Mental retardation- notes

Mental retardation- notes - …that’s why average is 100...

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Mental retardation Intelligence is a characteristic that is averagely distributed in the population in terms of genetics. Points where it changes direction is called inflection points on the intelligence bell curve. Mean is 100 standard deviation is 15 pts. Alfred benet: created an intelligence test that would calculate your mental age. Made a crucial assumption that for the perfectly average person, that persons mental age will develop at exactly the same rate as their chronological age (Mental age/chronological age) times 100
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Unformatted text preview: …that’s why average is 100. 4 levels of retardation MR LEVEL Mild: 50-55 to 70 (the 50-55 is the standard error of testament), error in the instrament itself Moderate: 35-40 to 50-55 these individuals are going to be able to learn but its going to take them longer Severe: 20-25 to 35-40 trainable mentally handicap (can learn self help skills) profound: below 20-25 there can be cultural biases in test so its more important on how we use tests than how we interpret them....
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