Feasibility, user experiences, and preliminary effect of Conversation Cards for Adolescents© on collaborative goal-setting and behavior change: protocol for a pilot randomized controlled trial

Table 3 Outcome measures and assessment time points for physicians

Variable	Measure	Instrument	Assessment Interval
Variable	Measure	Instrument	Baseline	Follow-up
Primary outcome		Feasibility metrics and thresholds documented continually.
Secondary outcomes–process evaluation items	Tool user experience Tool acceptance and adoption Tool likeability, usefulness, feasibility, usability	User experience questionnaire Technology acceptance model Researcher-developed questionnaire	T0	T2 T2 T2

ISSN: 2055-5784