When Investing, Consider Your ‘Confirmation Bias’
A recent study shows people are twice as likely to seek information that confirms their beliefs than they are to consider evidence that contradicts thems. WSJ Intelligent Investor columnist Jason Zweig tells Kelsey Hubbard how this “confirmation bias” can influence their financial decisions.


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November 16th, 2009 at 12:25 pm
See the book “Seeking Wisdom: Munger to Darwin” much more on this topic.
November 16th, 2009 at 12:30 pm
How does one fight the bias that about 2/3 of Wall Street are greedy pr##ks? :)
November 16th, 2009 at 9:54 pm
How is this any different from people who seek affirmation of their political, religious, (fill in the blank) beliefs? In my opinion, most people allow their beliefs (certainty of the unknowable) to supersede their knowledge of the facts.
Some people call this insanity.
November 18th, 2009 at 11:12 am
My bias is that I am an idiot. Hard to shake it.