Graduated Summer 2015 with Ph.D. Fields of Interest Criminology Social Networks Biography M.A., Sociology, University of Washington, 2010 Ph.D., Sociology, University of Washington, 2015 Research Selected Research Callahan, Richard D. 2015. "Growing Up in Taiwan: Counterfactual Models of Part-Time Work, Romantic Relationships, and Crime among Taiwanese Youth." PhD Dissertation, Department of Sociology, University of Washington.Adviser: Ross L. Matsueda, Adviser: William Lavely, Adviser: Gary Hamilton Affiliations Home Department Sociology