The PHQ-9 assesses depression similarly
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Thibodeau, Michel A.; Asmundson, Gordon J.G.
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Article
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2014
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Elsevier Science
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English
β 671 KB
Gender-based differential item functioning occurs when men and women respond differently to an item despite being similar on the trait assessed by that item. The Patient Health Questionnaire-9 (PHQ-9) is a prominent screening tool for depression. Researchers exploring whether the PHQ-9 exhibits gend