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Comparison of machine learning methods with an underlying logistic regression model to detect differential item functioning in patient-reported outcome measures

Dorostimotlagh, Razieh2025

… unbiased comparisons across groups. Differential item functioning (DIF), a form of measurement non-invariance, occurs when individuals with the same level of health status respond to an item differently. Many studies about DIF in PROMs focus on demographic characteristics (e.g., age), but other …

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