugs in Vancouver, Canada. Paper presented at the 6th International Symposium on Hepatitis Care in Substance Users, Jersey City, NJ.
Fitzpatrick, S. L., Brooks, N., Bray, B. C., Stevens, V. J. (2017, June). Non-adherence to behavioral recommendations is associated with suboptimal psychological well-being among African Americans. Poster presented at the 8th International Conference on Health Psychology, Havana, Cuba.
Terry-McElrath, Y. M., Patrick, M. E., Schulenberg, J. E., & Bray, B. C. (2017, June). Patterns of high-intensity drinking from ages 18 to 25/26: A U.S. national young adult sample. Poster presented at the Research Society on Alcoholism 40th Annual Scientific Meeting, Denver, CO.
Bray, B. C., & White, H. R. (2017, May). Understanding alcohol, marijuana and e-cigarette use during emerging adulthood: New contributions of person-centered approaches. Organized paper symposium presented at the Society for Prevention Research 25th Annual Meeting: “Prevention and Public Systems of Care: Research, Policy and Practice,” Washington, DC.
Bray, B. C., Berglund, P. A., & Patrick, M. E. (2017, May). Transitions in marijuana use and patterns of reasons for use during young adulthood. Paper presented at the Society for Prevention Research 25th Annual Meeting: “Prevention and Public Systems of Care: Research, Policy and Practice,” Washington, DC.
Guastaferro, K. M., & Bray, B. C. (2017, May). Examining patterns of childhood maltreatment history and adulthood mental health and substance use outcomes. Poster presented at the Society for Prevention Research 25th Annual Meeting: “Prevention and Public Systems of Care: Research, Policy and Practice,” Washington, DC.
Maldonado-Molina, M. M., Bray, B. C., Estrada, Y., & Prado, G. (2017, May). Profiles of parental acculturation and stress and effects on family cohesion, communication and positive parenting among Hispanics. Poster presented at the Society for Prevention Research 25th Annual Meeting: “Prevention and Public Systems of Care: Research, Policy and Practice,” Washington, DC.
Perzow, S. E., Bray, B. C., & Wadsworth, M. E. (2017, May). Stress response profiles and behavioral functioning among lowincome parents. Paper presented at the Society for Prevention Research 25th Annual Meeting: “Prevention and Public Systems of Care: Research, Policy and Practice,” Washington, DC.
Rivera, P. M., Bray, B. C., Guastaferro, K. M., & Fincham, F. D. (2017, May). Linking childhood maltreatment to patterns of adolescent substance use. Poster presented at the Society for Prevention Research 25th Annual Meeting: “Prevention and Public Systems of Care: Research, Policy and Practice,” Washington, DC.
Bray, B. C. (2017, April). An introduction to latent class, latent profile, and latent transition analysis. Workshop presented at the College of Public Health and Human Sciences, Oregon State University, Corvallis, OR.
2016
Bray, B. C. (2016, November). Transitions in smokers’ social networks after quit attempts and implications for cessation intervention: Results from a center-to-center collaboration. Paper presented at the Division of Epidemiology, Prevention, and Services Research Seminar, National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD.
Bray, B. C. (2016, October). An introduction to latent class analysis for prevention research: Identifying high-risk subgroups in the population. Workshop presented at the European Society for Prevention Research 7th Annual Conference and Members’ Meeting, Berlin, Germany.
Tucker-Seeley, R. D., McKay, A. S., Boulanger, V., & Bray, B. C. (2016, October). Expanding our notion of neighborhood socioeconomic status: Mix of neighborhood retail/service types as an indicator of neighborhood socioeconomic context. Paper presented at the Annual Meeting and Exposition of the American Public Health Association: “Creating the Healthiest Nation: Ensuring the Right to Health,” Denver, CO.
Bray, B. C. (2016, September). Gambling and polysubstance use behavior patterns: Using latent class analysis to examine the syndromal model of addiction. Poster presented at the National Center for Responsible Gaming 17th Annual Conference on Gambling and Addiction, Las Vegas, NV. [Honorable Mention]
Baraldi, A. N., & Bray, B. C. (2016, June). Three m’s in prevention research: Mediation, multilevel modeling, and missing data. Organized paper symposium presented at the Society for Prevention Research 24th Annual Meeting: “Using Prevention Science to Promote Health Equity and Improve Well-Being,” San Francisco, CA.
Bray, B. C. (2016, June). Gambling and polysubstance use behavior patterns: Using latent class analysis to examine the syndromal model of addiction. Poster presented at the Society for Prevention Research 24th Annual Meeting: “Using Prevention Science to Promote Health Equity and Improve Well-Being,” San Francisco, CA.
Bray, B. C., Berglund, P. A., & Patrick, M. E. (2016, June). Motivations for marijuana use among young adults in the U.S. Poster presented at the Society for Prevention Research 24th Annual Meeting: “Using Prevention Science to Promote Health Equity and Improve Well-Being,” San Francisco, CA.
Bray, B. C. (2016, May). My experience as a woman in mathematics and statistics. Discussion presented at the Women in Mathematics Day: Ireland at the Mathematics Applications Consortium for Science and Industry, University of Limerick, Limerick, Ireland.
Bray, B. C. (2016, May). Cutting-edge advances in latent class analysis for today’s behavioral scientists. Keynote paper presented at the Irish Statistical Association’s 36th Conference on Applied Statistics in Ireland at the Department of Mathematics and Statistics, University of Limerick, Limerick, Ireland.
Bray, B. C. (2016, May). Latent class analysis for uncovering hidden population subgroups. Workshop presented at the Irish Statistical Association’s 36th Conference on Applied Statistics in Ireland at the Department of Mathematics and Statistics, University of Limerick, Limerick, Ireland.
Willner, C. J., Gatzke-Kopp, L. M., & Bray, B. C. (2016, March). Electrophysiological indices of social threat processing biases in children with internalizing, externalizing, and comorbid symptoms. Poster presented at the 2016 annual conference of the Society for Affective Science, Chicago, IL.
Lanza, S. T., & Bray, B. C. (2016, January). Latent class, latent profile, and latent transition analysis. Workshop presented at the T. Denny Sanford School of Social and Family Dynamics, Arizona State University, Phoenix, AZ.
2015
Willner, C. J., Gatzke-Kopp, L. M., & Bray, B. C. (2015, October). Do automatic or controlled social threat processing biases predict children’s internalizing and externalizing symptom profiles? Poster presented at the 2015 Developmental Affective Neuroscience Symposium, Pittsburgh, PA.
Bray, B. C., & Hill, L. G. (2015, May). State-of-the-art approaches to latent class analysis with distal outcomes: Recommendations for today’s prevention scientists. Organized paper symposium presented at the Society for Prevention Research 23rd Annual Meeting: “Integrating Prevention Science and Public Policy,” Washington, DC.
Lanza, S. T., Bray, B. C., & Dziak, J. J. (2015, May). Comparing three approaches to latent class analysis with distal outcomes: A scientific summary. Paper presented at the Society for Prevention Research 23rd Annual Meeting: “Integrating Prevention Science and Public Policy,” Washington, DC.
Zhang, J., Dziak, J. J., Bray, B. C., Lanza, S. T., & Zhang, M. (2015, May). Extending latent class analysis with distal outcomes: Recommendations for adding control variables and moderators. Paper presented at the Society for Prevention Research 23rd Annual Meeting: “Integrating Prevention Science and Public Policy,” Washington, DC.
Bray, B. C., Lanza, S. T., & Coffman, D. L. (2015, May). Estimating causal effects with latent class variables: Exposures and outcomes. Paper presented at the Society for Prevention Research 23rd Annual Meeting: “Integrating Prevention Science and Public Policy,” Washington, DC.
Fosco, G. M., Bray, B. C., & Grych, J. H. (2015, May). A latent profile analysis of adolescents’ appraisals and triangulation into parental conflicts: Different outcomes for different profiles. Poster presented at the Association for Psychological Science 27th Annual Convention, New York, NY.
Bray, B. C. (2015, April). The good, the bad, and the ugly: What we know today about latent class analysis with distal outcomes. Paper presented at the Methodology, Analytics, & Psychometrics (MAP) Academy Emerging Scholar Series, University of Nebraska – Lincoln, Lincoln, NE.
Bray, B. C. (2015, April). An introduction to latent class and latent profile analysis: A statistics tutorial in two parts. Workshop presented at the Methodology, Analytics, & Psychometrics (MAP) Academy Emerging Scholar Series, University of Nebraska – Lincoln, Lincoln, NE.
2014
Bray, B. C. (2014, November). Latent profile analysis: A step-by-step primer. Workshop presented for the Leadership Seminar Series at the Business School of Durham University, Durham, England.
Bray, B. C., & Foti, R. J. (2014, November). A brief introduction to latent profile analysis in leadership research. Paper presented for the Leadership Seminar Series at the Business School of Durham University, Durham, England.
Bray, B. C. (2014, August). An introduction to latent class and latent transition analysis. Workshop presented at the Center for Center for Behavioral Research and Services, California State University Long Beach, Long Beach, CA.
Bray, B. C. (2014, July). A practical guide to causal inference with propensity scores. Workshop presented at the School of Public Health, Xi’an Jiaotong University, Xi’an, China.
Bray, B. C. (2014, July). An introduction to latent class analysis. Workshop presented at the School of Public Health, Xi’an Jiaotong University, Xi’an, China.
Bray, B. C. (2014, July). A practical guide to causal inference with propensity scores. Workshop presented at the School of Psychology, South China Normal University, Guangzhou, China.
Bray, B. C. (2014, July). An introduction to latent class analysis. Workshop presented at the School of Psychology, South China Normal University, Guangzhou, China.
Bray, B. C. (2014, June). An introduction to latent class and latent transition analysis. Workshop presented at the Guanghua School of Management, Center for Statistical Science and School of Mathematical Sciences, Peking University, Beijing, China.
Lanza, S. T., & Bray, B. C. (2014, May). Integrating propensity scores with latent class analysis to identify determinants of class membership. Paper presented at the Statistics and Causality Conference, Vienna, Austria.
Bray, B. C. (2014, May). Introduction to latent class and latent profile analysis. Workshop presented at the Learning and Performance Research Center, Department of Educational Leadership, Sports Studies, Educational and Counseling Psychology, Washington State University, Pullman, WA.
Foti, R. J., Coyle, P. T., & Bray, B. C. (2014, May). Differentiating perceptions of leaders and followers using ILTs and IFTs. Poster presented at the Society for Industrial/Organizational Psychology 29th Annual Conference, Honolulu, HI.
2013
Halliburton, A., & Bray, B. C. (2013, November). Long-term trends in U.S. adolescent inhalant use: Prevalence rates, influences of drug policy, and comparisons to other substances. Poster presented at the Association for Cognitive and Behavioral Therapies 47th Annual Convention: “Harnessing Synergy Among Multidisciplinary Sciences,” Nashville, TN.
Bray, B. C., Lanza, S. T., & Coffman, D. L. (2013, October). The causal effect of substance use latent class membership on a distal outcome.Paper presented at the 10th International Conference on Health Policy Statistics, Chicago, IL.
Coffman, D. L., Bray, B. C., & Lanza, S. T. (2013, October). Estimating the causal effect of a latent class treatment on binary and count outcomes.Paper presented at the 10th International Conference on Health Policy Statistics, Chicago, IL.
Bray, B. C., & Neighbors, C. (2013, September). Trends in research methodology: A workshop for early-stage investigators. Pre-conference workshop presented at the 14th Annual National Center for Responsible Gaming Conference on Gambling and Addiction, Las Vegas, NV.
Lanza, S. T., & Bray, B. C. (2013). Summer Institute on Innovative Methods: An introduction to latent class and latent transition analysis. Workshop presented at Penn State, University Park, PA.
Bray, B. C. (2013, June). An introduction to latent class and latent transition analysis. Workshop presented at Brigham Young University, Provo, UT.
Bray, B. C., & MacKinnon, D. P. (2013, May). Estimating the causal effect of a latent class treatment on distal behavioral and health outcomes. Organized paper symposium presented at the Society for Prevention Research 21st Annual Meeting: “The Science of Prevention: Building a Comprehensive National Strategy for Well-Being,” San Francisco, CA.
Coffman, D. L., Bray, B. C., Lanza, S. T., & Dierker, L. C. (2013, May). Estimating the causal effect of a latent class treatment on binary and count outcomes.Paper presented at the Society for Prevention Research 21st Annual Meeting: “The Science of Prevention: Building a Comprehensive National Strategy for Well-Being,” San Francisco, CA.
Lanza, S. T., Bray, B. C., Coffman, D. L. (2013, May). The causal effect of substance use latent class membership on a distal outcome.Paper presented at the Society for Prevention Research 21st Annual Meeting: “The Science of Prevention: Building a Comprehensive National Strategy for Well-Being,” San Francisco, CA.
Bray, B. C., & Novak, S. P. (2013, May). Inhalant use as a critical, understudied substance from late childhood to adulthood: Implications and opportunities for prevention scientists. Organized paper symposium presented at the Society for Prevention Research 21st Annual Meeting: “The Science of Prevention: Building a Comprehensive National Strategy for Well-Being,” San Francisco, CA.
Halliburton, A., Bray, B. C., & Ridenour, T. A. (2013, May). Testing the validity of the anticipated DSM-5 inhalant use disorder diagnosis: An item response theory analysis.Paper presented at the Society for Prevention Research 21st Annual Meeting: “The Science of Prevention: Building a Comprehensive National Strategy for Well-Being,” San Francisco, CA.
Butera, N. M., Bray, B. C., & Lanza, S. T. (2013, May). Consequences of adolescent substance use latent class membership: Associations with young adult distal outcomes. Poster presented at the Society for Prevention Research 21st Annual Meeting: “The Science of Prevention: Building a Comprehensive National Strategy for Well-Being,” San Francisco, CA.
Bray, B. C. (2013, May). An introduction to latent profile analysis. Workshop presented for the Department of Human Development and Family Studies, The Pennsylvania State University, University Park, PA.
2012
Schry, A. R., Lorenzi, J., Maddox, B. B., Neal, A., & Bray, B. C. (2012, November). Predictors of rape acknowledgment in college women. Poster presented at the 46th Annual Convention of the Association for Behavioral and Cognitive Therapies, National Harbor, MD.
Lanza, S. T., & Bray, B. C. (2012, October). Latent class analysis. Workshop presented for Methods Work, Silver Spring, MD.
Sheftall, A. H., Crum, P., Mathias, C. W., Bray, B. C., & Dougherty, D. M. (2012, June). Adolescent substance use, stressful life events, and impulsivity. Poster presented at the 35th Annual Meeting of the Research Society on Alcoholism, San Francisco, CA. Abstract published in Alcoholism: Clinical and experimental research, 36(Supplement s1), 397a.
Sheftall, A. H., Mathias, C. W., Bray, B. C., Farris, S. J., Crum, P. M., Kuckertz, J. M., … 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.
2011
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 73rd Annual Conference of the National Council on Family Relations: “Families and the Shifting Economy,” Orlando, FL.
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 119th Annual Convention of the American Psychological Association, Washington, DC.
Bray, B. C. (2011, June). Communicating prevention research to non-academic audiences: Working effectively with the government and media. Organized paper symposium presented at the 19th Annual Conference of the Society for Prevention Research: “Prevention Scientists Promoting Global Health: Emerging Visions for Today and Tomorrow,” Washington, DC.
Bray, B. C. (2011, June). Innovations in latent class analysis: New approaches to address classic questions. Organized paper symposium presented at the 19th Annual Conference of the Society for Prevention Research: “Prevention Scientists Promoting Global Health: Emerging Visions for Today and Tomorrow,” Washington, DC.
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 19th Annual Conference of the Society for Prevention Research: “Prevention Scientists Promoting Global Health: Emerging Visions for Today and Tomorrow,” Washington, DC.
Tan, X., Lanza, S. T., & Bray, B. C. (2011, June). Latent class analysis with distal outcomes: A model-based approach. Paper presented at the 19th Annual Conference of the Society for Prevention Research: “Prevention Scientists Promoting Global Health: Emerging Visions for Today and Tomorrow,” Washington, DC.
Bray, B. C., & Lanza, S. T. (2011, May). 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 annual meeting of the Modern Modeling Methods Conference, Storrs, CT.
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.
2010
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 18th Annual Conference of the Society for Prevention Research: “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.
Bray, B. C. (2010, June). Understanding adolescent risk behaviors: The contribution of person-centered approaches. Organized paper symposium presented at the 18th Annual Meeting of the Society for Prevention Research: “Cells to Society: Prevention at All Levels,” Denver, CO.
Bray, B. C. (2010, June). Promoting positive program outcomes through the application of latent variable methods. Organized paper symposium presented at the 18th Annual Meeting of the Society for Prevention Research: “Cells to Society: Prevention at All Levels,” Denver, CO.
2009
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 10th Annual Conference of the National Center for Responsible Gaming: “Money, Money, Money: Current Issues Affecting Research, Recovery and Responsible Gaming,” Las Vegas, NV.
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.
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.
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: University Park, PA.
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 32nd Annual Meeting of the Research Society on Alcoholism, San Diego, CA.
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 42nd Annual Meeting of the Society for Epidemiological Research: “Epidemiologists as Vectors for Transmitting Health,” Anaheim, CA.
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 17th Annual Meeting of the Society for Prevention Research: “Power of Relationships: Implications for Prevention Science,” Washington, DC.
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 17th Annual Meeting of the Society for Prevention Research: “Power of Relationships: Implications for Prevention Science,” Washington, DC.
2008
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.
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.
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 16th Annual Meeting of the Society for Prevention Research: “Context and Prevention Science,” San Francisco, CA.
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.
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 8th Annual Scientific Meeting of the American Academy of Health Behavior: “Addictions: From Cells to Societies,” Oxnard, CA.
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 Biennial Meeting of the Society for Research on Adolescence, Chicago, IL.
2007
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 8th Annual Conference of the National Center for Responsible Gaming: “Responsible Gaming, Regulation and Recovery: Testing Conventional Wisdom,” Las Vegas, NV.
Bray, B. C., & Rhoades, B. L. (2007, May). Modeling risky behaviors with latent class and latent transition analysis: New applications and innovative approaches. Organized poster forum presented at the 15th Annual Meeting of the Society for Prevention Research: “Advancing Science-Based Prevention: Creating Real World Solutions,” Washington, DC.
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 15th Annual Meeting of the Society for Prevention Research: “Advancing Science-Based Prevention: Creating Real World Solutions,” Washington, DC.
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.
2006
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.
Bray, B. C. (2006, June). Recent research on gambling from late childhood to adulthood: Implications for prevention. Organized paper symposium presented at the 14th Annual Meeting of the Society for Prevention Research: “Applying Prevention Science to Reduce Health Disparities,” San Antonio, TX.
Bray, B. C., & Collins, L. M. (2006, June). The structure of gambling behavior in adulthood. Paper presented at the 14th Annual Meeting of the Society for Prevention Research: “Applying Prevention Science to Reduce Health Disparities,” San Antonio, TX.
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 14th Annual Meeting of the Society for Prevention Research:“Applying Prevention Science to Reduce Health Disparities,” San Antonio, TX.
2005
Bray, B. C., & Collins, L. M. (2005, December). Using latent class analysis to examine the structure of gambling behavior. Poster presented at the 6th Annual Conference of the National Center for Responsible Gaming: “Finding Common Ground on Prevention, Treatment, and Policy,” Las Vegas, NV.
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 13th Annual Meeting of the Society for Prevention Research: “Prevention Science to Public Health: Promoting Well-Being in the Population,” Washington, DC.
Bray, B. C., Whyte, K. S., & Collins, L. M. (2005, May). The methodological state of research on gambling among adolescents. Poster presented at the 13th Annual Meeting of the Society for Prevention Research: “Prevention Science to Public Health: Promoting Well-Being in the Population,” Washington, DC.
2004
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.
2003
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 11th Annual Meeting of the Society for Prevention Research: “Research to Policy,” Washington, DC.
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.
2000
Wong, P., McAuslan, P., & Bray, B. C. (2000, August). Survey of problem gambling in the Metropolitan Detroit Area, 2000. Paper presented at theJoint Mathematical Association of America and Pi Mu Epsilon National Conference, Los Angeles, CA.
state & local
Bray, B. C. (2022, November). Getting engaged with the Institute for Health Research and Policy (IHRP). Presentation to the Center for Health Equity Research Chicago, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C. (2021, December). Introduction to National Institutes of Health Grant Mechanisms. Presentation to the Bloomberg Project Annual Staff Meeting, Institute for Health Research and Policy, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C., Kendall, A. D., Nyenhuis, S. M., & Snow-Hill, N. L. (2021, April). Introduction to dissemination and implementation science. Workshop for the Center for Dissemination and Implementation Science, Department of Medicine, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C. (2020, December). Open discussion about applying latent class models in your own work. Workshop for the Center for Dissemination and Implementation Science, Department of Medicine, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C. (2020, November). Programming advanced latent class models in SAS, Mplus, and Latent GOLD. Workshop for the Center for Dissemination and Implementation Science, Department of Medicine, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C. (2020, October). Latent class analysis with distal outcomes, including latent class moderation. Workshop for the Center for Dissemination and Implementation Science, Department of Medicine, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C. (2020, September). Longitudinal extensions of latent class analysis, including latent transition analysis. Workshop for the Center for Dissemination and Implementation Science, Department of Medicine, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C. (2020, August). Programming basic latent class models in SAS, Mplus, and Latent GOLD. Workshop for the Center for Dissemination and Implementation Science, Department of Medicine, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C. (2020, July). Introduction to latent class and latent profile analysis. Workshop for the Center for Dissemination and Implementation Science, Department of Medicine, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C. (2019, September). Advancing intervention science and promoting health equity using innovative quantitative methods. Presentation for the Community and Prevention Research Brown Bag Series, Department of Psychology, The University of Illinois at Chicago, Chicago, IL.
Bray, B. C. (2018, October). The cutting-edge of design and analysis: Penn State’s Methodology Center. Presentation for the Penn State College of Medicine Postdoc Society, Penn State Hershey, Hershey, PA.
Bray, B. C. (2018, September). The cutting-edge of design and analysis: Penn State’s Methodology Center. Presentation for the Human Development and Family Studies All-Campus Meeting, Penn State, University Park, PA.
Bray, B. C. (2018, February). New advances in latent class analysis from The Methodology Center at Penn State. Paper presented at the CTSI BERD Seminar Series, Social Science Research Institute, Penn State, University Park, PA.
Dziak, J. J., Bray, B. C., Lanza, S. T. (2017, May). Performance of multiple imputation for missing data in latent class analysis. Poster presented at the Rao Prize Conference, Department of Statistics, Penn State, University Park, PA.
Lanza, S. T., & Bray, B. C. (2016, April). Introduction to latent class analysis for health behavior research. Workshop presented at the Department of Public Health Sciences, Penn State Hershey College of Medicine, Hershey, PA.
Bray, B. C. (2016, March). The cutting-edge of design and analysis: Penn State’s Methodology Center. Presentation for Penn State Data Day, PSU Libraries Data Learning Center, Penn State, University Park, PA.
Bray, B. C. (2016, March). Center for Complex Data to Knowledge in Drug Abuse and HIV Behavioral Science: What is it that we do over there on that new 4th floor? Presentation for Spring Seminar Series, Bennett Pierce Prevention Research Center, Penn State, University Park, PA.
Bray, B. C. (2015, November). The cutting-edge of design and analysis: Penn State’s Methodology Center. Presentation for the Stat Club, Department of Statistics, Penn State, University Park, PA.
Bray, B. C. (2015, November). The cutting-edge of design and analysis: Penn State’s Methodology Center. Presentation for CTSI Scholars, Social Science Research Institute, Penn State, University Park, PA.
Bray, B. C., Dziak, J. J., & Lanza, S. T. (2015, April). The good, the bad, and the ugly: What we know today about latent class analysis with distal outcomes. Poster presented at the Annual Joint Seminar of The Methodology Center and Prevention Research Center, Penn State, University Park, PA.
Bray, B. C., Dziak, J. J., & Lanza, S. T. (2015, March). The good, the bad, and the ugly: What we know today about latent class analysis with distal outcomes. Poster presented at the College of Health and Human Development Annual Research Forum, Penn State, University Park, PA.
Bray, B. C. (2015, March). The cutting-edge of design and analysis: Penn State’s Methodology Center. Presentation for the Stat Club, Department of Statistics, Penn State, University Park, PA.
Bray, B. C. (2015, January). The cutting-edge of design and analysis: Penn State’s Methodology Center. Presentation for the Industrial/Organizational Psychology Program, Department of Psychology, Penn State, University Park, PA.
Halliburton, A. E., Bray, B. C., & Ridenour, T. A. (2012, May). Testing the validity of the anticipated DSM-5 inhalant use disorder diagnosis: An item response theory analysis. Paper presented at the annual meeting of the Virginia Academy of Science, Norfolk, VA.
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.
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.
Bray, B. C. (2006, February). Rambling, gambling Willie: What Bob Dylan left out about pathological gambling. Paper presented at the Centre County Correctional Facility, Bellefonte, PA.
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.
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.
tech demos
Bray, B. C., & Weaver, C. (2021, May). The Latent Class Analysis Knowledge Base: A new, comprehensive, online resource for latent class modeling. Technology demonstration presented at the Society for Prevention Research 29th Annual Meeting: “Addressing Racism and Disparities when Considering Biology and Context,” Washington, DC.
Wagner, A. T., Dziak, J. J., Huang, L., Singh, K., & Bray, B. C. (2020, May). Online resources and software available through the Penn State Methodology Center. Technology demonstration presented at the Society for Prevention Research 28th Annual Meeting: “Why Context Matters: Towards a Place-Based Prevention Science,” Washington, DC. [parts of conference cancelled due to COVID-19]
Wagner, A. T., Dziak, J. J., Huang, L., Connolly, P. H., & Bray, B. C. (2019, May). Software, instructional materials, videos, and other resources from The Methodology Center at Penn State. Technology demonstration presented at the Society for Prevention Research 27th Annual Meeting: “Prevention Science in a Big Data World,” San Francisco, CA.
Wagner, A. T., Connolly, P. H., Dziak, J. J., Huang, L., & Bray, B. C. (2018, May). Online methodological resources and software from the Penn State Methodology Center. Technology demonstration presented at the Society for Prevention Research 26th Annual Meeting: “Optimizing the Relevance of Prevention Science to Systems,” Washington, DC.
Dziak, J. J., Bray, B. C., Huang, L., & Wagner, A. T. (2017, May). Free design and analysis software for use with R and SAS from the Penn State Methodology Center. Technology demonstration presented at the Society for Prevention Research 25th Annual Meeting: “Prevention and Public Systems of Care: Research, Policy and Practice,” Washington, DC.
Dziak, J. J., Bray, B. C., Huang, L., Wagner, A. T., & Lanza, S. T. (2016, May). Free software for data analysis and experimental design from the Penn State Methodology Center. Technology demonstration presented at the Society for Prevention Research 24th Annual Meeting: “Using Prevention Science to Promote Health Equity and Improve Well-Being,” San Francisco, CA.
Bray, B. C., Dziak, J. J., Huang, L., Wagner, A. T., & Lanza, S. T. (2015, May). New online resources and software tools for analysis and design from the Penn State Methodology Center. Technology demonstration presented at the Society for Prevention Research 23rd Annual Meeting: “Integrating Prevention Science and Public Policy,” Washington, DC.
Bray, B. C., Dziak, J. J., Huang, L., Wagner, A. T., & Lanza, S. T. (2014, May). Innovative software for prevention scientists: SAS, R, and STATA tools for analysis and experimental design. Technology demonstration presented at the Society for Prevention Research 22nd Annual Meeting: “Comprehensive and Coordinated Prevention Systems: Building Partnerships and Transcending Boundaries,” Washington, DC.
Bray, B. C., Huang, L., Yang, J., Dziak, J. J., Lanza, S. T., & Wagner, A. T. (2013, May). New SAS, R, and Stata software for prevention scientists: Tools for LCA, missing data, adaptive interventions, and EMA data.Technology demonstration presented at the Society for Prevention Research 21st Annual Meeting: “The Science of Prevention: Building a Comprehensive National Strategy for Well-Being,” San Francisco, CA.
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 16th Annual Meeting of the Society for Prevention Research: “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 15th Annual Meeting of the Society for Prevention Research: “Advancing Science-Based Prevention: Creating Real World Solutions,” Washington, DC.
Bray, B. C. (2006, Summer). An introduction to programming in SAS. The Pennsylvania State University: University Park, PA.
bethany c. bray 