Research Shows That the Smarter People Are, the More Susceptible They Are to Cognitive Bias : The New Yorker

Smart people make stupid mistakes.

intelligence seems to make things worse. The scientists gave the students four measures of “cognitive sophistication.” As they report in the paper, all four of the measures showed positive correlations, “indicating that more cognitively sophisticated participants showed larger bias blind spots.” This trend held for many of the specific biases, indicating that smarter people (at least as measured by S.A.T. scores) and those more likely to engage in deliberation were slightly more vulnerable to common mental mistakes

Thinking is hard, let's go shopping.