Tuesday, January 19, 2010

IQ Really Doesn't Measure Intelligence


How can someone with a high IQ have "apparent" intellectual deficiencies? Put another way, how can a "smart" person act foolishly? IQ tests fall down when it comes to measuring those abilities crucial to making good judgements in real-life situations. That's because they are unable to assess things such as a person's ability to critically weigh up information, or whether an individual can override the intuitive cognitive biases that can lead us astray.

IQ tests are very good at measuring certain mental faculties including logic, abstract reasoning, learning ability and working-memory capacity - how much information you can hold in mind. But the tests fall down when it comes to measuring those abilities crucial to making good judgements in real-life situations. That's because they are unable to assess things such as a person's ability to critically weigh up information, or whether an individual can override the intuitive cognitive biases that can lead us astray. IQ tests measure an important domain of cognitive functioning and they are moderately good at predicting academic and work success. But they are incomplete. They fall short of the full panoply of skills that would come under the rubric of 'good thinking'.

The problem with IQ tests is that while they are effective at assessing our deliberative skills, which involve reason and the use of working memory, they are unable to assess our inclination to use them when the situation demands. Some people who are intellectually able do not bother to engage very much in analytical thinking and are inclined to rely on their intuitions. Other people will check out their gut feeling and reason it through and make sure they have a justification for what they're doing.

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Source: http://www.newscientist.com/article/mg20427321.000-clever-fools-why-a-high-iq-doesnt-mean-youre-smart.html?full=true

1 comments:

  1. Good informative blog. The post seems to be very much interesting to know about the IQ intelligence. Thanks for such the info.


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