Bayes factor

Statistician's ESP prediction comes true!

In our article on ESP and the significance of significance, I made a prediction on the controversy surrounding psychologist Daryl Bem's paper "Feeling the Future" - the one that claimed to find evidence for some forms of ESP (extra-sensory perception). "This one will run and run", I boldly prophesied. And so it came to pass.

ESP and the significance of significance

A controversy about experiments in extra-sensory perception throws some light, and maybe some confusion, on the idea of statistical significance. This article discusses a common misinterpretation of the results of significance tests, and investigates some criticisms of significance tests in general.

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