Detecting Differential Item and Step Functioning with Rating Scale and Partial Credit Trees [PDF]
Several statistical procedures have been suggested for detecting differential item functioning (DIF) and differential step functioning (DSF) in polytomous items.
Abou El-Komboz, Basil +2 more
core +1 more source
Differential Item Functioning and Item Bias: Critical Considerations in Test Fairness
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
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
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
A Penalty Approach to Differential Item Functioning in Rasch Models [PDF]
A new diagnostic tool for the identification of differential item functioning (DIF) is proposed. Classical approaches to DIF allow to consider only few subpopulations like ethnic groups when investigating if the solution of items depends on the ...
Schauberger, Gunther, Tutz, Gerhard
core +1 more source
Differential item functioning in the figure classification test
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
Differential item functioning in the Patient Reported Outcomes Measurement Information System Pediatric Short Forms in a sample of children and adolescents with cerebral palsy. [PDF]
AIM: The present study examined the Patient Reported Outcomes Measurement Information System (PROMIS) Mobility, Fatigue, and Pain Interference Short Forms (SFs) in children and adolescents with cerebral palsy (CP) for the presence of differential item ...
Bjorner +17 more
core +2 more sources
O funcionamento diferencial dos itens Differential item functioning
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
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
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 +2 more
doaj +1 more source

