Table 1.

Schedule of outcome measurement.

Outcome	Start of game	Start of each module	Completion of game	3 months following completion
Acceptability	N/Aa	N/A	User feedback via questionnaires and semistructured interviews	N/A
Usability	N/A	N/A	System Usability Scale, user feedback via semistructured interviews	N/A
Effectiveness	GAD-7b, SCASc, Likert VASd, PedsQLe	Likert VAS	GAD-7, SCAS, Likert VAS, Peds QL	GAD-7, SCAS, Peds QL

^aN/A: not applicable.

^bGAD-7: Generalized Anxiety Disorder-7 item.

^cSCAS: Spence Children’s Anxiety Scale.

^dVAS: visual analog scale.

^ePedsQL: Pediatric Quality of Life Inventory.