The relationship between tolerance for uncertainty and academic adjustment: the mediating role of students' psychological flexibility during COVID-19.

Introduction: University students are among the groups most adversely affected by COVID-19 in terms of their psychological and academic wellbeing, particularly given the pandemic's uncertainty. However, little is known about their psychological flexibility to deal with this uncertain nature of pandemic. This study aimed to examine the mediating role of psychological flexibility (PF) in the relationship between university students' intolerance of uncertainty (IU) and their academic adjustment to the online learning process during COVID-19.