Saturday, November 14, 2009

Confirmation Bias: The Yes-Man Inside Your Head

What a great article in today's Wall Street Journal about the power of confirmation bias in our investment decisions. For more on confirmation bias, check out the classic study by Lord, Ross, L., and Lepper: "Biased Assimilation and Attitude Polarization: The effects of Prior Theories on Subsequently Considered Evidence," Journal of Personality and Social Psychology.

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