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IUS-12 — Intolerance of Uncertainty Scale

The IUS-12 measures intolerance of uncertainty — how much situations of "not knowing what will happen" trigger anxiety, worry, and paralysis. This is a central factor in chronic anxiety and worry.

📌 Instructions

Rate each statement according to how characteristic it is of you in general, from "Not at all characteristic" (1) to "Very characteristic" (5).

📚 Research Basis

  • Carleton, R.N., Norton, M.A., & Asmundson, G.J. (2007). Fearing the unknown: A short version of the Intolerance of Uncertainty Scale. Journal of Anxiety Disorders, 21(1), 105–117.
  • Dugas, M.J., et al. (2001). Intolerance of uncertainty and worry: Investigating specificity in a nonclinical sample. Cognitive Therapy and Research, 25(5), 551–558.

12 questions · ~3 minutes · Anxiety & Uncertainty

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