An Index of the Discriminating Power of a Test at Different Parts of the Score Range
- Author(s):
- Levine, Richard S.; Lord, Frederic M.
- Publication Year:
- 1959
- Source:
- Educational and Psychological Measurement, v19 n4 p497-503, Win 1959
- Document Type:
- Article
- Page Count:
- 7
- Subject/Key Words:
- Test Validity, Test Theory, Test Reliability, Discrimination Index, Statistical Distributions, Scores