Johles, L., Gustafsson, H., Jansson-Fröjmark, M., Classon, C., Hasselqvist, J. & Lundgren, T. (2020) Psychological Flexibility Among Competitive Athletes: A Psychometric Investigation of a New Scale. Frontiers in Sports and Active Living, 2, 110. https://doi.org/10.3389/fspor.2020.0011 The PFSS was inspired by the AAQ-II and adapted to the sport context to measure the construct of psychological flexibility and the degree to which a person avoids distressing thoughts, emotions, behaviors, or memories. PFSS items are rated on a Likert-type scale ranging from 1 (never true) to 7 (always true).
