Data Collection by Survey
Surveys
Persuasion Strategies
Survey Safety
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Updated: Mar 19, 2026

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
Published on: March 19, 2021
Ada Keding1, Sally Brabyn2, Hugh MacPherson2
1York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK.
Short message service (SMS) text message reminders do not appear to improve questionnaire response rates in randomized controlled trial (RCT) follow-ups. Postnotification showed a potential benefit, but overall evidence for SMS effectiveness remains unclear.
Area of Science:
Background:
Purpose of the Study:
Main Methods:
Main Results:
Conclusions: