Table 3.
Number of shots required for the calculation of each performance parameter depending on the reliability index used.
| Club | Performance Parameter | ICC | SEM | MDC |
|---|---|---|---|---|
| Driver | Ball speed (km/h) | 1 | 3 | 3 |
| Club speed (km/h) | 1 | 7 | 7 | |
| Smash factor | 4 | 7 | 7 | |
| Carry distance (m) | 1 | 2 | 2 | |
| Total distance (m) | 1 | 3 | 3 | |
| Roll distance (m) | 7 | 7 | 7 | |
| Spin rate (rpm) | 4 | 7 | 7 | |
| Apex height (m) | 2 | 7 | 7 | |
| Flight time (s) | 2 | 2 | 2 | |
| Angle of attack (°) | 2 | 4 | 4 | |
| Spin loft (°) | 2 | 2 | 2 | |
| Spin axis (°) | 13 | 2 | 2 | |
| Lateral distance (m) | 1 | 2 | 2 | |
| Launch direction (°) | 8 | 5 | 5 | |
| Launch angle (°) | 3 | 3 | 3 | |
| Six Iron | Ball speed (km/h) | 1 | 6 | 6 |
| Club speed (km/h) | 1 | 1 | 1 | |
| Smash factor | 5 | 6 | 6 | |
| Carry distance (m) | 1 | 6 | 6 | |
| Total distance (m) | 1 | 6 | 6 | |
| Roll distance (m) | 1 | 1 | 1 | |
| Spin rate (rpm) | 2 | 2 | 2 | |
| Apex height (m) | 1 | 9 | 9 | |
| Flight time (s) | 1 | 8 | 8 | |
| Angle of attack (°) | 2 | 9 | 9 | |
| Spin loft (°) | 1 | 11 | 11 | |
| Spin axis (°) | 1 | 4 | 4 | |
| Lateral distance (m) | 1 | 1 | 1 | |
| Launch direction (°) | 1 | 12 | 12 | |
| Launch angle (°) | 1 | 11 | 11 |
ICC = intraclass correlation coefficient; SEM = standard error of the measurement; MDC = minimum detectable change.