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FAQ IQ |
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What is the IQ of the average person? |
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The average IQ score for the
normal person is supposed to be 100 (the mean) with a standard deviation
of 15 (which means you can add or subtract 15 from 100). Different
IQ tests give you different scores, so defining someone strictly by
score is not the best idea. (normal iq) |
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How high does your IQ have
to be to be considered a genius? |
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It varies. An IQ score
of 140+ or 145+ is the minimum to be considered a genius. |
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Who held the highest IQ in history? |
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Who had
the highest IQ in history is up for debate. Some people believe
that Marilyn vos Savant (228) had the highest IQ in history.
Others believe it to be William James Sidis whose was roughly estimated
at (250-300).
NOTE: When evaluating who had or has the higher IQ, take into
account that the early IQ tests differed greatly from the IQ tests of
today. So you won't really get an accurate picture of IQ simply by
looking at a number. Also, many of the early "geniuses"
never took an actual IQ test. Many of the IQ's noted in biographies
may be estimates of the person's IQ. |
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What are the names of some
of the main IQ Tests? |
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Click
here to see the IQ Test List
Stanford-Binet
Wechsler Intelligence Scale for Children (WISC)
Wechsler Adult Intelligence Scale®—Third
Edition (WAIS®–III)
Wechsler Preschool and Primary
Scale of Intelligence™—Third Edition (WPPSI™–III)
Kaufman Assessment Battery for Children (Kaufman-ABC) |
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How high was Albert Einstein's IQ? |
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It is estimated to be between
160 and 200. |
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What does IQ stand for? |
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Intelligence Quotient |
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Can you convert my GRE or SAT scores
into an IQ score? |
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There is a great site called IQ
Comparison Site that provides you with a scale that converts your SAT and
GRE scores into an estimated IQ score. The site also
includes gender iq differences, occupational iqs, national and
international iqs and geniuses. Check the site out at
www.iqcomparisonsite.com |
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What do the test scores mean? |
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Every scale varies depending on the
test and who determined the scale. You will see on the history of IQ
page that there is a different scale. Here is an estimate of what an
IQ score may mean. However, keep in mind that a professional really
needs to interpret your score and many other factors need to be explained
other than just an end result number. |
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IQ Scale |
| IQ Score |
Cognitive Level |
| 160 - 175 |
Extraordinary genius |
| 145 - 159 |
Genius (Less than 1% of test takers) |
| 130 - 144 |
Gifted (2.3% of test takers) |
| 115 - 129 |
Above average |
| 85 - 114 |
Average (68% of test takers) |
| 70 - 84 |
Below average (Borderline) |
| 55 - 69 |
Challenged (2.3% of test takers) |
| 40 - 54 |
Severely challenged (Less than 1% of test
takers) |
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