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Chapter 10 - Intelligence
Transcript of Chapter 10 - Intelligence
Test Score: 85 Average Score for
Same Age Group: 75 x 100 = IQ 113 Individual
Mental Age: 27 Individual Physical
Age: 20 x 100 = IQ 135 Computed
groups children adults no yes Are there different types of it? A statistical technique that explains a large number of correlations in terms of a small number of underlying factors Two-factor theory Spearman's theory suggesting that every task requires a combination of two factors:
General ability (g)
Skills that are specific to the task (s) Middle-Level Abilities Fluid Intelligence The ability to see abstract relationships and draw logical inferences Crystallized Intelligence ? The ability to retain and use knowledge that was acquired through experience How many degrees in a right angle?
What is the largest land mammal? (Processing) (Information) these are Has an
Ability drawing by a 5-year old Normal Intelligence Low Intelligence Prodigy Savant Emotional Intelligence The ability to reason about emotions and to use emotions to enhance reasoning Where does it come from? A statistic that describes the proportion of the differences between people's scores that can be explained by differences in their genes Fraternal
(dizygotic) twins Twins who develop from two different eggs that were fertilized by two different sperm Identical
(monozygotic) twins Twins who develop from the splitting of a single egg that was fertilized by a single sperm genes shared 50% 100% shared environment Those environmental factors that are experienced by all relevant members of a household nonshared environment Those environmental factors that are not experienced by all relevant members of a household Environment + = Intelligence Examples: Socioeconomic status (SES) & Education Can it be improved? Are there group differences? the experience of anxiety or concern in a situation where a person has the potential to confirm a negative stereotype about their social group caused by yes yes no testing
situations less healthful
stimulating environments genetic differences b/n groups yes can cause Fido, afraid of confirming a stereotype that dogs can't do algebra, became very nervous on his algebra test which then caused him to actually do poorly. Can it be Improved? by yes yes pharmaceuticals
(temporarily) genetic manipulation
(so far, only tried in animals) yes