January 16, 2007 at 5:49 PM
Dear Richard:The intelligence quotient (IQ) is a measuring instrument for intellectual talent. The term was coined by the German psychologist and philosopher Wilhelm Stern (1871-1938) in 1912. The IQ is determined by the intelligence age (I A) in relation to the life age (L A) of the respective person. In standardized tests (IQ-tests), in which the general intelligence is tested, the I A is determined. The IQ can thus be calculated with the formula IQ = (I A/L A)*100. The analysis is done with the help of IQ scales which can, however, differ from each other. Thus the Americans for example use scales which admit IQ values of far more than 200. Thus the mean value of most scales is an IQ of 100. This value represents a normal talent. When indicating the respective IQ the used IQ scale which was used has to be indicated, too.
Here's the website:
http://www.einstein-website.de/z_information/variousthings.html
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