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Detecting Differential Item Functioning Using Cognitive Diagnosis Models: Applications of the Wald Test and Likelihood Ratio Test in a University Entrance Examination
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Mehrazmay, Roghayeh; Ghonsooly, Behzad; de la Torre, Jimmy – Applied Measurement in Education, 2021
The present study aims to examine gender differential item functioning (DIF) in the reading comprehension section of a high stakes test using cognitive diagnosis models. Based on the multiple-group generalized deterministic, noisy "and" gate (MG G-DINA) model, the Wald test and likelihood ratio test are used to detect DIF. The flagged…
Descriptors: Test Bias, College Entrance Examinations, Gender Differences, Reading Tests
Detection of Differential Item Functioning for More than Two Groups: A Monte Carlo Comparison of Methods
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Finch, W. Holmes – Applied Measurement in Education, 2016
Differential item functioning (DIF) assessment is a crucial component in test construction, serving as the primary way in which instrument developers ensure that measures perform in the same way for multiple groups within the population. When such is not the case, scores may not accurately reflect the trait of interest for all individuals in the…
Descriptors: Test Bias, Monte Carlo Methods, Comparative Analysis, Population Groups
Using Mixed Methods to Interpret Differential Item Functioning
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Benítez, Isabel; Padilla, José-Luis; Hidalgo Montesinos, María Dolores; Sireci, Stephen G. – Applied Measurement in Education, 2016
Analysis of differential item functioning (DIF) is often used to determine if cross-lingual assessments are equivalent across languages. However, evidence on the causes of cross-lingual DIF is still evasive. Expert appraisal is a qualitative method useful for obtaining detailed information about problematic elements in the different linguistic…
Descriptors: Test Bias, Mixed Methods Research, Questionnaires, International Assessment
An Examination of Two Procedures for Identifying Consequential Item Parameter Drift
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Wells, Craig S.; Hambleton, Ronald K.; Kirkpatrick, Robert; Meng, Yu – Applied Measurement in Education, 2014
The purpose of the present study was to develop and evaluate two procedures flagging consequential item parameter drift (IPD) in an operational testing program. The first procedure was based on flagging items that exhibit a meaningful magnitude of IPD using a critical value that was defined to represent barely tolerable IPD. The second procedure…
Descriptors: Test Items, Test Bias, Equated Scores, Item Response Theory
An Exploratory Analysis of Differential Item Functioning and Its Possible Sources in a Higher Education Admissions Context
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Oliveri, Maria Elena; Lawless, Rene; Robin, Frederic; Bridgeman, Brent – Applied Measurement in Education, 2018
We analyzed a pool of items from an admissions test for differential item functioning (DIF) for groups based on age, socioeconomic status, citizenship, or English language status using Mantel-Haenszel and item response theory. DIF items were systematically examined to identify its possible sources by item type, content, and wording. DIF was…
Descriptors: Test Bias, Comparative Analysis, Item Banks, Item Response Theory
An Empirical Assessment of the Mantel-Haenszel Statistic for Studying Differential Item Performance.
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Raju, Nambury S.; And Others – Applied Measurement in Education, 1989
The effects of number of score groups and inclusion/exclusion of the studied item were examined in an empirical evaluation of the Mantel-Haenszel technique (MHT), using 3,795 elementary school students who took the SRA vocabulary test. Inclusion of four or more score groups yielded stable alpha estimates with the MHT. (SLD)
Descriptors: Black Students, Elementary Education, Elementary School Students, Hispanic Americans