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Unit 2

Origins of Intelligence

QuestionAnswer
Heritability Amount of variance in a trait that can be linked to genetics
Twin Studies IQ scores of twins reared apart are more similar than fraternal twins raised together
Group Differences Though there are differences among groups—they aren’t usually permanent
Group Differences Differences w/i groups are partly genetic—diff. b/t groups are not all genetic.
Environmental Influences Prenatal Care—Fetus at risk from: smoking, drugs, poor nutrition
Environmental Influences Nutrition—20 points difference in IQ of malnourished vs. healthy kids
Environmental Influences Toxins—lead = damage CNS = attention probs/low IQ/low school
Environmental Influences Stresses in the family—no dad at home, mom w/ mental illness, p’s w/ no work skills, divorce
Cognitive Ethology Belief that animals can plan, make choices, & work together in a group
Anthropomorphism Belief that human beings have nothing in common with animals
Created by: atercs
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