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The factor structure of the twelve item General Health Questionnaire (GHQ-12): the result of negative phrasing?
BACKGROUND: The 12-item General Health Questionnaire (GHQ-12) is used routinely as a unidimensional measure of psychological morbidity. Many factor-analytic studies have reported that the GHQ-12 has two or three dimensions, threatening its validity. It is possible that these 'dimensions' a...
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| Formato: | Texto |
| Lenguaje: | English |
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BioMed Central
2008
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2373289/ https://www.ncbi.nlm.nih.gov/pubmed/18435842 http://dx.doi.org/10.1186/1745-0179-4-10 |