Assistant Professor of Statistics

Ph.D. in Educational Psychology, University of Minnesota, 2006

Website

Research Interests

• Statistical methods in education and psychology
• Fairness and bias in educational testing
• Item response analysis
• Visualization and statistical computing

Selected Publications

• Mathieu, J., Aguinis, H., Culpepper, S. A., & Chen, G. (2012). Improving the accuracy of inferences about cross-level interaction tests in random coefficient modeling. Journal of Applied Psychology, 97, 951-966. (Authors contributed equally and order was determined randomly)
• Culpepper, S. A. (2012). Evaluating EIV, OLS, and SEM estimators of group slope differences in the presence of measurement error: The single indicator case. Applied Psychological Measurement, 36, 349-374.
• Culpepper, S. A. (2012). Using the criterion-predictor factor model to compute the probability of detecting prediction bias with ordinary least squares regression. Psychometrika, 77, 561-580.
• Culpepper, S. A. & Aguinis, H. (2011). Using analysis of covariance (ANCOVA) with fallible covariates. Psychological Methods, 16, 166-178.
• Culpepper, S. A. & Aguinis, H. (2011). R is for revolution: A review of a cutting-edge, free, open source statistical package. Organizational Research Methods, 14, 735-740.
• Aguinis, H., Culpepper, S. A., & Pierce, C. A. (2010). Revival of test bias research in preemployment testing. Journal of Applied Psychology, 95, 648-680.
• Culpepper, S. A. (2010). Studying individual differences in predictability with gamma regression and nonlinear multilevel models. Multivariate Behavioral Research, 45, 153-185.
• Culpepper, S. A. (2009). A multilevel approach for nonlinear profile analysis of dichotomous data. Multivariate Behavioral Research, 44, 646-667.
• Culpepper, S. A. & Davenport, E. C. (2009). Assessing differential prediction of college grades by race/ethnicity with a multilevel model. Journal of Educational Measurement, 46, 220-242.