ERIC Number: EJ720499
Record Type: Journal
Publication Date: 2005-Mar
Reference Count: 10
A Note on Item Information in Any Direction for the Multidimensional Three-Parameter Logistic Model
Bryant, Damon U.
Psychometrika, v70 n1 p213-216 Mar 2005
The purpose of this note is twofold: (a) to present the formula for the item information function (IIF) in any direction for the Multidimensional 3-Parameter Logistic (M3-PL) model and (b) to give the equation for the location of maximum item information (theta[sub max]) in the direction of the item discrimination vector. Several corollaries are given. Implications for future research are discussed.
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Authoring Institution: N/A