Statistical significance, p-values and replicability

Statistical thinking for researchers

Still carrying on about p-values? Yes absolutely! It runs out that some have interpreted the American Statistical Association’s statement on p-values as official ASA policy, on the one hand; and on the other hand, as statisticians abandoning p-values entirely. That’s not what was intended, writes Karen Kafadar, President of the ASA and Editor-in-Chief of the […]

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Stat talk: What’s a standard error and when should I report it rather than the standard deviation of my data?

FAQs

Perhaps the most popular question SCU consultants get asked is whether it is better to report a standard deviation or a standard error. This question is always built upon a fundamental misunderstanding of these two very different concepts. I suspect that students have missed the point because their supervisors tell them, for example, to use […]

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