Shawn BauldryShawn Bauldry is a professor in the Department of Sociology at Purdue University. He is co-author, with J. Micah Roos, of Confirmatory Factor Analysis and has published methodological research in soiological and psychological methodology journals, including top-tier journals such as Sociological Methodology, Psychological Methods, and Structural Equation Modeling. His methodological research focuses on the development of structural equation models, particularly measurement models and models for longitudinal data. His substantive research focuses on demographic analyses of aging and health. Read More Read Less