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Ainsworth, H., Hewitt, C. E., Higgins, S., Wiggins, A., Torgerson, D. J., & Torgerson, C. J. (2015). Sources of bias in outcome assessment in randomised controlled trials: a case study. Educational Research and Evaluation, 21(1), 3-14.
Ainsworth, Hannah, et al. "Sources of bias in outcome assessment in randomised controlled trials: a case study." Educational Research and Evaluation 21.1 (2015): 3-14.
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H Ainsworth, CE Hewitt, S Higgins… - Educational …, 2015 - Taylor & Francis

Sources of bias in outcome assessment in randomised controlled trials: a case study.

Educational trials

Hewitt, Higgins

GSID: vWKOmGFGOj4J

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… In educational trials, the outcome of interest is usually a form of educational test. Often, several educational tests are given to assess outcome. It is important, however, that a single test is identified as the main outcome variable before the experiment has been completed or the …

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