Descriptive values (means, SD) of the pre-test and post-test for the experimental group and the control group in the different dependent measurements
| Athletic performance | MAAS | PSQ | WAI-T anxiety | WAI-T concern | WAI-T concentration | ||
| EG | Pre-test | 8.37 (3.06) | 58.50 (7.40) | 47.50 (23.65) | 9.37 (3.33) | 8.62 (2.50) | 9.12 (1.89) |
| Post-test | 8.87 (2.64) | 53.62 (8.38) | 43.54 (16.38) | 9.50 (3.34) | 9.00 (2.39) | 8.50 (1.19) | |
| CG | Pre-test | 7.50 (2.39) | 64.75 (9.09) | 46.25 (16.82) | 9.62 (2.39) | 10.50 (2.45) | 9.13 (2.64) |
| Post-test | 7.37 (3.42) | 56.00 (8.71) | 44.95 (16.35) | 9.37 (1.99) | 11.00 (2.92) | 10.13 (3.31) |
CG, control group; EG, experimental group; MAAS, Mindful Attention Awareness Scale; PSQ, Perceived Stress Questionnaire; WAI-T, competition anxiety inventory—trait.