Table 1 Descriptions of Smart Board evaluation tasks and parameters
Task | Parameter | Description |
|---|---|---|
Free exploration | Explored area ratio (%) | The ratio of (a) the area the participant covers to (b) the area required to be filled |
Reaching distance (cm) | The mean reaching distance in all directions | |
Completion time (s) | The time required to finish the test | |
Point-to-point reaching | Target error (cm) | The linear deviation between (a) the target and (b) the point where the speed drops to below 5% of the maximum speed |
Movement time (s) | The mean time to reach the target | |
Smoothness | The normalized jerk by integrating the absolute jerk value over all routes | |
Circle drawing | Shape closeness | The measure of closeness between (a) the target shape (circle) and (b) the shape drawn by the participant |
Roundness | The measure of how closely the shape drawn by the participant approaches that of a mathematically perfect circle | |
Completion time (s) | The time required to draw the circle |