NIKOLAEV, A. and ANUFRYIENKA, L. 2024. THE METHODS FOR DETERMINING ATHLETES’ MENTAL STATE AND ATTITUDES AFTER THEIR UNSUCCESSFUL PERFORMANCES. Vestnik of Polotsk State University. Part E. Pedagogic Sciences. 2 (Nov. 2024), 84-89. DOI:https://doi.org/10.52928/2070-1640-2024-42-2-84-89.