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Your Book Review: The Righteous Mind

Astral Codex Ten Podcast

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The Handiness Distribution Is Bimodal Handiness

Psychological concepts are normally bundles of more fundamental concepts that have been lumped together to create some higher level abstraction. There is a similar distinction to the height versus handedness. Distinction at play in terms of how firmly implied such groupings are by underlying reality. When two smooth distributions correlate neatly, like foot size and hand size, they can easily be combined into a single measurement  and talked about like there a single thing. But there's a very meaningful sense in which foot slash hand size is a useful concept in a way that uncorrelated things like short or long sidedness isn't.

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