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Updated: Jun 15, 2025

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
Published on: March 19, 2021
Janessa Griffith1,2,3,4, Helen Monkman4, Sydney Penner3
1Health Information Management, Douglas College, Coquitlam, Canada.
This study demonstrates low-cost, in-house usability testing for a mobile health app. Iterative testing improved the app
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