Those who believe that intelligence is primarily due to genetics would have the most difficulty explaining why ____.
A) identical twins have more similar IQ scores than fraternal twins
B) European Americans have higher average IQs than most African Americans
C) individuals in the same family tend to have similar IQs
D) African American children placed in affluent European American families have above average IQs

Question

Quizplus · Accepted Answer

The belief that intelligence is primarily due to genetics would struggle to explain why African American children placed in affluent European American families have above average IQs, as this suggests environmental factors play a significant role in determining intelligence.

Those Who Believe That Intelligence Is Primarily Due to Genetics