Table 2.
Reliability measure for My Jump 2 in primary school children.
| ES | Diff (95%CI) | ICC (95%CI) | TE (95%CI) | CV% (95%CI) | SWC% | Rating | |
|---|---|---|---|---|---|---|---|
| SJ | |||||||
| All | −0.12 trivial | 0.5 (−0.1; 1.1) | 0.88 (0.81; 0.93) | 1.5 (1.2; 1.8) | 7.6 (6.4; 9.6) | 0.8 (3.3%) | marginal |
| Boys | −0.06 trivial | 0.2 (−0.8; 1.3) | 0.89 (0.75; 0.94) | 1.6 (1.2; 2.3) | 8.3 (6.3; 12.6) | 0.9 (3.7%) | marginal |
| Girls | −0.23 small | 0.7 (0.0; 1.4) | 0.95 (0.85; 0.97) | 0.8 (0.6; 1.4) | 4.8 (3.5; 8.1) | 0.7 (3.3%) | marginal |
| CMJ | |||||||
| All | −0.10 trivial | 0.4 (0.0; 0.8) | 0.96 (0.93; 0.97) | 1.0 (0.8; 1.3) | 4.6 (3.9; 5.8) | 1.0 (3.4%) | ok |
| Boys | −0.10 trivial | 0.5 (−0.2; 1.2) | 0.97 (0.93; 0.99) | 1.0 (0.8; 1.5) | 4.9 (3.7; 7.3) | 1.1 (4.0%) | good |
| Girls | −0.12 trivial | 0.2 (−0.6; 1.1) | 0.92 (0.77; 0.96) | 1.0 (0.8; 1.7) | 4.7 (3.4; 7.9) | 0.7 (3.1%) | marginal |
| CMJAM | |||||||
| All | −0.10 trivial | 0.2 (−0.2; 0.7) | 0.97 (0.94; 0.98) | 1.1 (0.9; 1.4) | 4.9 (4.1; 6.2) | 1.2 (3.7%) | good |
| Boys | −0.14 trivial | 0.3 (−0.3; 1.0) | 0.98 (0.96; 0.99) | 0.9 (0.7; 1.4) | 4.1 (3.1; 6.1) | 1.4 (4.9%) | good |
| Girls | −0.03 trivial | 0.3 (−0.5; 1.1) | 0.93 (0.81; 0.97) | 1.0 (0.7; 1.6) | 3.9 (2.8; 6.5) | 0.7 (2.2%) | marginal |
Abbreviations: SJ, squat jump; CMJ, countermovement jump; CMJAM, countermovement jump free arms; ES, Cohen d effect size; Diff, difference; ICC, intraclass correlation coefficient; TE, typical error; CV, coefficient of variation; SWC, smallest worthwhile change.