Contact Information
725 S. Wright St.
M/C 374
Champaign, IL 61820
Research Areas
Research Interests
Psychometric models
Latent class models
Large-scale testing and assessment
Statistical computing
Education
PhD, Educational Psychology, University of Minnesota, 2006
BS, Economics, Bowling Green State University, 2001
Additional Campus Affiliations
Associate Professor, Psychology
Associate Professor, Educational Psychology
Associate Professor, Beckman Institute for Advanced Science and Technology
External Links
Recent Publications
Chen, Y., & Culpepper, S. A. (Accepted/In press). A Multivariate Probit Model for Learning Trajectories: A Fine-Grained Evaluation of an Educational Intervention. Applied Psychological Measurement. https://doi.org/10.1177/0146621620920928
Chen, Y., Culpepper, S., & Liang, F. (2020). A Sparse Latent Class Model for Cognitive Diagnosis. Psychometrika, 85(1), 121-153. https://doi.org/10.1007/s11336-019-09693-2
Culpepper, S. A. (2020). Editorial Statement. Journal of Educational and Behavioral Statistics, 45(1), 3-4. https://doi.org/10.3102/1076998620902138
Kern, J. L., & Culpepper, S. A. (2020). A Restricted Four-Parameter IRT Model: The Dyad Four-Parameter Normal Ogive (Dyad-4PNO) Model. Psychometrika, 85(3), 575-599. https://doi.org/10.1007/s11336-020-09716-3
Man, A. X., & Culpepper, S. A. (Accepted/In press). A Mode-Jumping Algorithm for Bayesian Factor Analysis. Journal of the American Statistical Association. https://doi.org/10.1080/01621459.2020.1773833