4 Types of Person (a guide to stupidity)

This article, unfortunately, falls in the top right quadrant.<p>The insights are fairly dull and overly simplistic. The conclusions are not all that useful.

A 2x2 matrix - must be a consultant.

"The fool doth think he is wise, but the wise man knows himself to be a fool." - William Shakespeare from "As You Like It"

Reminds me of the Dunning-Kruger effect:<p><a href="http://en.wikipedia.org/wiki/Dunning-Kruger_effect" rel="nofollow">http://en.wikipedia.org/wiki/Dunning-Kruger_effect</a><p>"Across four studies, the authors found that participants scoring in the bottom quartile on tests of humor, grammar, and logic grossly overestimated their test performance and ability. Although test scores put them in the 12th percentile, they estimated themselves to be in the 62nd."

You don't know anything (about a subject) until you know what you don't know.