"The inability to think and behave rationally despite adequate intelligence"
Ever bought a 12-foot Christmas tree for a 10-foot-high apartment? Picked up a hitchhiker in a nasty part of town? Or, perhaps, taken out a mortgage you couldn't afford? The good news is that poor decision-making skills may have little effect on your IQ score, according to Keith E. Stanovich, author of What Intelligence Tests Miss: The Psychology of Rational Thought (Yale University Press). The bad news? He thinks you'd lose a few points on a more-accurate gauge of intelligence.