Psych Study Guide Chapter 9

Psych Study Guide Chapter 9 - Psych Study Guide Chapter 9:...

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Psych Study Guide Chapter 9: Intelligence Criteria for good psychological tests Standardization: The practice of keeping the testing, scoring, and interpretation procedures consistent across all administrations of a test. 1. Well-standardized tests are administered the same way to every test taker, every time. *Norms: Reliability: Reliable tests produce similar results with repeated administration to the same person. - Inter-rater reliability: Getting the same result no matter who gives the test - Test-retest reliability: Getting the same result when the person is retested later. Validity: How well a test measures what it is supposed to measure - Content validity: Does it sample broadly from the domain of interest? - Predictive validity: Does it predict a future outcome, such as job or school success? The history of intelligence testing Galton - First attempt to develop an intelligence test carried out by Galton (1880’s) - Motivated by Darwin and eugenics - Conducted batteries of sensory, physical, intellectual tests - Scores were poor predictors of real-world performance Binet - Along with fellow French psychologist Simon in 1904, Binet invented the IQ (Intelligence Quotient) - Purpose of the IQ: To identify students with special educational needs - Believed we should measure a child’s mental age - Binet and Simon developed a test that measured memory, vocabulary, and perceptual discrimination.
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- Mental age was divided by chronological age and multiplied by 100 to get an IQ score.
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This note was uploaded on 05/01/2009 for the course PSYC 101 taught by Professor Hiland during the Spring '09 term at Lehigh University .

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Psych Study Guide Chapter 9 - Psych Study Guide Chapter 9:...

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