What is Intolerance of uncertainty?
Intolerance of uncertainty is trait whereby an individual has negative beliefs about uncertainty in general and its consequences. As a result people with an Intolerance of uncertainty tend to react with negative thoughts, feelings and actions to situations or prospective situations that have a level of perceived uncertainty in them.
Buhr K, Dugas MJ. (2002) The intolerance of uncertainty scale: Psychometric properties of the English version. Behaviour Research and Therapy. 2002;40:931–945.