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Kalkbrenner, Michael T.; Ryan, Aimee F.; Hunt, Adam J.; Rahman, Samiah R. – Measurement and Evaluation in Counseling and Development, 2023
We conducted a psychometric synthesis of the internal consistency reliability and internal structure of scores on the English versions of the Patient Health Questionnaire-9 (PHQ-9) and Generalized Anxiety Disorder-7 (GAD-7) in publications between 2012 and 2022. Results supported acceptable-to-strong reliability and validity evidence of scores…
Descriptors: Psychometrics, Test Validity, Test Reliability, Questionnaires