Title

A Note On Item Information In Any Direction For The Multidimensional Three-Parameter Logistic Model

Keywords

Item information; Maximum information; Measurement direction; Multidimensional measurement; Three-parameter logistic model

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 (θ max) in the direction of the item discrimination vector. Several corollaries are given. Implications for future research are discussed. © 2005 The Psychometric Society.

Publication Date

3-1-2005

Publication Title

Psychometrika

Volume

70

Issue

1

Number of Pages

213-216

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1007/s11336-003-1129-6

Socpus ID

23244467107 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/23244467107

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