James M. Lepkowski guest researcher at the MZES

The MZES welcomes Professor James M. Lepkowski, University of Michigan. He will be MZES visiting scholar until October.

James (Jim) M. Lepkowski received his PhD in 1980 in Biostatistics from the University of Michigan. He is a Research Professor in Survey Methodology at the Institute for Social Research and a Professor of Biostatistics in the School of Public Health, both at the University of Michigan.  He is also a Research Professor in the Joint Program in Survey Methodology at the University of Maryland.  He currently is associate director of the University of Michigan’s Graduate Program in Survey Methodology.  Dr. Lepkowski has been a mathematical statistician responsible for sample design for many funded research projects, international, national, and local.  His expertise includes the design and analysis of survey samples and handling missing data from surveys. Dr. Lepkowski also conducts research on survey methodology problems such as the design of telephone samples for households in the U.S., the behavior of analytic statistics when the data are obtained from complex sample surveys, imputation methods to compensate for item missing data in surveys, weighting to compensate for unit nonresponse, and the interaction between interviewer and respondent in the survey interview.