31 Genetic and Environmental Influences on Intelligence

Question 1

Intelligence test scores are LEAST similar for

Answer 1

nontwin siblings reared together

Question 2

Males’ mental ability scores show greater ________ than females’ mental ability scores.

Answer 2

variabiltity

Question 3

When promised money for doing well on an intelligence test, adolescents in four dozen studies scored higher. This best illustrates that intelligence test performance is influenced by

Answer 3

motivation

Question 4

Boys are most likely to outperform girls in a

Answer 4

computerized video game competition

Question 5

Stereotype threat is most likely to depress female students’ performance on a difficult ________ test and to depress male students’ performance on a difficult ________ test.

Answer 5

math problem-solving; verbal fluency

Question 6

The intelligence scores of adopted children are LEAST likely to be positively correlated with the scores of their adoptive siblings during

Answer 6

adulthood

Question 7

The extent to which differences in intelligence among a group of people are attributable to genetic factors is known as the ______ of intelligence.

Answer 7

heritability

Question 8

Girls are likely to outperform boys in a

Answer 8

spelling bee

Question 9

Compared with North American students, Asian students perform

Answer 9

better on math aptitude and achievements tests and they spend more time studying.

Question 10

Women have been found to score lower on math tests when they are tested alongside men. This best illustrates the impact of

Answer 10

stereotype threat