The effect of using social pressure in cover letters to improve retention in a longitudinal health study: an embedded randomised controlled retention trial

The effect of using social pressure in cover letters to improve retention in a longitudinal health study: an embedded randomised controlled retention trial

Abstract Background Retention of participants in cohort studies is important for validity. One way to promote retention is by sending a persuasive cover letter with surveys. The study aimed to compare the effectiveness of a covering letter containing social pressure with a standard covering letter o...

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Bibliographic Details
Main Authors: Sarah Cotterill, Kelly Howells, Sarah Rhodes, Peter Bower
Format: Article
Language:English
Published: BMC 2017-07-01
Series:Trials
Subjects:
Social pressure
General practice
Health behaviour
Primary care
Randomised controlled trial
Embedded
Online Access:http://link.springer.com/article/10.1186/s13063-017-2090-5

Internet

http://link.springer.com/article/10.1186/s13063-017-2090-5

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