ERIC Number: EJ298919
Record Type: CIJE
Publication Date: 1983
Reference Count: 0
Statistical Bias in Maximum Likelihood Estimators of Item Parameters.
Lord, Frederic M.
Psychometrika, v48 n3 p425-35 Sep 1983
Asymptotic formulas are derived for the bias in the maximum likelihood estimators of the item parameters in the logistic item response model when examinee abilities are known. Numerical results are given for a typical verbal test for college admission. (Author)
Publication Type: Reports - Research; Journal Articles
Education Level: N/A
Authoring Institution: N/A
Note: This work was supported in part by contract N00014-80-C-0402, project designation NR 150-453 between the Office of Naval Research and Educational Testing Service.