Module 35 - Genetic and Environmental Influences on Intelligence

Question 1

Twins and Adoption Study (Nature-Nurture and Intelligence)

Answer 1

Identical twins raised apart more similar than fraternal twins reared together

Question 2

Heritability and Intelligence

Answer 2

• Heritability for intelligence is said to be 0.5 (high)

- Greatly affected by variability in environments

Question 3

Impoverished Environments

Answer 3

• Importance of environment is shown through extreme cases

- Neglected or abused children improve when placed in new home

Question 4

Environmental Effects

Answer 4

• In normal range, environmental effects may not be as evident
• Difficult to make a child in normal environment environmental experiences

Question 5

Gene-Environment Environments

Answer 5

• Genes interact with environment

- Slight differences in genetics can result in difference environmental/experiences

Question 6

Ethnic Differences

Answer 6

Racial groups differ in test scores (10-15 points)

Question 7

Stereotypes Threat

Answer 7

Expects you will be graded according to negative stereotype