Blar i Artikler fra Kunnskapssenteret på tidsskrift "BMC research notes"
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Chocolate bar as an incentive did not increase response rate among physiotherapists: a randomised controlled trial.
(Journal article; Peer reviewed, 2008-06-24)ABSTRACT: BACKGROUND: The aim of this study was to assess the effect of a small incentive, a bar of dark chocolate, on response rate in a study of physiotherapy performance in patients with knee osteoarthritis. FINDINGS: ...