(THREAD) this recent publication offers a teachable moment on data analysis of parallel-group RCT’s that include pre- and post-treatment measures of a continuous outcome variable:https://www.ncbi.nlm.nih.gov/pubmed/30864188
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Wait.... What?
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Yeah, I’m staying in “my lane” and commenting on the statistical issues here, but feel free to point out any other problems. I don’t think this trial should be taken very seriously, but it’s a good teaching vehicle to explain why NOT to do what they did for analysis.
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This is what you get when people that don’t know how to properly analyze RCT’s perform one without statistical support.
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