Tuesday, November 08, 2005

Tufte on language

The vaguely quantitative words "significant" and "significantly" are used 5 times on this slide, with de facto meanings ranging from "detectable in largely irrelevant calibration case study" to "an amount of damange so that everyone dies" to "a difference of 640-fold." None of these 5 usages appears to refer to the technical meaning of "statistical significance."

-- Edward Tufte, On Columbia Evidence: Analysis of Key Slide + Return to Flight Follow-ups. [link]

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