نتایج جستجو برای: 1 irt models 2 differential item functioning 3 high
تعداد نتایج: 6641935 فیلتر نتایج به سال:
Patterns and correlates of comorbidity, as well as differences in manifest depressive profiles were investigated in a sample of depressed adolescents. A sub-sample of the youth were characterized as belonging to either a Pure depression group, an Internalizing group (depression and co-occurring internalizing disorders), or an Externalizing group (depression and co-occurring externalizing disord...
PreVisor The current study proposes and illustrates a method for examining item complexity during test construction using item response theory. We examined whether differential item functioning existed within 4 personality scales across cognitive ability groups. Results indicated that personality items do differentially function across highly disparate cognitive ability groups. Organizations ar...
<p style="text-align: justify;">This study aimed to find the Classical Test Theory (CTT) and Modern (MTT) item parameters of Differential Aptitude (DAT) examined their comparability them. The being studied are difficulty level discrimination index. 5.024 data result sub-test DAT were documented by Department Psychology Guidance Counselling bureau. parameter classical modern test items was...
Item response theory (IRT) models are a class of statistical models used by researchers to describe the response behaviors of individuals to a set of categorically scored items. The most common IRT models can be classified as generalized linear fixedand/or mixed-effect models. Although IRT models appear most often in the psychological testing literature, researchers in other fields have success...
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 membership to a subpopulation. We propose an explicit model for differential item functioning that includes a set of variables, containing metric as wel...
OBJECTIVE To describe the development and psychometric properties of the Spinal Cord Injury--Quality of Life (SCI-QOL) Bladder Management Difficulties and Bowel Management Difficulties item banks and Bladder Complications scale. DESIGN Using a mixed-methods design, a pool of items assessing bladder and bowel-related concerns were developed using focus groups with individuals with spinal cord ...
Linear factor analysis (FA) models can be reliably tested using test statistics based on residual covariances. We show that the same statistics can be used to reliably test the fit of item response theory (IRT) models for ordinal data (under some conditions). Hence, the fit of an FA model and of an IRT model to the same data set can now be compared. When applied to a binary data set, our experi...
The growing emphasis on patient-centered care has accelerated the demand for high-quality data from patient-reported outcome (PRO) measures. Traditionally, the development and validation of these measures has been guided by classical test theory. However, item response theory (IRT), an alternate measurement framework, offers promise for addressing practical measurement problems found in health-...
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