Simpson’s paradox: Difference between revisions

Simpson’s paradox (view source)

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	{{a\|devil\|}}[[Simpson’s paradox]] is a statistical phenomenon where a trend that is apparent appears in several groups of related data, when viewed in isolation, disappears or reverses when the groups are combined.		{{a\|devil\|{{image\|simpson paradox\|jpg\|Simpson’s paradox beautifully illustrated by [https://twitter.com/infowetrust/status/984536880199876608 @infowetrust on Twitter] yesterday.}}}}[[Simpson’s paradox]] is a statistical phenomenon where a trend that is apparent appears in several groups of related data, when viewed in isolation, disappears or reverses when the groups are combined.

	It plays particular havoc with social scientists when they try to draw [[causation\|causal]] inferences — or moral imperatives — from data they have gathered with the careful intention of illustrating their own precious hypothesis.		It plays particular havoc with social scientists when they try to draw [[causation\|causal]] inferences — or moral imperatives — from data they have gathered with the careful intention of illustrating their own precious hypothesis.