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psy Intelligence - Intelligence I What is intelligence a...

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Intelligence I. What is intelligence a. Approaches i. Psychometric 1. Measure the mind 2. Psychological testing 3. Factor analysis a. Looking at correlations among variables i. The variables are the items on the test ii. All items are correlated 1. If a group of items are for a specific part of intelligence, they should be related 2. Seeing how all the items relate to each other iii. Sometimes there are tests for multiple intelligences 1. i.e. SAT a. math, reading and writing b. 3 scores 4. Hierarchical models a. One factor influencing other factors ii. Cognitive 1. Info processing abilities iii. Different theoretical perspectives 1. Unified a. Intelligence is a single entity b. One intelligence with different subsets c. Sir Francis Galton (1822-1911)
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i. First person to make a systematic measure of the mind ii. Genetic origin iii. Mental speed 1. Reaction times (unreliable due to daily changes) 2. Processing speed 3. Sensory discrimination iv. Eugenics 1. Propagating good genes 2. One method is to sterilize people with inferior genes 3. Biological selection d. Charles Spearman – 2 factors i. G-factor 1.
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