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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

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