There are a large number of tests to measure IQ, including especially popular in Western and English-speaking countries enjoys the Wechsler test. It was developed in 1939 by American psychologist and psychiatrist David Wexler, who also formed the concept of a hierarchical model of intelligence. This test is designed not only for the overall assessment of intelligence, but also for a more detailed analysis of its verbal and nonverbal components. Wechsler test has several variations in the range of 10-60 years old: for preschoolers (WAIS), children and young people of school age (WISC) and adults (WPPSI). Thus, for children age has its own Wechsler test IQ. Free for students available Wechsler scale, established in 1967. The only problem that you might encounter if you want to pass this test - is the difficulty of adapting it for people from non-English-speaking countries because of the intricacies of the research. This requires a very high qualification psihodiagnosta. That is why the Wechsler test is not widely used in the CIS countries, although it has several adaptations of authorship Filimonenko Yu, A. Panasjuka et al.
The test itself consists of 11-techniques subtests, which are formed from two test groups - verbal and non-verbal scale (6 and 5 subtest, respectively). Verbal scale aims to determine the general level of erudition, vocabulary, basic knowledge, ability to arithmetic, the ability to reproduce the digital series and find similar items. In turn, the non-verbal test reveals the skills to work with encrypted data, the ability to find the image elements, which is not enough to put them in sequence, to perform addition of figures. Complexity of the issues in each test is increased gradually, and for each subtest person receives a certain number of points. Issues in the subtests can be from 10 to 30 points obtained for the test are then translated in accordance with the unified scale, and the final result is formed not only on an assessment of the overall level of IQ, but also from private assessments of verbal and nonverbal components. When this is taken into account that, as a person to perform each of these tasks to him. Such an assessment allows to draw attention to the best and worst part of the developed intellect, possible neuro-psychiatric disorders are defined by the way in which subtest was obtained by the least points. Maximum score for the test - 130 points or more, the minimum starting at 69 and below. Try to check your level of IQ. Test free will, to some groups with regard to the indicator you are.