Philosophical Multicore

Sometimes controversial, sometimes fallacious, sometimes thought-provoking, and always fun.

IQ: Intelligence Quotient

Posted by Michael Dickens on May 26, 2007

IQ is the intellectual capacity of a person. The average IQ is 100, and the standard deviation is usually 15. This means that if you have an IQ of 115, you are smarter than the average person, and you are smarter than 90% of people. If you have an IQ of 130, you are gifted, and are smarter than 99% of people. If your IQ is 145, you are very gifted, and smarter than 99.9% of people.

At least, that’s the theory.

Just how reliable is an IQ test? Supposedly you take the test and it determines how smart you are. But what does it really do?


2 Responses to “IQ: Intelligence Quotient”

  1. Linda said

    Oh, now that IS a good question, and there’s a lot of disagreement about how good any of the IQ tests are. They can be biased because they have questions that are based on particular cultural assumptions, but if you didn’t happen to be raised in that culture, then you might not do as well on the test even though you might be very “smart.”

    What does a number really mean, anyway. . . .it’s probably more important to think about how one is going to APPLY intelligence than measure it. I’d know I’d rather use my smarts than measure them.

  2. Mr anonymous said

    IQ130 with SD15 gives a percentile of 98, not 99.

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