Table 2.
Therapists' ratings of prototype operation.
| No Power | Low Power | Medium Power | High Power | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| Comfort | 3.75 | 0.46 | 3.75 | 0.46 | 3.63 | 0.52 | 3.63 | 0.52 |
| Comfort-P | 2.69 | 1.28 | 3.13 | 0.99 | 3.50 | 0.76 | 3.38 | 0.74 |
| Safety | 4.00 | 0.00 | 4.00 | 0.00 | 3.88 | 0.35 | 3.75 | 0.71 |
| Safety-P | 3.25 | 1.16 | 3.63 | 0.74 | 3.63 | 0.74 | 3.38 | 0.92 |
| QOM | 4.00 | 0.00 | 3.75 | 0.46 | 3.38 | 0.74 | 3.38 | 0.92 |
| QOM-P | 3.75 | 0.71 | 3.88 | 0.35 | 3.19 | 0.84 | 3.06 | 0.78 |
Mean and standard deviation (SD) of haptic platform responses for comfort level, perceived safety, and quality of motion (QOM) with respect to therapists' own experience with the prototype and their opinion of prototype suitability for use with stroke patients (denoted by -P suffix). Ratings are from 1 (bad) to 4 (good), N = 8.