Table 1.
Stroke Type | Highly Trained (n = 8237) |
Novice (n = 6561) |
Mean Difference | Mean Difference (95% CI) |
Effect Size | p-Value | |
---|---|---|---|---|---|---|---|
Lower | Upper | ||||||
Serve | 0.52 (0.28) | 0.69 (0.25) | −0.11 | −0.13 | −0.09 | 0.42 | <0.001 * |
Groundstroke | 0.64 (0.32) | 0.57 (0.34) | 0.07 | 0.05 | 0.10 | −0.23 | <0.001 * |
Volley | 0.38 (0.26) | 0.51 (0.26) | −0.14 | −0.15 | −0.12 | 0.52 | <0.001 * |
Tray | −0.01 (0.34) | 0.24 (0.31) | −0.25 | −0.29 | −0.21 | 0.76 | <0.001 * |
Smash | 0.45 (0.44) | 0.60 (0.30) | −0.15 | −0.22 | −0.08 | 0.40 | <0.001 * |
Backwall | 0.43 (0.41) | 0.11 (0.35) | 0.32 | 0.28 | 0.35 | −0.83 | <0.001 * |
Lob | 0.65 (0.32) | 0.59 (0.38) | 0.06 | 0.03 | 0.10 | −0.18 | 0.001 * |
Lateral wall | 0.73 (0.38) | 0.61 (0.37) | 0.13 | 0.07 | 0.19 | -0.35 | <0.001 * |
Double wall | 0.49 (0.43) | 0.26 (0.44) | 0.24 | 0.15 | 0.32 | −0.54 | <0.001 * |
ES = Cohen’s d effect size. * Significant mean differences between groups (p < 0.05).