Search Results - John Witton

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    The effects of demand characteristics on research participant behaviours in non-laboratory settings: a systematic review.

    The effects of demand characteristics on research participant behaviours in non-laboratory settings: a systematic review. by Jim McCambridge, Marijn de Bruin, John Witton

    Published 2012-01-01
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    Can research assessments themselves cause bias in behaviour change trials? A systematic review of evidence from solomon 4-group studies.

    Can research assessments themselves cause bias in behaviour change trials? A systematic review of evidence from solomon 4-group studies. by Jim McCambridge, Kaanan Butor-Bhavsar, John Witton, Diana Elbourne

    Published 2011-01-01
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