Contact Information
725 S. Wright St.
M/C 374
Champaign, IL 61820
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
Professor, Statistics
Professor, Beckman Institute for Advanced Science and Technology
Professor, Psychology
Professor, Educational Psychology
External Links
Recent Publications
He, S., Culpepper, S. A., & Douglas, J. A. (2025). A sparse latent class model incorporating response times. British Journal of Mathematical and Statistical Psychology, 78(3), 757-784. https://doi.org/10.1111/bmsp.12380
Liu, Y., & Culpepper, S. (2025). Designing Learning Intervention Studies: Identifiability of Heterogeneous Hidden Markov Models. Psychometrika, 90(4), 1258-1283. https://doi.org/10.1017/psy.2025.10024
Wayman, E. A., Culpepper, S. A., Douglas, J., & Bowers, J. (2025). A restricted latent class model with polytomous attributes and respondent-level covariates. Behaviormetrika. Advance online publication. https://doi.org/10.1007/s41237-025-00271-8
Aguinis, H., & Culpepper, S. A. (2024). Improving Our Understanding of Predictive Bias in Testing. Journal of Applied Psychology, 109(3), 402-414. https://doi.org/10.1037/apl0001152
Courey, K. A., Oswald, F. L., & Culpepper, S. A. (2024). Clearer Analysis, Interpretation, and Communication in Organizational Research: A Bayesian Guide. Practical Assessment, Research and Evaluation, 29(1), 1-26. https://doi.org/10.7275/pare.1975