You Are Not So Smart

We don’t always know what we think we know. Confirmation bias (your brain’s tendency to cue into, or seek out, information that confirms opinions you already have), the Dunning-Kruger effect (your overestimation of your competence), subjective validation (your tendency to believe vague, positive predictions) – each of these unlocks some quirk of the human mind, some way in which we misperceive the world.

In his entertaining new book, You Are Not So Smart: Why You Have Too Many Friends on Facebook, Why Your Memory Is Mostly Fiction, and 46 Other Ways You’re Deluding Yourself (Gotham, 2011), journalist David McRaney has collected such well-established theories – many of them culled from his blog of the same.

Read the rest here.

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