Expertise: Nonnormal Data
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- Position: Professor
- Expertise and Interest Areas: Correlation Analysis, Factor Analysis, General multilevel (mixed, hierarchical linear) models, Generalized multilevel (mixed, hierarchical linear) models, Item Response Theory Modeling, Measurement, Measurement Invariance, Mediation Analysis, Missing Data, Mixture Modeling, Multivariate Analysis, Nonnormal Data, Power Analysis, Reliability, Statistical Inference, Structural Equation Modeling, Test Theory