The Generalized Anxiety Disorder 7 (GAD-7) is a 7-item instrument used to briefly measure or assess one of the most common mental disorders. The cut off points for mild is a score of 5, for moderate is 10 and for severe anxiety is a score of 15. When using this screening tool, further evaluation is recommended when there is a score of 10 or higher.
The GAD-7 is moderately good at screening three other common anxiety disorders like panic disorders, social anxiety disorder, and post-traumatic stress disorder.
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Reliability and Validity
From November of 2004 through June of 2005 a criterion-standard study was performed in 15 primary care clinics in the U.S. 965 patients who had completed the GAD-7 were also evaluated by a mental health professional. The GAD self-report scale diagnosis and the independent diagnoses made by the mental health professionals were compared and it showed that the GAD-7 had good reliability, criterion, construct, factorial, and procedural validity. Making the GAD-7 a valid and efficient took for screening for generalized anxiety disorders and even assessing its severity in a clinical practice scene.
Administration, Analysis and Reporting
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Dissertations that have used the Kessler Psychological Distress Scale
Robbins, Gillian Bernadette. January 2013. The Relationship between Generalized Anxiety Disorder in Women and Hormonal Imbalances, Self-Efficacy and Lifestyle: Implications for Licensed Professional Counselors and Counselor Educators. (Wayne State University).
Mahoney, Corrine. 1 August 2013. Self-Monitoring to Enhance the Effectiveness of a Treatment for Anxiety. (Northeastern University).
Simning, Adam. 2011. Anxiety and Depression in Older Adult Public Housing Residents: Prevalence, Correlates, and Implications for Care. (University of Rochester).
Kroenke, Kurt, Lowe, B., Spitzer, Robert L., Williams, Janet B. 22 May 2006. A Brief Measure for Assessing Generalized Anxiety Disorder: The GAD-7.
Swinson, R.P. December 2006. The GAD-7 Scale Was Accurate for Diagnosing Generalized Anxiety Disorder. McMaster university.