Impact and Costs of Incentives to Reduce Attrition in Online Trials: Two Randomized Controlled Trials
BackgroundAttrition from follow-up is a major methodological challenge in randomized trials. Incentives are known to improve response rates in cross-sectional postal and online surveys, yet few studies have investigated whether they can reduce attrition from follow-up in online trials, which are par...
Saved in:
Main Authors: | , , , , , , , |
---|---|
Format: | Book |
Published: |
JMIR Publications,
2011-03-01T00:00:00Z.
|
Subjects: | |
Online Access: | Connect to this object online. |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Internet
Connect to this object online.3rd Floor Main Library
Call Number: |
A1234.567 |
---|---|
Copy 1 | Available |