| I only used sound | I used sound more than vibration | I used both modalities equally | I used vibration more than sound | I only used vibration |
At the beginning of the trial | Â | Â | Â | Â | Â |
At the end of the trial | Â | Â | Â | Â | Â |
During the trial | Â | Â | Â | Â | Â |
How informative did you find it? | Very useless | Somehow useless | Neither useful nor useless | Somehow useful | Very useful |
Sound | Â | Â | Â | Â | Â |
Vibration | Â | Â | Â | Â | Â |
Multimodal | Â | Â | Â | Â | Â |
 |  | Sound | Vibration | Multimodal |  |
If you were to use this device daily, what type of sensory modality would you like to use? (Choose only one) | Â | Â | Â | Â |