Intolerance of Uncertainty (IUS)

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Intolerance of Uncertainty Scale – Short Form (IUS-12)

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Intolerance of Uncertainty (IUS-27)
1.    Uncertainty stops me from ha‎ving a firm opinion.
2.    Being uncertain means that a person is disorganized.
3.    Uncertainty makes life intolerable.
4.    It’s unfair not ha‎ving any guarantees in life.
5.    My mind can’t be relaxed if I don’t know what will happen tomorrow.
6.    Uncertainty makes me uneasy‚ anxious‚ or stressed.
7.    Unforeseen events upset me greatly.
8.    It frustrates me not ha‎ving all the information I need.
9.    Uncertainty keeps me from living a full life.
10.One should always look ahead so as to avoid surprises.
11.A small unforeseen event can spoil everything‚ even with the best of planning.
12.When it’s time to act‚ uncertainty paralyses me.
13.Being uncertain means that I am not first rate.
14.When I am uncertain‚ I can’t go forward.
15.When I am uncertain I can’t function very well.
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16.Unlike me‚ others always seem to know where they are going in their lives.
17.Uncertainty makes me vulnerable‚ unhappy‚ or sad.
18.I always want to know what the future has in store for me.
19.I can’t stand being taken by surprise.
20.The smallest doubt can stop me from acting.
21.I should be able to organize everything in advance.
22.Being uncertain means that I lack confidence.
23.I think it’s unfair that other people seem sure about their future.
24.Uncertainty keeps me from sleeping soundly.
25.I must get away from all uncertain situations.
26.The ambiguities in life stress me.
27.I can’t stand being undecided about my future.
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Intolerance of Uncertainty (IUS-12)
Carleton‚ Norton‚ and Asmundson‚ 2007
1.    Unforeseen events upset me greatly.
2.    It frustrates me not ha‎ving all the information I need.
3.    One should always look ahead so as to avoid surprises.
4.    A small unforeseen event can spoil everything‚ even with the best planning.
5.    I always want to know what the future has in store for me.
6.    I can’t stand being taken by surprise.
7.    I should be able to organize everything in advance.
8.    Uncertainty keeps me from living a full life.
9.    When it’s time to act‚ uncertainty paralyses me.
10.When I am uncertain‚ I can’t function very well.
11.The smallest doubt can stop me from acting.
12.I must get away from all uncertain situations.
 
1-not at all ch‎aracteristic of me‚ 3- Somewhat ch‎aracteristic of me‚ 5-entirely ch‎aracteristic of me
For “IUS-12”: Prospective Anxiety items 1-7 and Inhibitory Anxiety items 8-12 (Carleton et al‚ 2010)
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Buhr‚ Kristin E. M. (2001). Examination of the Relationship between Intolerance of Uncertainty and Worry. Montreal‚ Quebec‚ Canada‚ ma‎sters of Art Thesis

Buhr‚ K.‚ & Dugas‚ M. J. (2002). The Intolerance of Uncertainty Scale: psychometric properties of the English version. Behaviour research and therapy‚ 40(8)‚ 931–45.

Buhr‚ K.‚ & Dugas‚ M. J. (2006).   Investigating the construct validity of intolerance of uncertainty and its unique relationship with worry. Journal of Anxiety Disorders‚ 20(2)‚ 222–236

Carleton‚ R. N.‚ Collimore‚ K. C.‚ & Asmundson‚ G. J. G. (2010). ‘‘It’s not just the judgements —It’s that I don’t know’’: Intolerance of uncertainty as a predictor of social anxiety. Journal of Anxiety Disorders‚ 24‚ 189-195.

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Carleton‚ R. N.‚ Gosselin‚ P.‚ & Asmundson‚ G. J. G. (2010). The Intolerance of Uncertainty Index: Replication with an English sample. Psychological Assessment‚ 22(2)‚ 396-406.

Carleton‚ R. N.‚ Mulvogue‚ M. K.‚ Thibodeau‚ M. A.‚ McCabe‚ R. E.‚ Antony‚ M. M.‚ & Asmundson‚ G. J. G. (2012). Increasingly certain about uncertainty: Intolerance of uncertainty across anxiety and depression. Journal of Anxiety Disorders‚ 26‚ 468-479.

Carleton‚ R. N.‚ Norton‚ M. A. P. J.‚ & Asmundson‚ G. J. G. (2007). Fearing the unknown: A short version of the Intolerance of Uncertainty Scale. Journal of Anxiety Disorders‚ 21‚ 105-117.

Helsen‚Kim.‚ Bussche‚ Eva Van den.‚ Vlaeyen‚ ‚ Johan W.S. Goubert‚ Liesbet. (2013). Confirmatory factor analysis of the Dutch Intolerance of Uncertainty Scale: Comparison of the full and short version. J Behav Ther Exp Psychiatry;44(1):21-9

Cite this article

mohammad looti (2026). Intolerance of Uncertainty (IUS). PSYCHOLOGICAL SCALES. Retrieved from https://scales.arabpsychology.com/s/intolerance-of-uncertainty-ius/

mohammad looti. "Intolerance of Uncertainty (IUS)." PSYCHOLOGICAL SCALES, 23 Apr. 2026, https://scales.arabpsychology.com/s/intolerance-of-uncertainty-ius/.

mohammad looti. "Intolerance of Uncertainty (IUS)." PSYCHOLOGICAL SCALES, 2026. https://scales.arabpsychology.com/s/intolerance-of-uncertainty-ius/.

mohammad looti (2026) 'Intolerance of Uncertainty (IUS)', PSYCHOLOGICAL SCALES. Available at: https://scales.arabpsychology.com/s/intolerance-of-uncertainty-ius/.

[1] mohammad looti, "Intolerance of Uncertainty (IUS)," PSYCHOLOGICAL SCALES, vol. X, no. Y, Ű” Z-Z, April, 2026.

mohammad looti. Intolerance of Uncertainty (IUS). PSYCHOLOGICAL SCALES. 2026;vol(issue):pages.

Related terms:

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  2. Tolerance-Intolerance of Ambiguity Scale (TIA)
  3. Scale of Tolerance-Intolerance of Ambiguity
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