TITLE

A NOTE ON ITEM INFORMATION IN ANY DIRECTION FOR THE MULTIDIMENSIONAL THREE-PARAMETER LOGISTIC MODEL

AUTHOR(S)
Bryant, Damon U.
PUB. DATE
March 2005
SOURCE
Psychometrika;Mar2005, Vol. 70 Issue 1, p213
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
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 (θmax) in the direction of the item discrimination vector. Several corollaries are given. Implications for future research are discussed.
ACCESSION #
17502784

 

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