Role of Traumatic Events and Motivational Structure in Ambiguity Tolerance of Irritable Bowel Syndrome.

: The main purpose of this study was to delineate the role of motivational structure and traumatic events in the prediction of ambiguity tolerance in patients with irritable bowel syndrome (IBS). : A total of 200 patients with the diagnosis of IBS, referred to the Shariati hospital in 2018, were enrolled using a correlational design and convenience sampling. All participants were asked to complete the ambiguity tolerance questionnaire, the life event checklist, and the personal concerns inventory.