Table 3.
The plate discipline ability of the baseball players with the best visual ability (top 20% of CoreScores) as compared to those with the worst visual ability (bottom 20% of CoreScores).
| CoreScore | inzoneSwingPct | inzoneFbSwingPct | ChasePct | FbChasePct | BBperPA | YrsMLService | |
|---|---|---|---|---|---|---|---|
| Mean Top 20% | 1.950 | 0.632 | 0.629 | 0.293 | 0.259 | 0.091 | 0.898 |
| StdDev Top 20% | 0.290 | 0.066 | 0.078 | 0.057 | 0.063 | 0.037 | 2.110 |
| Mann Whitney (p-value) | — | 0.015 | 0.011 | 0.015 | 0.004 | 0.030 | 0.480 |
| Mean Bottom 20% | −0.140 | 0.653 | 0.654 | 0.318 | 0.286 | 0.081 | 0.718 |
| StdDev Bottom 20% | 0.370 | 0.062 | 0.065 | 0.077 | 0.076 | 0.035 | 1.790 |
| Hedges G | — | 0.328 | 0.348 | 0.370 | 0.387 | 0.278 | — |