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ERIC Number: EJ598367
Record Type: Journal
Publication Date: 1999
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISSN: ISSN-0146-6216
Optimal Item Discrimination and Maximum Information for Logistic IRT Models.
Veerkamp, Wim J. J.; Berger, Martijn P. F.
Applied Psychological Measurement, v23 n1 p31-40 Mar 1999
Derives discrimination parameter values, as functions of the guessing parameter and distances between person parameters and item difficulty, that yield maximum information for the three-parameter logistic item response theory model. Also derives an upper bound for information as a function of these parameters. (SLD)
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A