7 items
A 7-item scale measuring the severity of generalized anxiety disorder. Validated for both screening and severity assessment.
Scoring
Sum all items (0–21). 0–4: minimal; 5–9: mild; 10–14: moderate; 15–21: severe.
Citation
Spitzer, R. L., Kroenke, K., Williams, J. B. W., & Löwe, B. (2006). A brief measure for assessing generalized anxiety disorder. Archives of Internal Medicine, 166(10), 1092–1097.
doi:10.1001/archinte.166.10.1092License: Free for unrestricted use (Pfizer).
Feeling nervous, anxious, or on edge
0–3 · "Not at all" → "Nearly every day"
Not being able to stop or control worrying
0–3 · "Not at all" → "Nearly every day"
Worrying too much about different things
0–3 · "Not at all" → "Nearly every day"
Trouble relaxing
0–3 · "Not at all" → "Nearly every day"
Being so restless that it is hard to sit still
0–3 · "Not at all" → "Nearly every day"
Becoming easily annoyed or irritable
0–3 · "Not at all" → "Nearly every day"
Feeling afraid as if something awful might happen
0–3 · "Not at all" → "Nearly every day"
Use this scale in your own ESM/EMA study — embed it as a survey within SMAAT.