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Psychology II Exam Notes.docx

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PSYC 1002
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ndPsychologyIINotesIntelligenceIFeb2Week OneChapter Nine Intelligence and Psychological Testing Part OneKey Concepts in IQ and Psychological Testing Standardization the uniform procedures used in the administration and scoring of a test Test norms Standardization groupReliability Correlation effectValidity Content Criterionrelated and construct validityRace language genetics culture Test norms provide information about where a score on a psychological test ranks in relation to other scores on that test allows a psychologist to determine how a person scores relative to other people Standardization group is the sample of people that the norms are based on Reliability refers to a tests consistency that is repeated measurements should yield reasonably similar results Reliability Estimates are based on the correlation coefficient Two sets of scores from two administrations of the same test are correlates the closer the correlation comes to 100 the more reliable the test Validity refers to the ability of a test to measure what it was designed to measureContent Validity is the degree to which the content of a test is representative of the domain it is supposed to cover physics questions on a psychology testpoor content validity Criterionrelated validity is estimated by correlating subjects scores on a test with their scores on an independent criterionpredictive ability Constructive validity is the extent to which there is evidence that a test measures a particular hypothetical constructare we really measuring intelligence with an IQ testAPA defines smartUnderstand complex ideasAdapt effectively to environmentLearn from experienceEngage in various forms of reasoningOvercome obstaclesHistory of Intelligence TestingChina formal tests of knowledge 2200 BC for civil servant Music archery horsemanship arithmetic writing etcMeasure of simple sensory perceptual and motor processesSir Francis Galton devised the first intelligence tests sought to show that intelligence is inheritedAlfred Binet 18571911Investigated by crowded Paris schoolsFirst modern intelligence testscale to measure a childs mental ageCollected norms by testing nonretarded children 3 to 11 years oldMental Age MA individuals level of mental development relative to othersMentally retarded children like normal children of a younger ageThe French Ministry of Education asked Binet in 1904 to develop a method to determine which children would not benefit from regular educationWhat is a Norm Distribution of values on test Comparison against peers If normally distributed 68 of values within 1 standard deviation from mean95 of values within two standard deviations997 within 3 standard deviations Know as the 689599 ruleIQWilliam Stern 1912 or 1812 compared mental age with chronological ageintelligence quotient IQIQMental AgeChronological Age x 100ie 612 x 10075Intelligence Testing
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