## Statistics Faculty

**Associate Professor**

__Website__

#### Educational Background

#### Research Interests

#### Selected Publications

Culpepper, S. A. (In Press). Revisiting the 4-parameter item response model: Bayesian estimation and application,
*Psychometrika*. DOI: 10.1007/s11336-015-9477-6.

Culpepper, S. A. (2016). An improved correction for range restricted correlations under extreme, monotonic quadratic
nonlinearity and heteroscedasticity, *Psychometrika*, 81, 550-564. DOI: 10.1007/s11336-015-9466-9

Ye, S., Fellouris, G., Culpepper, S. A., & Douglas, J. (2016). Sequential detection of learning in cognitive diagnosis.
*British Journal of Mathematical and Statistical Psychology*, 69, 139-58.

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.