“…Self-concept Form-5 was used to evaluate the self-concept variable. Based on Shavelson et al [54], this instrument was created by Garcia and Musitu [55], yet we used an adaptation for Judoists developed by Zurita-Ortega et al [56]. Thus, it comprises 24 items grouped into five dimensions: academic self-concept (AC: items 1,6,11,16,21,26), social self-concept (SO: items 2, 7, 12, 17, 22, 27), emotional self-concept (EM: items 3, 8, 13, 18, 23, 28), familiar self-concept (FA: items 4, 9, 14, 19, 24, 29) and physical self-concept (PH: items 5,10,15,20,25,30).…”