04-15 Intelligence-Personality

04-15 Intelligence-Personality - Intelligence Intelligence...

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1 Intelligence Intelligence • Issues in Mental Testing • Intelligence Testing Reliability & Validity of Intelligence Tests • Approaches to Intelligence Reliability & Validity in Intelligence Testing Reliability –IQ tests are exceptional reliable • Reliability coefficients in the 0.9’s –Issues of motivation and anxiety
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2 Reliability & Validity in Intelligence Testing Validity – IQ scores are valid indicators of academic/verbal intelligence, not intelligence in a truly general sense Correlations : – .40s-.50s with school success – .60s-.80s with number of years in school Intelligence • Issues in Mental Testing • Intelligence Testing Reliability & Validity of Intelligence Tests • Approaches to Intelligence Approaches to Intelligence Psychometric Approach – statistical techniques are used to define intellectual skills and abilities Cognitive Approach – The information-processing approach – Examine mental processes involved in intelligence Multiple Intelligences – notion that intelligence is a function of multiple systems
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3 Approaches: Psychometrics • One statistical approach in psychometrics is that of factor analysis Factor Analysis – Statistical approach – Looks for items that correlate together (are a common factor) – Factors are named based on how the correlations pan out – E.g., if all items of a numerical nature correlate highly with each other (but not with verbal items), then one might say these items represent a “math” factor, while all items of a verbal nature may correlate highly to yield a “language” factor. Spearman (1904)
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This note was uploaded on 02/05/2011 for the course PSYCH 1101 taught by Professor Tomhutcheon during the Spring '10 term at Georgia Tech.

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04-15 Intelligence-Personality - Intelligence Intelligence...

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