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Published byAmie Horn Modified over 9 years ago
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ASSESSING INTELLIGENCE PETER LEE AND SEJIN PAIK
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How Do We Measure Intelligence? WAIS (Wechsler Adult Intelligence Scale) - widely used intelligence test that contains two parts Provides clues to cognitive strengths that teachers or employers use to evaluate people
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1st Part: Verbal General Information Similarities Arithmetic Reasoning Vocabulary Comprehension Digit Span
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2nd Part:Performance Picture Completion Picture Arrangement Block Design Object Assembly
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EXTREMES OF INTELLIGENCE (watch video)
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Mental Retardation Condition of limited mental ability Intelligence score is lower than 70 Difficulty in adapting to the demands of life varies from mild to profound
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Down Syndrome A physical disorder that causes mental retardation An extra chromosome in one’s genetic makeup
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Principles of Test Construction
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Psychological Tests Aptitude Tests Aptitude = natural ability to do something Achievement Tests Achievement = something that you’ve already done
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3 Factors Standardization Reliability --> Validity
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Standardization Give a test to a group of people Test other people group and use a scoring system to compare the scores Most standardized tests have normal distribution shown by a normal curve Ex: SAT / ACT
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Reliability Reliable - consistently good in quality/performance (macbook dictionary) Want the test to be reliable If people take same / similar form of test again, scores should be same / similar
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Validity Does the test test what really it’s supposed to test? How do you know if a test is valid? Content validity - test tests behavior similar to what’s being tested Ex: In a Driving test, they ask you to drive Criterion - test is trying to determine something Predictive Validity - test tries to predict the future Ex: SATs and APs are taken mainly to predict how you might do in college academically = ??????
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Citations http://upload.wikimedia.org/wikipedia/en/c/c2/Actgraph.jp g http://z.about.com/d/collegeapps/1/G/P/-/-/- /sat_geeknerd99_flickr.jpg http://z.about.com/d/collegeapps/1/G/P/-/-/- /sat_geeknerd99_flickr.jpg http://www.mlmabsolute.com/images/choosing-thoughts- to-create-success.jpg http://www.mlmabsolute.com/images/choosing-thoughts- to-create-success.jpg
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