Charles E. Werts

• A congeneric model for platonic true scores
• A regression model for studying growth
• Analyzing school effects
• Considerations when making inferences within the analysis of covariance model
• Donald Campbell's advice applied to Lord's paradox
• Errors of inference due to errors of measurement
• Identification and estimation in path analysis with unmeasured variables
• Path analysis
• Relationships among law school predictors, law school performance, and bar examination results
• The path analysis of categorical data