Gender Differential Item Functioning on the WISC - II : Analysis of the Canadian Standardization Sample
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Differential Item Functioning (DIF) in Terms of Gender in the Reading Comprehension Subtest of a High-Stakes Test
Validation is an important enterprise especially when a test is a high stakes one. Demographic variables like gender and field of study can affect test results and interpretations. Differential Item Functioning (DIF) is a way to make sure that a test does not favor one group of test takers over the others. This study investigated DIF in terms of gender in the reading comprehension subtest (35 i...
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This study aimed at investigating differential item functioning (DIF) on the Special English Test of the Iranian National University Entrance Exam (INUEE). The effect of gender and subject area was taken into account. The study utilized one-parameter IRT model with a sample of 36000 students who sat for the INUEE Special English Test in 2004 and/or 2005. The findings confirmed the presence of D...
متن کاملA confirmatory study of Differential Item Functioning on EFL reading comprehension
The present study aimed at investigating DIF sources on an EFL reading comprehension test. Accordingly, 2 DIF detection methods, logistic regression (LR) and item response theory (IRT), were used to flag emergent DIF of 203 (110 females & 93 males) Iranian EFL examinees’ performance on a reading comprehension test. Seven hypothetical DIF sources were examin...
متن کاملUsing Multiple-Variable Matching to Identify EFL Ecological Sources of Differential Item Functioning
Context is a vague notion with numerous building blocks making language test scores inferences quite convoluted. This study has made use of a model of item responding that has striven to theorize the contextual infrastructure of differential item functioning (DIF) research and help specify the sources of DIF. Two steps were taken in this research: first, to identify DIF by gender grouping via l...
متن کاملDifferential Relationships Between WISC-IV and WIAT-II Scales: An Evaluation of Potentially Moderating Child Demographics
Considerable debate exists regarding the accuracy of intelligence tests with members of different groups. This study investigated differential predictive validity of the Wechsler Intelligence Scale for Children–Fourth Edition. Participants from the WISC-IV–WIAT-II standardization linking sample (N = 550) ranged in age from 6 through 16 years (M = 11.6, SD = 3.2) and varied by the demographic va...
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تاریخ انتشار 2004