Table 2.
Rotated component matrix.
| Variance and variables | Component | |||
| 1 | 2 | 3 | ||
| Variance explained | 31.386% | 24.788% | 20.616%* | |
| Variable, correlation estimate | ||||
| Number of movements | –.049 | .294 | –.782* | |
| Mean time of movement (msec) | .983* | –.048 | .003 | |
| Mean speed of movement (m/s) | .015 | .840* | .199 | |
| Mean of max speed (m/s) | –.024 | .943* | –.009 | |
| Highest maximum speed (m/s) | –.078 | .723* | –.572 | |
| Lowest maximum speed (m/s) | .035 | .264 | .800* | |
| Maximum acceleration of movement | –.083 | .809* | .139 | |
| Highest maximum acceleration | –.090 | .642* | –.597 | |
| Lowest maximum acceleration | –.044 | .447 | .784* | |
| Mean of shaking 1 | .747* | –.021 | –.229 | |
| Mean of shaking 2 | .896* | –.120 | –.047 | |
| Mean of shaking 3 | .892* | –.024 | .173 | |
| Mean of shaking 4 | .728* | .022 | .225 | |
* Strongest correlations between variables and components (factors). Those in component 1 make up “trembling” factor, those in component 2 make up “speed” factor, and those in component 3 make up “accuracy” factor.