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Table 2 Therapists' ratings of prototype operation.

From: A haptic-robotic platform for upper-limb reaching stroke therapy: Preliminary design and evaluation results

  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
  1. 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.