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Table 2 Acquisition, transfer, and retention values

From: Weight-supported training of the upper extremity in children with cerebral palsy: a motor learning study

  Week 1 Week 2 Transfer Δweek 2 – Δweek 1 Retention Week 2 day 4 - day 3
  Day 1 Day 3 Day 1 Day 3 Day 4 p-value Effect size p-value Effect size
Time [s] 25.55 ± 5.56 24.64 ± 7.37 22.09 ± 4.48 20.05 ± 4.93 18.86 ± 3.13 0.433 d = 0.32 0.337 d = 0.29
Path-ratio [m/m] 1.81 ± 0.48 1.84 ± 0.50 1.70 ± 0.31 1.50  ± 0.26 1.47 ± 0.22 0.266 rES = 0.24 0.880 d = 0.10
BBT [blocks/min] 36.59 ± 15.15 37.05 ± 14.01 36.50 ± 13.99 40.46 ± 14.63 39.82 ± 15.24 0.008 d = 1.59 0.559 d = 0.04
Melbourne [%] 90.34 ± 9.78 89.96 ± 9.81 90.34 ± 9.28 92.24 ± 8.13 91.86 ± 9.20 0.063 rES = 0.40 0.996 rES = 0.14
  1. Displayed are the means ± standard deviations for all measurement time points of week 1 and 2. Skill transfer analyzes the difference between week 1 and 2, whereas retention looks at the difference of day 3 and 4 of week 2
  2. Abbreviations: d Cohan’s d, r ES non-parametric effect size, BBT Box and Block Test, Melbourne Melbourne Assessment for Unilateral Upper Limb Function