Brian French’s research focuses on educational and psychological measurement issues. The first area concerns the application of psychometric methods to gather score validity evidence for a variety of instruments. The second area, informed by the first, is the use of methodological studies to evaluate and improve methods in terms of efficiency and accuracy used to gather test score validity evidence. A sample of topics of interest include: Measurement Invariance, Structural Equation Modeling, Item Response Theory, Classical Test Theory, Factor Analysis, Monte Carlo studies