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Unconditional or conditional incentives for initial and followup postal questionnaires in a clinical trial

SWAT: 96

Objective of this SWAT:

To evaluate the effect of unconditional versus conditional gift voucher incentives on response rates to initial and repeat mailed questionnaires, reminders sent and questionnaire completeness

Status:

In Progress

Resources:

Please click the links below to access the registered protocol or SWAT download bundle which includes: 1) SWAT Intial Results Publication; 2)SWAT Replication publication
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