Brian T Keller

A fully conditional specification approach to multilevel imputation of categorical and continuous variables.

Craig K. Enders, Brian T Keller, Roy Levy · Psychological Methods · 2017 · 210 citations

Imputation Schemes, Data Preparation, Causal Inference +17

A model-based imputation procedure for multilevel regression models with random coefficients, interaction effects, and nonlinear terms.

Craig K. Enders, Han Du, Brian T Keller · Psychological Methods · 2019 · 149 citations

Engineering, Multilevel Regression Models, Regression Analysis +19

Value-Expressive Volunteer Motivation and Volunteering by Older Adults: Relationships With Religiosity and Spirituality

Morris A. Okun, Holly P. O’Rourke, Brian T Keller et al. · The Journals of Gerontology Series B · 2014 · 91 citations

Distinguishing state variability from trait change in longitudinal data: The role of measurement (non)invariance in latent state-trait analyses

Christian Geiser, Brian T Keller, Ginger Lockhart et al. · Behavior Research Methods · 2014 · 83 citations · Full text

Latent State-trait Analyses, Individual Differences, Longitudinal Data Analysis +8

First- Versus Second-Order Latent Growth Curve Models: Some Insights From Latent State-Trait Theory

Christian Geiser, Brian T Keller, Ginger Lockhart · Structural Equation Modeling A Multidisciplinary Journal · 2013 · 73 citations · Full text