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@GregLehman They argue that the two measures are correlated (http://t.co/ZO0EFghj4N), but that's obviously subject to heavy debate!
@GregLehman They argue that the two measures are correlated (http://t.co/ZO0EFghj4N), but that's obviously subject to heavy debate!
@runbadders That's certainly a weakness; the author's response is this study: http://t.co/ZO0EFghj4N , which shows decent correlation.