Unbiased Estimators of Ability Parameters, of Their Variance, and of Their Parallel-Forms Reliability
- Author(s):
- Lord, Frederic M.
- Publication Year:
- 1983
- Source:
- Psychometrika v48 n2 p233-245, Jun 1983
- Document Type:
- Article
- Page Count:
- 13
- Subject/Key Words:
- Error of Measurement, Estimation (Mathematics), Item Analysis, Latent Trait Theory