Inventory of Depression and Anxiety Symptoms-II.
IDAS-II
- What it measures
- Transdiagnostic, empirically-derived symptom dimensions of depression and anxiety (e.g. dysphoria, lassitude, panic, social anxiety, well-being, suicidality, plus general depression and dysphoria factors).
- Length and format
- 99 (IDAS-II); 64 (original IDAS). 5-point frequency rating (self-report questionnaire)
- Language versions
- Adapted into several languages incl. ES, ZH; ~few langs, approx
- Normative data
- Normative data for this instrument is held in our reference library. The per-population breakdown is not published here.
- Licence
- open with attribution
Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.
- Reference
- Watson, D., O'Hara, M. W., Naragon-Gainey, K., et al. (2012). Development and validation of new anxiety and bipolar symptom scales for an expanded version of the IDAS (the IDAS-II). Assessment, 19(4), 399-420. https://doi.org/10.1177/1073191112449857
Choosing between this and the alternatives
We do not deliver this instrument. If you are selecting a measure for a research programme, a national survey or an assessment product, and the question is which instrument, in which language, against which norms and under which licence, that is the work we do.
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