Table 2 Summary of user experience surveys provided to each subject

Items

10

37

12

Scoring

1–5 scale: strongly disagree to strongly agree

1–7 scale: not at all to very true

1–5 scale: not satisfied at all to very satisfied

Subcategories

None

• Interest/enjoyment

• Effort/importance

• Value/usefulness

• Perceived choice

• Perceived competence

• Pressure/tension

• Smartphone app and wearable devices

• Training and assistance

Sample questions

• I thought the system was easy to use

• I think that I would need the support of a technical person to be able to use this system

• I found the various functions in the system were well integrated

• It was important to me to do well at the exercises

• I put a lot of effort into the cued exercises

• I think I did pretty well with the exercises compared to others who may also be using the same system

• How satisfied are you with how easy it is to use the smartphone app?

• How satisfied are you with how comfortable the wearable devices are?

• How satisfied are you with the troubleshooting of issues provided by the researchers during setup and use of the app and devices?