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Research Affiliate, Population Studies Center.
Research Professor, Survey Research Center.
Ph.D., University of North Carolina
Dr. Murphy's current primary interest is in causal inference and multi-stage decisions, sometimes called dynamic treatment regimes. Dynamic treatment regimes are individually tailored treatments involving a sequence of decision rules that specify when to alter therapy. The decision rules employ variables such as patient response, risk, burden, adherence, and preference, collected during prior therapy.
Almirall, Daniel, Daniel F. McCaffrey, Rajeev Ramchand, and Susan A. Murphy. 2013. "Subgroups Analysis when Treatment and Moderators are Time-varying." Preventive Science, 4(2): 169-178. PMCID: PMC3135740. DOI. Abstract.
Almirall, D., S. Compton, M. Rynn, J. Walkup, and Susan A. Murphy. 2012. "SMARTer Discontinuation Trial Designs for Developing an Adaptive Treatment Strategy." Journal of Child and Adolescent Psychopharmacology, 22(5): 364-374. PMCID: PMC3482379. DOI. Abstract.
Little, R., R. D'Agostino, M. Cohen, K. Dickersin, S. Emerson, J. Farrar, C. Frangakis, J. Hogan, G. Molenberghs, Susan A. Murphy, J. Neaton, A. Rotnitzky, D. Scharfstein, W. Shih, J.P. Siegel, and H. Stern. 2012. "The Prevention and Treatment of Missing Data in Clinical Trials." New England Journal of Medicine, 367(14): 1355-1360. DOI.
Nahum-Shani, I., M. Qian, D. Almirall, W. Pelham, B. Gnagy, G. Fabiano, J. Waxmonsky, J. Yu, and Susan A. Murphy. 2012. "Experimental Design and Primary Data Analysis Methods for Comparing Adaptive Interventions." Psychological Methods, 17(4): 457-477. DOI. Abstract.
Nahum-Shani, I., M. Qian, D. Almirall, W. Pelham, B. Gnagy, G. Fabiano, J. Waxmonsky, J. Yu, and Susan A. Murphy. 2012. "Q-Learning: A Data Analysis Method for Constructing Adaptive Interventions." Psychological Methods, 17(4): 478-494. DOI. Abstract.
Lizotte, Daniel, Michael Bowling, and Susan A. Murphy. 2012. "Linear Fitted-Q Iteration with Multiple Reward Functions." Journal of Machine Learning Research, 13: 3253-3295. NIHMSID: NIHMS445983.
Lei, H., I. Nahum-Shani, K. Lynch, D. Oslin, and Susan A. Murphy. 2012. "A “SMART” Design for Building Individualized Treatment Sequences." Annual Review of Clinical Psychology, 8: 21-48. DOI. Abstract.
Almirall, Daniel, Scott Compton, Meredith Gunlicks-Stoessel, Naihua Duan, and Susan A. Murphy. 2012. "Designing a pilot sequential multiple assignment randomized trial for developing an adaptive treatment strategy." Statistics in Medicine, 31(17): 1887-1902. PMCID: PMC3399974. DOI.