Psychiatry Investigation · 2019 · 95 citations · 30 references
The psychometric properties of the PHQ-9 proved to be adequate, with a robust and interpretable factor structure and good internal consistency. The PHQ-9's validity, reliability, brevity and ease of administration make it a useful screening instrument for depression among university students in Korea.
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Kurt Kroenke, Robert L. Spitzer, Janet B. W. Williams · Journal of General Internal Medicine · 2001 · 42K citations · Full text
A Brief Measure for Assessing Generalized Anxiety Disorder
Robert L. Spitzer, Kurt Kroenke, Janet B. W. Williams et al. · Archives of Internal Medicine · 2006 · 29.5K citations
Alternative Ways of Assessing Model Fit
Michael W. Browne, Robert Cudeck · Sociological Methods & Research · 1992 · 24.8K citations
Engineering, Exact Fit, Measurement +16