Table 2.

Participant involvement, credibility, and usability of the intervention.

Measurement	Score
Returned homework assignments (n=8), mean (SD)	5.51 (2.38)
Credibility/Expectancy Questionnaire score, mean (SD; 95% CI)	33.0 (12.4; –28.66 to 94.66).
System Usability Scale score, mean (SD; 95% CI)	66.9 (16.8; –22.03 to 150.03)
Serious adverse events, n	0