On watching this video, students should be able to: Distinguish between an observational and experimental study. Explain the main reason why a randomised experiment can if done well, be used as a test ...
Correspondence to Dr Sebastien F M Chastin, School of Health and Life Sciences, Institute for Applied Health Research, Glasgow Caledonian University, Glasgow G4 0BA, UK; Sebastien.Chastin{at}gcu.ac.uk ...
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