The Intelligence quotient or IQ is a number describing the intelligence of people in comparison to the rest of the population. The original definition of IQ when measuring the intelligence of children was: IQ is a ratio of the mental age to the physical age multiplied by 100. The mental age was calculated on the basis of the average results in a test in the respective age category.
They determine the level of the ability to find the superior concept for presented series of concepts: "cat, lion, dog = animal", identify the concept not pertaining to a group: "rabbit, monkey, bird, car" find regularities in series of numbers: "11,12,14,17,21", solving of mathematical word tasks, etc.
These tests are designed to measure the ability to form cubes, organize pictures by certain time and a logical sequence, build shapes from various parts, etc. Some of these tests are often aimed to explore your abstract, complex or detail thinking.
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A person's Intelligence Quotient (IQ) is arguably one of their most important characteristics. It is believed that you can predict a person's behavior more accurately from their IQ than from any other single piece of information about them.
A typical way of determining the relative intelligence of different people, is to give them an IQ test and compare the scores..Forbes
Boys at the top of the food chain — either by birth or because their older siblings died — score higher on IQ tests than their younger brothers..USA Today