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Dispelling Myths about Randomisation
Marcus Munafò explores randomisation processes.
If our sample is small our standard error will be large, reflecting the greater likelihood of imbalance, and our statistical test will take that into account when generating a confidence interval and p-value. Better to invest our energies in ensuring that our randomisation mechanism is indeed robust by design (e.g., computer-generated random numbers that are generated by someone not involved in data collection). Marcus Munafò is a Professor of Biological Psychology and MRC Investigator, and Associate Pro Vice-Chancellor - Research Culture, at the University of Bristol.
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