Valid group comparisons can be made with the Patient Health Questionnaire (PHQ-9): A measurement invariance study across groups by demographic characteristics: A measurement invariance study across groups by demographic characteristics

David Villarreal-Zegarra, Anthony Copez-Lonzoy, Antonio Bernabé-Ortiz, G. J. Melendez-Torres, Juan Carlos Bazo-Alvarez

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11 Scopus citations

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