The Hypothesis-Testing Philosophy of Harold Jeffreys Expressed As a 13-Word Slogan

[Featured image taken from a painting by Marlijn Bouwman under a CC-BY license (and available from the artwork library on this site)] In the 1930s, the polymath Harold Jeffreys developed a general Bayesian philosophy on hypothesis testing. Essentially, Jeffreys wanted to formalize the idea of scientific caution in statistical reasoning. Jeffreys argued that “variation must be taken as random until…
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