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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
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