ch 9 notes - Ch 9 Types of Intelligence Intelligence...

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Ch. 9: Types of Intelligence
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Intelligence solving problems “well,” AND Understand and learn complex material, BOTH within a reasonable amount of time. IQ and response times (RT) are consistently (but weakly) correlated Third variable problem: Ease of processing Speed Accuracy
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Relationship between working memory and intelligence Focused attention Prioritizing Strategizing Speed or capacity of articulatory loop? Central Executive Visuospatial sketchpad Articulatory Loop
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Theories of Intelligence Unitary views Posit an overall or general intellectual capacity Multiple intelligences views Posit independent abilities Psychometrics Assess relatedness of different measures
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Examine the correlation between different abilities:
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Spearman’s g (“general”) factor Positive correlations btw. different types of mental tests Factor analysis
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Verbal Numer- Visual Recog- ical nition General information .80 .10 -.01 -.06 Paragraph comprehension .81 -.10 .02 .09 Sentence completion .87 .04 .01 -.10 Word classification .55 .12 .23 -.08 Word meaning .87 -.11 -.01 .07 Visual perception -.08 .03 .77 -.04 Cubes -.07 -.02 .59 -.08 Paper form board -.02 -.19 .68 -.02 Flags .07 -.06 .66 -.12 Deduction .25 -.11 .40 .20 Numerical puzzles -.03 .35 .37 .06 Problem reasoning .24 -.07 .36 .21 Series completion .21 .05 .49 .06 Example of factor analysis of intelligence measures: Source: http://www.psych.cornell.edu/Darlington/factor.htm
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“g” versus specific factors (“s”) variations within related abilities “g” accounts for differences across people; “s” accounts for differences within people.
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See figure 9.2: Carroll’s Three-Stratum Theory General Intelligence Broad Abilities Specific Abilities May be fluid vs. crystallized May be verbal, quantitative and spatial
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The IQ test Early approach (Binet and Simon) IQ = (mental age / chronological age) *100 Mental age is based on the problems that most kids that age can solve
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