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Table 1 Feasibility metrics and thresholds of success

From: 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

Feasibility metric

Measure of success

Practicality

Time:

 • 15 min to complete tool activity in waiting room

 • No differences in appointment length (experimental vs control)

 • 15 min to complete outcome measures post-appointment

Commitment:

 • Recruitment: Willingness of staff to help recruit adolescents; ≥ 85% recruited (“n” enrolled/“n” screened and eligible for enrollment)

 • Attrition: ≤ 15%

Implementation

≥ 95% completion of tool activity by adolescents

≥ 95% completion of goal-setting sheet by adolescents and physicians

Demand

Expressed interest or intention by clinic staff to use the tool post-study

Randomization protocol

 • ≥ 85% adolescents willing to be randomized

 • 100% accuracy of randomization procedures

Measurement protocol

100% and ≥ 85% assessment completed by adolescents at baseline and 3-weeks follow-up, respectively