Table 3.
Mean, standard deviation, absolute and relative difference, t-value, p-value, and effect size within the age group of under 17 years old.
| Tests | Elite (n = 14) Mean ± SD |
Amateur (n = 8) Mean ± SD |
abs. Mean ∆ (%) |
Effect |
|---|---|---|---|---|
| Height (cm) | 175.8 ± 5.0 | 182.0 ± 7.4 | 6.20 (3.5%) | 1.00 |
| Body mass (kg) | 70.8 ± 7.2 | 70.7 ± 8.4 | 0.10 (0.1%) | 0.02 |
| BMI (%) | 22.9 ± 1.8 | 21.3 ± 1.5 | 1.60 (7.0%) | 0.93 |
| Linear sprint 10 m (s) | 1.80 ± 0.05 | 1.80 ± 0.12 | 0.00 (0.0%) | 0.05 |
| Linear sprint 20 m (s) | 3.06 ± 0.09 | 3.22 ± 0.14 | 0.16 (5.2%) * | 1.40 |
| Squat jump (cm) | 34.87 ± 2.64 | 32.51 ± 4.74 | 2.36 (6.8%) | 0.64 |
| IAT (s) | 14.52 ± 0.22 | 16.23 ± 0.60 | 1.71 (−11.8%) * | 4.12 |
| 505 (s) | 2.25 ± 0.09 | 2.53 ± 0.08 | 0.28 (−12.4%) * | 3.01 |
505 = 505 agility test, IAT = Illinois agility test, cm = centimeter, s = seconds; * = significant (p < 0.05), effect = Hedges’ g.