What’s published in the journal isn’t what the researchers actually did.

David Allison points us to these two letters: Alternating Assignment was Incorrectly Labeled as Randomization, by Bridget Hannon, J. Michael Oakes, and David Allison, in the Journal of Alzheimer’s Disease. Change in study randomization allocation needs to be included in statistical analysis: comment on ‘Randomized controlled trial of weight loss versus usual care on telomere …