Results 11 to 20 of about 41,119 (165)

A Simulation and Empirical Study of Differential Test Functioning (DTF)

Psych, 2023
Detecting and understanding DTF is very important under various DIF conditions. In this study, the performance of DTF, DRF, SIBTEST, and CSIBTEST approaches in detecting DIF effects was investigated using a simulation study and a real dataset.
Güler Yavuz Temel
doaj   +1 more source

Differential Item Functioning and Item Bias: Critical Considerations in Test Fairness

Studies in Applied Linguistics & TESOL, 2006
In recent years, policy makers, administrators, and test developers in the field of second language assessment have paid considerable attention to the issue of test fairness.
Michael Perrone
doaj   +1 more source

Comparing Robust Linking and Regularized Estimation for Linking Two Groups in the 1PL and 2PL Models in the Presence of Sparse Uniform Differential Item Functioning

Stats, 2023
In the social sciences, the performance of two groups is frequently compared based on a cognitive test involving binary items. Item response models are often utilized for comparing the two groups.
Alexander Robitzsch
doaj   +1 more source

Statistical and extra-statistical considerations in differential item functioning analyses

SA Journal of Industrial Psychology, 2004
This article briefly describes the main procedures for performing differential item functioning (DIF) analyses and points out some of the statistical and extra-statistical implications of these methods.
G. K. Huysamen
doaj   +1 more source

Investigating the sources of differential item functioning: A sample critical thinking motivation scale

International Journal of Assessment Tools in Education, 2023
Investigating the existence of items with differential item functioning (DIF) may provide more accurate comparisons of group differences in studies that aim to compare scores obtained in a test by groups with different characteristics.
Hüseyin Yıldız, Fatma Betül Kurnaz
doaj   +1 more source

An Analysis of Differential Bundle Functioning in Multidimensional Tests Using the SIBTEST Procedure

International Journal of Assessment Tools in Education, 2022
This study aims to analyze the differential bundle functioning in multi-dimensional tests with a specific purpose to detect this effect through differentiating the location of the item with DIF in the test, the correlation between the dimensions, the ...
Hülya Kelecioğlu, Didem Özdoğan
doaj   +1 more source

Differential item functioning in the figure classification test

SA Journal of Industrial Psychology, 1998
The elimination of unfair discrimination and cultural bias of any kind, is a contentious workplace issue in contemporary South Africa. To ensure fairness in testing, psychometric instruments are subjected to empirical investigations for the detection of ...
E. van Zyl, D. Visser
doaj   +1 more source

O funcionamento diferencial dos itens Differential item functioning

Psico-USF, 2006
A dificuldade de um item deveria ser uma propriedade independentemente de uma população em particular, da mesma forma que a habilidade de uma pessoa deveria ser uma característica sem referência a qualquer conjunto particular de itens.
Fermino Fernandes Sisto
doaj   +1 more source

An Investigation of Item Position Effects by Means of IRT-Based Differential Item Functioning Methods

International Journal of Assessment Tools in Education, 2021
In this study, whether item position effects lead to DIF in the condition where different test booklets are used was investigated. To do this the methods of Lord’s chi-square and Raju’s unsigned area with the 3PL model under with and without item ...
Esin Yılmaz Koğar, Sümeyra Soysal
doaj   +1 more source

Multilevel Generalized Mantel-Haenszel for Differential Item Functioning Detection

Frontiers in Education, 2019
Research has demonstrated that when data are collected in a multilevel framework, standard single level differential item functioning (DIF) analyses can yield incorrect results, particularly inflated Type I error rates.
Brian F. French, W. Holmes Finch, Jason C. Immekus   +2 more
doaj   +1 more source