Elizabeth Kolbert on books about the limitations of human reason

In last week’s New Yorker, Elizabeth Kolbert (author of foundational, Pulitzer Prize-winning nonfiction The Sixth Extinction; my review) reviews three books about the limitations of human reason.

Why Facts Don’t Change Our Minds

The review/essay describes various psychological experiments — which are never actually about what the psychologists tell you they are about, that’s the point — and then addresses the books, which attempt to explore why human psychology is like it is, including the now commonly-known “confirmation bias”.

Mercier and Sperber prefer the term “myside bias.” Humans, they point out, aren’t randomly credulous. Presented with someone else’s argument, we’re quite adept at spotting the weaknesses. Almost invariably, the positions we’re blind about are our own.

(This, of course, explains very much about the current US political climate.)

Another issue is how we all rely on the understanding of everyday devices through our culture; we assume others understand how things work, so we’re comfortable without not knowing, exactly, ourselves:

Sloman and Fernbach see this effect, which they call the “illusion of explanatory depth,” just about everywhere. People believe that they know way more than they actually do. What allows us to persist in this belief is other people. In the case of my toilet, someone else designed it so that I can operate it easily. This is something humans are very good at. We’ve been relying on one another’s expertise ever since we figured out how to hunt together, which was probably a key development in our evolutionary history. So well do we collaborate, Sloman and Fernbach argue, that we can hardly tell where our own understanding ends and others’ begins.

Fascinating essay. Kolbert concludes, citing the three book titles:

“The Enigma of Reason,” “The Knowledge Illusion,” and “Denying to the Grave” were all written before the November election. And yet they anticipate Kellyanne Conway and the rise of “alternative facts.” These days, it can feel as if the entire country has been given over to a vast psychological experiment being run either by no one or by Steve Bannon. Rational agents would be able to think their way to a solution. But, on this matter, the literature is not reassuring.

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