Friday, June 17, 2011

The argumentative theory of reasoning

The Argumentative Theory of Reasoning

 

"Reasoning was not designed to pursue the truth. Reasoning was designed by evolution to help us win arguments. That's why they call it The Argumentative Theory of Reasoning. So, as they put it, "The evidence reviewed here shows not only that reasoning falls quite short of reliably delivering rational beliefs and rational decisions. It may even be, in a variety of cases, detrimental to rationality. Reasoning can lead to poor outcomes, not because humans are bad at it, but because they systematically strive for arguments that justify their beliefs or their actions. This explains the confirmation bias, motivated reasoning, and reason-based choice, among other things."

 

… A lot of people in psychology were accumulating evidence that the mind, and reasoning in particular, doesn't work so well. Reasoning produces a lot of mistakes. We are not very good in statistics, and we can't understand very basic logical problems. We do all these irrational things, and despite mounting results, people are not really changing their basic assumption. They are not challenging the basic idea that reasoning is for individual purposes. The premise is that reasoning should help us make better decisions, get at better beliefs. And if you start from this premise, then it follows that reasoning should help us deal with logical problems and it should help us understand statistics. But reasoning doesn't do all these things, or it does all these things very, very poorly.

 

And the beauty of this theory is that not only is it more evolutionarily plausible, but it also accounts for a wide range of data in psychology. Maybe the most salient of phenomena that the argumentative theory explains is the confirmation bias.

 

http://edge.org/print/conversation.php?cid=the-argumentative-theory

 

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