Various on-paper strategies to improve participation in a postal survey
SWAT: 104
Objective of this SWAT:
To evaluate the effects on recruitment of a teaser on the envelope, portrait photos of the researchers on the cover letter and both combined in a paper-and-pencil postal survey.
Status:
In Progress
Resources:
Please click the links below to access the registered protocol or SWAT download bundle which includes: 1) Initial SWAT publication
