Starkly Expressed, Analyzing Daylight Savings Time is Associated with Silliness

(by David Thissen)

A friend just sent me this article by John Gaski and Jeff Sagarin, that concludes (among other things) on p. 50 that “Starkly expressed, Daylight Savings Time appears to cause brain damage.”

This is based on getting a lot of mileage (and actual publication) out of a couple regression equations, conditioning on race and free-and-reduced lunch and blaming the rest of the regional differences in Indiana on DST.

And dazzling the reviewers with some prose about sines and cosines, nearly as I can tell the point of which is to keep the reviewers’ minds off all the other variables the authors didn’t condition on.

(David Thissen teaches psychometrics at the University of North Carolina.)

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The Statistics Forum, brought to you by the American Statistical Association and CHANCE magazine, provides everyone the opportunity to participate in discussions about probability and statistics and their role in important and interesting topics.

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