As workplaces increasingly recognise the importance of employee mental wellbeing, research into psychological flexibility and psychological inflexibility (PF/PI) has grown. PF, rooted in Acceptance and Commitment Therapy (ACT), is the capacity to pursue valued goals despite stressors and internal challenges, whereas PI reflects rigid attempts to avoid or control unwanted internal experiences, even when doing so undermines wellbeing or goal pursuit. Our systematic search across five databases ide
