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Research Overview
Ofer Harel, Ph.D. is an assistant professor in the Department of Statistics at the University of Connecticut. Dr. Harel received his doctorate in statistics in 2003 from the Pennsylvania State University; where he developed his methodological expertise in the areas of missing data techniques, diagnostic tests, longitudinal studies, bayesian methods, sampling techniques, mixture models, latent class analysis, and statistical consulting. Dr. Harel received his post-doctoral training at the University of Washington, Department of Biostatistics, where he worked for the HSR&D Center of Excellence, VA Puget Sound Healthcare System, and the National Alzheimer’s Coordinating Center (NACC). Dr. Harel has served as a biostatistical consultant nationally and internationally since 1997. Through his collaborative consulting, Dr. Harel has been involved with a variety of research fields including, but not limited to Alzheimer’s, diabetes, nutrition, HIV/AIDS, and alcohol and drug abuse prevention. Dr. Harel has supervised several undergraduate and graduate students.
Education
Ph.D., Pennsylvania State University, 2003 (statistics)
B.A., University of Haifa (Israel), 1998 (economics and statistics)
Featured Publications
Harel, O., Schisterman, E.F., Vexler, A. and Ruopp, M.D. “Can We Get Better Data: A Statistical Approach to Monitor Quality Control” Epidemiology, In Press.
Koepsell, T.D., Kurland, B.F., Zhou, X.H., Harel, O. and Kukull, W.A. (2007), “Education, cognitive function, and severity of neuropathology in alzheimer's disease” Neurology, DOI: 10.1212/01.wnl.0000284603.85621.aa.
Harel, O. for SBIRT Collaborative. (2007) “The Impact of Screening, Brief Intervention and Referral for Treatment (SBIRT) on Emergency Department Patients' Alcohol Use” Annals of Emergency Medicine, 50(6), 699-710.
Bauer, L.O., Covault, J., Harel, O., Das, S., Anton, R. and Kranzler, H.R. (2007) “Variation in Genes Encoding GABA-A Subunits Predicts Drinking Behavior in Project MATCH” Alcoholism: Clinical and Experimental Research, 31(11), 1780-1787.
Judge, M.P., Harel, O., Lammi-Keefe, C.J. (2007) “Maternal consumpsion of DHA-functional food during pregnancy: benefit for infant performance on problem-solving but not recognition memory tasks at 9 months of age.” American Journal of Clinical Nutrition, 85(6), 1572-1577.
Judge, M.P., Harel, O., Lammi-Keefe, C.J. (2007) “A docosahexaenoic acid-functional food during pregnancy benefits infant visual acuity at 4 but not 6 months of age.” Lipids, 42(2), 117-122. DOI 10.1007/s11745-006-3007-3
Harel, O. and Zhou, X.H. (2007) “Multiple imputation review of theory implementation and software.” Statistics in Medicine, 26 (16), 3057-3077. DOI: 10.1002/sim.2787
Harel, O. and Zhou, X.H. (2007) “Multiple imputation for comparing accuracies of two competing screening tests in two-phase studies” Statistics in Medicine, 26 (11), 2370-2388. DOI: 10.1002/sim.2715
Harel, O., Hofer, S.M., Hoffman, L., Pedersen, N.L. and Johansson, B. (2007) “Population inference with mortality and attrition in longitudinal studies of Aging: examination of a two-stage multiple imputation method” Experimental Aging Research. 33 (2), 187-203. DOI:10.1080/03610730701239004
Harel, O. and Miglioretti, D. (2007) “Latent class analysis and the rate of missing information.” Journal of Data Science, 5, 269-288.
Harel, O. (2007), “Inferences on missing information under multiple imputation and two-stage multiple imputation.” Statistical Methodology, 4, 75-89. DOI: 10.1016/j.stamet.2006.03.002.
Harel, O. and Zhou, X.H. (2007) “Rejoinder to Multiple imputation for correcting verification bias.” Statistics in Medicine. 26 (15) , 3047-3050. DOI: 10.1002/sim.2843
Harel, O. and Zhou, X.H. (2006), “Multiple imputation for correcting verification bias.” Statistics in Medicine, 25 (22), 3769-3786. DOI: 10.1002/sim.2494.
Heinrichs, A. J., Heinrichs, B. S., Harel, O., Rogers, G. W., and Place, N. T. (2005), “A prospective study of calf factors affecting age, body size, and body condition score at first calving of Holstein dairy heifers” Journal of Dairy Science, 88, 2828-2835.
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