Works
- Construct Validity in Psychological Tests (with Lee J. Cronbach), Psychological Bulletin, 1955
In Thinking Tools
Known for
With Lee Cronbach he defined construct validity, the idea that a test of an unobservable trait is validated through a network of predicted relations with other measures. He is also known for Clinical versus Statistical Prediction (1954), which found that simple formulas usually predict as well as or better than expert judgment.