[Application of four procedures for detecting differential item functioning in polytomous items]

(Aplicación de cuatro procedimientos de detección del funcionamiento diferencial sobre ítems politómicos.)

Full Abstract

The authors describe and use four methods for detecting Differential Item Functioning in polytomous items:
Mantel, Generalized Mantel-Haenszel (GMH), Ordinal Logistic Regression (RLO), and Discriminant Logistic Regression (RLD). For each procedure, the theoretical model and the measure of effect size are described. The data from the "Reading Comprehension Test" from the PISA2000 evaluation program were analyzed using a cross-validation design. Two booklets were independently evaluated in the American and Spanish samples. Adopting as decision rule the significance of the statistical test and the measurement of the effect size, agreement among the evaluated procedures was total for two of the analyzed items.

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Author information

Author/s: Elosua, Paula (P); López-Jáuregui, Alicia (A);

Affiliation: Universidad del País Vasco. Paula.elosua(-atsign-)ehu.es

Journal and publication information

Publication Type: English Abstract; Journal Article; Research Support, Non-U.S. Gov't

Journal: Psicothema (Psicothema), published in Spain. (Language: spa)

Reference: 2007-May; vol 19 (issue 2) : pp 329-36

Dates: Created 2007/04/11; Completed 2007/06/21;

PMID: 17425906, status: MEDLINE (last retrieval date: 12/26/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Data Interpretation, Statistical
Humans

Models, Psychological
Psychology - methods; statistics & numerical data

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