Which of these opposes the idea that all of intelligence depends on a single underlying ability?
A)Executive functioning correlates highly with many other intellectual skills.
B)Certain types of brain damage impair one ability while sparing others.
C)Many nonhuman animal species show good problem-solving skills, if properly tested.
D)Monozygotic twins resemble each other in IQ scores more than dizygotic twins do.

Question

Which of these opposes the idea that all of intelligence depends on a single underlying ability?​
A)Executive functioning correlates highly with many other intellectual skills.
B)​Certain types of brain damage impair one ability while sparing others.
C)​Many nonhuman animal species show good problem-solving skills, if properly tested.
D)​Monozygotic twins resemble each other in IQ scores more than dizygotic twins do.

Quizplus · Accepted Answer

The fact that certain types of brain damage impair one ability while sparing others suggests that there are separate abilities that contribute to overall intelligence. This contradicts the idea that all of intelligence depends on a single underlying ability.

Which of These Opposes the Idea That All of Intelligence