• Elected to Society for Multivariate Experimental Psychology (1987).
• R.B. Cattell Award for Distinguished Multivariate Behavioral Research (1991).
• USC Psychology Department Mentorship Award (1991).
• USC Psychology Department Teacher of the Year (1992).
• President of Society of Multivariate Experimental Psychology (1995).
• Elected Fellow, Division 5, American Psychological Association (1996).
• Elected Fellow, American Psychological Society (1997).
• Selected as a Core Scientist for the Tobacco Etiology Research Network funded by the Robert Wood Johnson Foundation (1997-2004).
• Penn State Faculty Scholar Medal for the Social and Behavioral Sciences (2000).
• 2004 President’s Award, Society for Prevention Research.
• President-Elect, Society for Prevention Research 2007-2009.
• President, Society for Prevention Research 2009-2011.

Methodology for Drug Abuse Prevention Research
2004-2009
National Institute on Drug Abuse: K05 Award
Role: Principal Investigator
Direct costs: $617,000 (approx.)

Collins, L.M., & Lanza, S.T. (in preparation). Latent class and latent transition analysis for the social, behavioral, and health sciences. New York: Wiley.

Murphy, S.A., Collins, L.M., & Rush, A.J. (2007). Special issue of Drug and Alcohol Dependence: Customizing treatment to the patient: Adaptive treatment strategies. Elsevier.

Collins, L.M., Murphy, S.A., & Bierman, K. (2004). A conceptual framework for adaptive preventive interventions. Prevention Science, 3, 185-196.

Donny, E.C., Lanza, S.T., Balster, R.L., Collins, L.M., Caggiula, A., & Rowell, P. (2004). Using growth models to relate acquisition of nicotine self-administration to break point and nicotinic receptor binding. Drug and Alcohol Dependence, 75, 23-35.

Lanza, S.T., Donny, E.C., Collins, L.M., & Balster, R.L. (2004). Analyzing the acquisition of drug self-administration using growth curve models. Drug and Alcohol Dependence, 75, 11-21.

Lanza, S.T., Collins, L.M., Schafer, J.L., & Flaherty, B.P. (2005). Using data augmentation to obtain standard errors and conduct hypothesis tests in latent class and latent transition analysis. Psychological Methods, 10, 84-100.

Collins, L.M., Murphy, S.A., Nair, V., & Strecher, V. (2005). A strategy for optimizing and evaluating behavioral interventions. Annals of Behavioral Medicine, 30, 65-73.

Flay, B.R., & Collins, L.M. (2005). Historical review of school-based randomized trials for evaluating problem behavior prevention programs. Annals of the American Academy of Political and Social Science, 599, 115-146.

Collins, L.M. (2006). Analysis of longitudinal data: The integration of theoretical model, temporal design and statistical model. Annual Review of Psychology, 57, 505-528.

Dierker, L., Lloyd-Richardson, E., Stolar, M., Flay, B., Tiffany, S., Collins, L., Bailey, S., Nichter, M., Nichter, M., Clayton, R., The Tobacco Etiology Research Network (TERN). (2006). The proximal association between smoking and alcohol use among first year college students. Drug and Alcohol Dependence, 81, 1-9.

Lanza, S.T., & Collins, L.M. (2006). A mixture model of discontinuous development in heavy drinking from ages 8 to 30: The role of college enrollment. Journal of Studies on Alcohol, 67, 552-561.

Auerbach, K.J. & Collins, L.M. (2006). A multidimensional developmental model of alcohol use during emerging adulthood. Journal of Studies on Alcohol, 67, 917-925.

Zafra-Cabeza, A., Rivera, D.E., Collins, L.M., Ridao, M.A., & Camacho, E.F. (2006). A risk-based model predictive control approach to adaptive interventions in behavioral health. In Proceedings of the 45th IEEE Conference on Decision and Control, 673-678.

Murphy, S.A., Oslin, D.W., Rush, A.J., Zhu, J., & MCATS. (2007). Methodological challenges in constructing effective treatment sequences for chronic psychiatric disorders. Neuropsychopharmacology, 32, 257-262.

Rivera, D.E., Pew, M.D., & Collins, L.M. (2007). Using engineering control principles to inform the design of adaptive interventions. Drug and Alcohol Dependence, 88, S31-S40.

Dierker, L.C., Donny, E., Tiffany, S., Colby, S.M., Perrine, N., Clayton, R.R., Tobacco Etiology Research Network (TERN). (2007). The association between cigarette smoking and DSM-IV nicotine dependence among first year college students. Drug and Alcohol Dependence, 86, 106-114.

Collins, L.M., Murphy, S.A., & Strecher, V. (2007). The Multiphase Optimization Strategy (MOST) and the Sequential Multiple Assignment Randomized Trial (SMART): New methods for more potent e-health interventions. American Journal of Preventive Medicine, 32, S112-S118.

Maldonado-Molina, M.M., Collins, L.M., Lanza, S.T., Prado, G., Ramirez, R., & Canino, G. (2007). Patterns of substance use onset among Hispanics in Puerto Rico and the United States. Addictive Behaviors, 32, 2432-2437.

Lanza, S.T., & Collins, L.M., Lemmon, D., & Schafer, J. L. (2007). PROC LCA: A SAS procedure for latent class analysis. Structural Equation Modeling, 14, 671-694.

Costello, D., Dierker, L., Sledjeski, E., Flaherty, B., Flay, B., Shiffman, S., & the Tobacco Etiology Research Network (TERN). (2007). Confirmatory factor analysis of the Nicotine Dependence Syndrome Scale in an American college sample of light smokers. Nicotine and Tobacco Research, 9, 811-819.

Sledjeski, E., Dierker, L., Costello, D., Shiffman, S., Donny, E., Flay, B., & the Tobacco Etiology Research Network (TERN). (2007). Predictive validity of four nicotine dependence measures in a college sample. Drug and Alcohol Dependence, 87, 10-19.

Tiffany, S. T., Agnew, C., Maylath, N., Dierker, L., Flaherty, B. Richardson, E., Balster, R., Segress, M. H., Clayton, R., & and the Tobacco Etiology Research Network (TERN). (2007). Smoking in College Freshmen: The University Project of the Tobacco Etiology Research Network (UpTERN). Nicotine & Tobacco Research, 9, S611-S625.

Dierker, L. C., Stolar, M., Richardson, E., Tiffany, S., Flay, B., Collins, L., Nichter, M., Nichter, M., Bailey, S., Clayton, R. and the Tobacco Etiology Research Network (TERN). (2008). Tobacco, alcohol and marijuana use among first year U.S. college students: A time series analysis. Substance Use and Misuse, 43, 680-699.

Strecher, V.J., McClure, J.B., Alexander, G.W., Chakraborty, B., Nair, V.N., Konkel, J.M., Greene, S.M., Collins, L.M., Carlier, C.C., Wiese, C.J., Little, R.J., Pomerleau, C.S., Pomerleau, O.F. (2008). Web-based smoking cessation programs: Results of a randomized trial. American Journal of Preventive Medicine, 34, 373-381.

Lanza, S.T., & Collins, L.M. (2008). A new SAS procedure for latent transition analysis: Transitions in dating and sexual behavior. Developmental Psychology, 44, 446-456.

Collins, L.M., Chakraborty, B., Murphy, S.A., & Strecher, V. (2009). Comparison of a phased experimental approach and a single randomized clinical trial for developing multicomponent behavioral interventions. Clinical Trials, 6, 5-15.

Patrick, M., Collins, L.M., Smith, E.A., Caldwell, L., Flisher, A., & Wegner, L. (2009). A prospective longitudinal model of substance use onset among South African adolescents. Substance Use & Misuse, 44, 647-662.

Cleveland, M.J., Collins, L.M., Lanza, S.T., Greenberg, M.T., & Feinberg, M.E. (In press). Does individual risk moderate the effect of contextual-level protective factors? A latent class analysis of substance use. Journal of Prevention and Intervention in the Community.

Lanza, S.T., & Collins, L.M. (In press). Modeling multidimensional sexual risk behavior using latent class analysis. In F. Columbus (Ed.), Sexual Risk Behaviors. Hauppauge, NY: Nova.

Collins, L.M., Dziak, J.R., & Li, R. (In press). Design of experiments with multiple independent variables: A resource management perspective on complete and reduced factorial designs. Psychological Methods.

Chakraborty, B., Collins, L.M., Strecher, V., and Murphy, S.A. (In press). Developing multicomponent interventions using fractional factorial designs. Statistics in Medicine.

Murphy, S.A., Collins, L.M., & Rush, A.J. (2007). (Editorial). Customizing treatment to the patient: Adaptive treatment strategies. Drug and Alcohol Dependence, 88, S1-S3. Elsevier.

Lanza, S. T., Lemmon, D., Schafer, J. L., & Collins, L. M. (2007). PROC LCA & PROC LTA User’s Guide Version 1.1.3 beta. University Park, PA: The Pennsylvania State University, The Methodology Center.

Collins, L.M., Murphy, S.A., & Nair, V.N. (February, 2004). Using sequential experimentation to develop multi-component interventions. Presented at the Prevention Research Center Colloquium Series, Penn State.

Collins, L.M. (March, 2006). The Multiphase Optimization Strategy for building, optimizing, and evaluating behavioral interventions. Presented at the Joint Meeting on Adolescent Treatment Effectiveness, Baltimore, MD.

Collins, L.M. (May, 2006). Fractional factorial designs for intervention research. Presented at the annual meeting of the Society for Prevention Research, San Antonio, TX.

Collins, L.M. (December, 2006). An empirical framework for increasing the effectiveness of evidence-based behavioral interventions. Presented at the Asia Pacific Evidence-Based Medicine conference, Hong Kong.

Collins, L.M. (June, 2004). The Multiphase Optimization Strategy (MOST). Presented at the University of Puerto Rico Medical School, San Juan, PR.

Collins, L.M., Flaherty, B.P., & Tang, Z. (July, 2004). Associative latent transition analysis (ALTA). Presented at the biennial meetings of the Society of Multivariate Analysis in the Behavioral Sciences, Jena, Germany.

Collins, L.M. (November, 2004). The Multiphase Optimization Strategy (MOST) for drug abuse prevention and treatment research. Presented at National Development and Research Institute, New York, NY.

Collins, L.M. (December, 2004). Methodological considerations in longitudinal behavioral research. Presented at the EXPORT conference, University of Puerto Rico, San Juan, PR.

Collins, L.M. (February, 2005). The Multiphase Optimization Strategy (MOST). Presented at Rutgers University, New Brunswick, NJ.

Collins, L.M. (February, 2005). The Multiphase Optimization Strategy (MOST) for behavioral intervention development. Presented at the University of Pennsylvania, Philadelphia, PA.

Collins, L.M. (April, 2005). Introduction to Latent Transition Analysis (LTA). Presented at Case Western Reserve University, Cleveland, OH.

Collins, L.M. (April, 2005). The Multiphase Optimization Strategy (MOST) for development and evaluation of behavioral interventions. Presented at the University of Michigan, Ann Arbor, MI.

Collins, L.M. (June, 2005). eIntervention Science: Looking inside the black box with the Multiphase Optimization Strategy (MOST). Keynote address at the Critical Issues in eHealth Conference, Bethesda, MD.

Collins, L.M. (June, 2005). Developing and evaluating behavioral interventions using MOST. Presented at the Annual Meetings of the College on Problems of Drug Dependence, Orlando, FL.

Collins, L.M. (August, 2005). Introduction to methodological research at Penn State. Presented at the University of the Western Cape, Cape Town, South Africa.

Collins, L.M. (October, 2005). The Multiphase Optimization Strategy (MOST): An extension of randomized clinical trials. Presented at the Statistics Department Colloquium Series, Penn State, University Park, PA.

Collins, L.M. (November, 2005). Methodological research in an interdisciplinary context. Presented at the University of South Carolina, Columbia, SC.

Collins, L.M. (December, 2005). The Multiphase Optimization Strategy (MOST) for optimizing and evaluating behavioral interventions. Presented at the School of Public Health, University of North Carolina, Chapel Hill, NC.

Collins, L.M. & Lanza, S.T. (June, 2006). Introduction to latent class and latent transition analysis. Presented at the International Developmental Sciences Institute, Penn State, University Park, PA.

Collins, L.M. (June, 2006). The Multiphase Optimization Strategy for building and evaluating adaptive interventions. Presented at the New Clinical Drug Evaluation Unit (NCDEU) Meeting, Boca Raton, FL.

Collins, L.M. (August, 2006). Overview of methodological challenges in prevention and treatment research. Presented at the Office of Behavioral and Social Science Research Methodology and Technology Summit, Bethesda, MD.

Collins, L.M. (August, 2006). Analysis of longitudinal data: The integration of theoretical model, temporal design, and statistical model. Presented at the CALDAR Summer Institute, Los Angeles, CA.

Collins, L.M. (September, 2006). The Multiphase Optimization Strategy for building and evaluating behavioral interventions. Presented at the Center for Injury Research and Prevention, Children’s Hospital, University of Pennsylvania, Philadelphia, PA.

Collins, L.M. (October, 2006). A multi-phase approach for building, optimizing, and evaluating behavioral interventions. Presented at the Department of Public Health, Oregon State University, Corvallis, OR.

Collins, L.M. (October, 2006). The Multiphase Optimization Strategy for empirical development of behavioral interventions. Presented at the Department of Biobehavioral Health, Penn State University, University Park, PA.

Collins, L.M. (December, 2006). The Multiphase Optimization Strategy for empirical intervention development. Presented at the Department of Psychology, University of Hong Kong.

Collins, L.M., Lanza, S.T., & Bray, B.C. (February, 2007). Week-long workshop on latent class and latent transition analysis. Presented at the University of Cologne, Cologne, Germany.

Collins, L.M. (March, 2007). The Multiphase Optimization Strategy (MOST) for building and evaluating behavioral interventions. Presented at the Clinical Epidemiology and Biostatistics Unit, University of Melbourne, Melbourne, Australia.

Collins, L.M. (March, 2007). New strategies for building and evaluating behavioral interventions. Presented at Deakin University, Melbourne, Australia.

Collins, L.M. (March, 2007). New strategies for building more potent behavioral interventions. Presented at the Annual Meeting of the American Academy of Health Behavior, Savannah, Georgia.

Collins, L.M. (April, 2007). New approaches for building and evaluating behavioral interventions. Presented at the Center for Excellence in Cancer Communication Research, University of Pennsylvania, Philadelphia, PA.

Collins, L.M. (April, 2007). Introduction to the Multiphase Optimization Strategy (MOST): An empirical framework for increasing the effects of evidence-based behavioral medicine. Presented at the Penn State Diabetes Center Research Retreat, Penn State, University Park, PA.

Collins, L.M. (August, 2007). The obesity prevention/treatment field’s stake in innovative methodological research. Presented at the Working Group on Future Research Directions in Childhood Obesity Prevention and Treatment, Bethesda, MD.

Collins, L.M. (October, 2007). Methodology for empirical research in obesity: Issues and new directions. Presented at Beyond Individual Behavior: Multidimensional Research in Obesity Linking Biology to Society, Arlington, VA.

Collins, L.M. (October, 2007). Building more potent interventions to prevent drug abuse: Some new directions. Presented at Le Colloque International Toxicomanies Hépatites Sida (THS) 8, Biarritz, France.

Collins, L.M. (November, 2007). New strategies for building more potent behavioral interventions. Presented at the Carolina Consortium on Human Development, University of North Carolina, Chapel Hill, NC.

Collins, L.M. (February, 2008). Building more efficacious and effective behavioral interventions: One view of the future of intervention development. Presented at the Yale Child Study Center, Yale University, New Haven, CT.

Collins, L.M. (February, 2008). Building more efficacious and effective behavioral interventions. Presented at the Cancer Prevention Research Center, University of Rhode Island, Kingston, RI.

Collins, L.M. (March, 2008). Building better behavioral interventions: One view of the future of intervention development. Presented at New York University, New York, NY.

Collins, L.M. (March, 2008). Building more efficacious and effective behavioral interventions: One view of the future of intervention development. Keynote address presented at the Annual Meeting of the Society of Behavioral Medicine, San Diego, CA.

Collins, L.M. (April, 2008). The optimization cycle approach to building better behavioral interventions. Presented at Department of Psychiatry, Yale University, West Haven, CT.

Collins, L.M. (June, 2008). Building more efficacious and effective behavioral interventions using the optimization cycle approach. Presented at the National Institutes of Health Summer Institute on Randomized Clinical Trials, Airlee, VA.

Collins, L.M. (September, 2008). The optimization cycle approach to building better behavioral interventions. Presented at the Center for Tobacco Research and Intervention, Department of Psychiatry, University of Wisconsin, Madison, WI.

Collins, L.M., Lanza, S.T., & Bray, B.C. (September, 2008). Masterclass: Latent class analysis for cross-sectional and longitudinal data. Workshop presented at the 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. (October, 2008). The optimization cycle approach to building better behavioral interventions. Presented at the Department of Psychiatry, University of Cincinnati, Cincinnati, OH.

Collins, L.M., Lanza, S.T., & Bray, B.C. (October, 2008). Workshop on latent class and latent transition analysis. Presented at the Center for Drug Abuse Research Translation, University of Kentucky, Lexington, KY.

Collins, L.M. (October, 2008). The optimization cycle approach to building better behavioral interventions. Presented at the Institute of Applied Health Sciences, College of Life Sciences and Medicine, University of Aberdeen, Aberdeen, Scotland.