Table 3.
Post hoc pairwise comparisons of 12-min run performance between assessment time points.
| Variable | Group | Comparison | Mean change | SD of difference | t-value | p-value | Hedges’ g (95% CI) |
|---|---|---|---|---|---|---|---|
| 12-min run distance (m) | Weekly feedback | Baseline vs. mid-test | 229.73 | 151.29 | 6.28 | <0.001*** | 1.58 (0.81, 2.32) |
| Baseline vs. post-test | 358.00 | 249.78 | 7.10 | <0.001*** | 1.78 (0.95, 2.59) | ||
| Mid-test vs. post-test | 128.27 | 182.99 | 5.03 | <0.001*** | 1.26 (0.57, 1.93) | ||
| Monthly feedback | Baseline vs. mid-test | 78.93 | 148.66 | 2.06 | 0.059 | 0.52 (−0.02, 1.04) | |
| Baseline vs. post-test | 249.33 | 170.02 | 5.68 | <0.001*** | 1.43 (0.70, 2.13) | ||
| Mid-test vs. post-test | 170.40 | 131.75 | 5.01 | <0.001*** | 1.26 (0.57, 1.92) | ||
| 12-min run score | Weekly feedback | Baseline vs. mid-test | 23.00 | 14.37 | 6.20 | <0.001*** | 1.56 (0.79, 2.30) |
| Baseline vs. post-test | 34.33 | 20.95 | 6.35 | <0.001*** | 1.60 (0.82, 2.35) | ||
| Mid-test vs. post-test | 11.33 | 9.54 | 4.60 | <0.001*** | 1.16 (0.50, 1.79) | ||
| Monthly feedback | Baseline vs. mid-test | 5.33 | 14.33 | 1.44 | 0.171 | 0.36 (−0.15, 0.86) | |
| Baseline vs. post-test | 24.00 | 15.38 | 6.05 | <0.001*** | 1.52 (0.76, 2.25) | ||
| Mid-test vs. post-test | 18.67 | 14.57 | 4.96 | <0.001*** | 1.25 (0.56, 1.91) |
Data are presented as mean change ± SD of the difference. Simple effects were analyzed using paired-samples t-tests with Bonferroni correction. Effect sizes are reported as Hedges’ g with 95% confidence intervals. ***p < 0.001.