Estimation of Latent Ability and Item Parameters When There Are Omitted Responses
- Author(s):
- Lord, Frederic M.
- Publication Year:
- 1974
- Source:
- Psychometrika, v39 n2 p247-264, 1974
- Document Type:
- Article
- Page Count:
- 18
- Subject/Key Words:
- National Science Foundation (NSF), Item Analysis, Mathematical Models, Probability, Scoring Formulas