Ph.D. Alum Biography B.A. Geography, University of Washington, 2005 M.A. Geography, University of Washington, 2009 Research Selected Research Babb, M. A., & Ellis, M. (John M. (2021). Dimensions of interstate and intrastate household migration, 1990-2015. [University of Washington Libraries].Adviser: Mark Ellis Babb, M. A. (2009). Categorical (re)assignment : interpreting imputation, missing data, and race in the 2000 US census. University of Washington. Affiliations Home Department Geography
