Enclosing a pen to improve response rate to postal questionnaire: an embedded randomised controlled trial
(2020)
Journal Article
Cunningham-Burley, R., Roche, J., Fairhurst, C., Cockayne, S., Hewitt, C., Iles-Smith, H., & Torgerson, D. (2020). Enclosing a pen to improve response rate to postal questionnaire: an embedded randomised controlled trial. F1000Research, 9, 577. https://doi.org/10.12688/f1000research.23651.1
Background: Poor response to questionnaires collecting outcome data in randomised controlled trials (RCTs) can affect the validity of trial results. The aim of this study within a trial (SWAT) was to evaluate the effectiveness of including a pen with... Read More about Enclosing a pen to improve response rate to postal questionnaire: an embedded randomised controlled trial.