Classic anxiety scale by Zung (1971). 20 items.

How much is anxiety affecting you?

Anxiety shows up differently for different people. For some it's a racing heart and sweaty palms. For others it's a constant hum of worry that won't shut off. And for many, it's both.

The SAS measures anxiety symptoms across both psychological and physical domains. Zung created it in 1971, and it's been in steady use ever since. It asks about 20 common anxiety symptoms — things like feeling nervous, having a pounding heart, getting dizzy spells, or having nightmares.

Each item is rated on a 1-4 scale based on how often you've experienced it over the past week. The total score converts to an anxiety index that can give you a sense of where you fall relative to clinical thresholds.

It's widely used as a screening tool, not a diagnostic instrument. Think of it as an early signal, not a final answer.

Scoring Guide

20-item self-report measure of anxiety severity. Each item rated 1-4 (a little of the time to most of the time). Items 5, 9, 13, 17, and 19 are reverse-scored. Total score range 20-80. Scores above 45 suggest clinically significant anxiety levels.

Result Interpretation

Finish the 20 questions and you get your results straight away — no account, no sign-up, no waiting.

We calculate your total from your answers, then give you a plain-language explanation of what the numbers mean. Whenever possible, we also show how your results compare to population norms.

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References

Zung WW. A rating instrument for anxiety disorders. Psychosomatics. 1971;12(6):371-379. DOI