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A Psychometric Evaluation of the General Health Questionnaire (GHQ-12) in the ELSA Cohort Using Item Response Theory

2025-04-11

Abstract excerpt

<p>Background. The 12-item General Health Questionnaire (GHQ-12) is a reliable and valid screening tool for psychological distress and is widely used in epidemiological research. This study aimed to optimise the length of the GHQ-12 without losing information by discarding items that were misfitting the scale following an item-response theory (IRT) model. Methods. The English Longitudinal Study of Aging (ELSA) is...

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Literature Corpus work
ee405933-0e36-5e15-bea5-df0380e1a5eb
DOI
10.31234/osf.io/z7g8e_v1
Open publication

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A Psychometric Evaluation of the General Health Questionnaire (GHQ-12) in the ELSA Cohort Using Item Response TheoryDOI 10.31234/osf.io/z7g8e_v1
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