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Types of Tests - 20/40 x 100 = 50 Now she would be...

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Types of Tests 1) Individual Tests a) Stanford-Binet: This made it possible to test adults & children 1. established the procedures to use in administering the test - takes 1 hour or more so it was not good for collecting data from groups very quickly. This was not good if you wanted to test military troops - So, Otis instead created an oral intelligence test (goes back to introduction). 2. established the norms for the test (e.g., how many an "X" year old got correct) But, there is still a problem here. This test still utilized the intelligence quotient developed by Stern - but mental age slows dramatically after childhood. So, someone could go from gifted as a young person, to mentally challenged as an older adult without actually getting "less intelligent". Example: a 15 year old female with a mental age of 20: 20/15 x 100 = 133, which would classify her as "gifted". Then, as an adult of age 40, let's say she retained the mental age of 20:
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Unformatted text preview: 20/40 x 100 = 50. Now she would be classified as mentally retarded, yet she may be successful doctor. This problem was overcome by the introduction of the DEVIATION IQ, by Wechsler. 2. Wechsler tests This scale compares a person's intelligence test scores with those of the mean scores of their age peers. Those who perform exactly the same as their age peers would receive the score of 100. a) developed many tests, three very important: WISC (W Int. Scale for Children), the WAIS (W. adult int. scale), and the WPPSI (W preschool and primary scale of intelligence; good for ages 4-6 1/2) b) attempted to bring in more behavioral measures rather than just verbal c) two subsections: verbal subtests, performance subtests - verbal: information, comprehension, arithmetic, digit span, similarities, and vocabulary -performance: picture arrangement, picture completion, block design, etc....
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