“…happiness/joy and, excitement/enthusiasm), emotional states respectively. Despite progress in understanding how uncertainty and emotion intersect (Anderson et al, 2019;Fontaine et al, 2007;Morriss, Tupitsa, et al, 2022;Roseman, 1984;Smith & Ellsworth, 1985), very little is understood as to how individual differences contribute to uncertainty and emotion interactions (Anderson et al, 2019;Hillen et al, 2017). A growing body of research has started to highlight how the transdiagnostic risk factor, Intolerance of Uncertainty (IU), the tendency to view uncertainty as unbearable and stressful (Carleton et al, 2007;Freeston et al, 1994), is associated with greater experience of negative emotional states such as fear and anxiety (Morriss, Wake, et al, 2021;Morriss, Zuj, et al, 2021;Tanovic et al, 2018).…”