From: Validation of educational assessments: a primer for simulation and beyond
Type of validitya | Definition | Examples of evidence |
---|---|---|
Content | Test items and format constitute a relevant and representative sample of the domain of tasks | Procedures for item development and sampling |
Criterion (includes correlational, concurrent, and predictive validity) | Correlation between actual test scores and the “true” (criterion) score | Correlation with a definitive standard |
Construct | Scores vary as expected based on an underlying psychological construct (used when no definitive criterion exists) | Correlation with another measure of the same construct Factor analysis Expert-novice comparisons Change or stability over time |