International Psychogeriatrics · 2014 · 100 citations · 29 references
Both GAI and GAI-SF show good psychometric properties for identifying geriatric anxiety. The GAI-SF may be a useful alternative screening measure for identifying anxiety in older adults.
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Development and validation of the penn state worry questionnaire
Thomas Meyer, Mark L. Miller, R. Metzger et al. · Behaviour Research and Therapy · 1990 · 5.1K citations