PSYC-3060 Lecture Notes - Lecture 21: Standard Deviation, Flynn Effect, Lower Middle Class
30 Aug 2018
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Reliability-consistency (measuring something with same ruler each day and getting same measurement) Validity- doesn"t measure what it"s supposed to. Iq tests tests school performance first intelligence test was in france. Wais-normal distribution (dont need to know meaning: measurement of standard deviation, 2)normal distribution-wais^, about 70% standard deviation is 85-115. Predicts who is in a high status job. Not valid for other measurements because not as broad less predictive of income as it was once thought to be. Observed lower middle class whites vs upper and: 3) stereotype threat-occurs when people have anxiety when they are in school because believe will will attribute their failure to the stereotype (girls vs boysblack vs white) Irrelevant info- what to use and what not to use (lookup definition: functional fixedness-tendency to perceive an item only in its most common use, mental set-when people persist in using problem solving strategies that worked in the past.
