![]() ![]() It is disputed whether these changes in scores reflect real changes in intellectual abilities, or merely methodological problems with past or present testing. The average IQ scores for many populations have been rising at an average rate of three points per decade since the early 20th century with most of the increase in the lower half of the IQ range: a phenomenon called the Flynn effect. Although the term "IQ" is still in common use, the scoring of modern IQ tests such as the Wechsler Adult Intelligence Scale is now based on a projection of the subject's measured rank on the Gaussian bell curve with a center value (average IQ) of 100, and a standard deviation of 15, although different tests may have different standard deviations. Population of Vilena:ĭistance from city Vilena - Vile?a to 25 biggest cities of country: Distance (Km)ĭistance from city: Vilena - Vile?a to Top 10 cities of the world Distance (Km)įree IQ test online An Intelligence Quotient or IQ is a score derived from one of several different standardized tests attempting to measure intelligence. ![]() Navigate Map of Whole world: By clicking and dragging on the World map or use the pan and zoom controls. ![]()
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