"The trap of data, numbers, statistics, and charts"

Maria Konnikova, from "Humanities aren’t a science. Stop treating them like one" at Scientific American's Literally Psyched blog:
Every softer discipline these days seems to feel inadequate unless it becomes harder, more quantifiable, more scientific, more precise. That, it seems, would confer some sort of missing legitimacy in our computerized, digitized, number-happy world. But does it really? Or is it actually undermining the very heart of each discipline that falls into the trap of data, numbers, statistics, and charts? Because here’s the truth: most of these disciplines aren’t quantifiable, scientific, or precise. They are messy and complicated. And when you try to straighten out the tangle, you may find that you lose far more than you gain. 
It’s one of the things that irked me about political science and that irks me about psychology—the reliance, insistence, even, on increasingly fancy statistics and data sets to prove any given point, whether it lends itself to that kind of proof or not. I’m not alone in thinking that such a blanket approach ruins the basic nature of the inquiry. Just consider this review of Jerome Kagan’s new book, Psychology’s Ghosts,by the social psychologist Carol Tavris. “Many researchers fail to consider that their measurements of brains, behavior and self-reported experience are profoundly influenced by their subjects’ culture, class and experience, as well as by the situation in which the research is conducted,” Tavris writes. “This is not a new concern, but it takes on a special urgency in this era of high-tech inspired biological reductionism.” The tools of hard science have a part to play, but they are far from the whole story. Forget the qualitative, unquantifiable and irreducible elements, and you are left with so much junk.
And a postscript, via Einstein, here.

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