Open AccessImpact and Costs of Incentives to Reduce Attrition in Online Trials: Two Randomized Controlled Trials
Author(s) -
Zarnie Khadjesari,
Elizabeth Murray,
Eleftheria Kalaitzaki,
Ian R. White,
Jim McCambridge,
Simon G. Thompson,
Paul Wallace,
Christine Godfrey
Publication year - 2011
Publication title -
journal of medical internet research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.446
H-Index - 142
eISSN - 1439-4456
pISSN - 1438-8871
DOI - 10.2196/jmir.1523
Subject(s) - attrition , incentive , randomized controlled trial , medicine , computer science , psychology , economics , surgery , dentistry , microeconomics
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