(Q34062211)
Statements
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Can research assessments themselves cause bias in behaviour change trials? A systematic review of evidence from solomon 4-group studies (English)
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Diana Elbourne
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Jim McCambridge
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Kaanan Butor-Bhavsar
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John Witton
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19 October 2011
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18 June 2019
19 September 2019
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18 June 2019
19 September 2019
10
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e25223
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18 June 2019
19 September 2019
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Identifiers
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