Lisinskiene, Ausra, Matt Huml, and Marc Lochbaum. “Discriminant Validity of the Positive and Negative Processes in the C–A–P Questionnaire”. Journal of Human Sport and Exercise 17, no. 2 (April 1, 2022): 351–357. Accessed March 29, 2024. https://www.jhse.ua.es/article/view/2022-v17-n2-discriminant-validity-positive-negative-processes-c-.