United States

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Introduction - United States:

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United States

Background

Britains American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the original 13 as the nation expanded across the North American continent and acquired a number of overseas possessions. The two most traumatic experiences in the nations history were the Civil War (1861-65) and the Great Depression of the 1930s. Buoyed by victories in World Wars I and II and the end of the Cold War in 1991, the US remains the worlds most powerful nation state. The economy is marked by steady growth, low unemployment and inflation, and rapid advances in technology.

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This page was last updated on 16 September, 2007
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Free IQ test online

An Intelligence Quotient or IQ is a score derived from one of several different standardized tests attempting to measure intelligence. 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. 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. It is disputed whether these changes in scores reflect real changes in intellectual abilities, or merely methodological problems with past or present testing. (Wikipedie)

IQ test lasts approximately 30 minutes and contains 40 questions !

In the IQ test you must focus on the maximum. Test questions are simple. In the IQ test may not use the calculator and paper.

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Photo: United States
United States



Photo: United States
United States



Photo: United States
United States



Photo: United States
United States



Photo: United States
United States



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