The consensus among most researchers is that the heritability of intelligence is
A) close to 100 percent.
B) approximately 80 percent.
C) around 60 percent.
D) less than 40 percent.

Question

Quizplus · Accepted Answer

The heritability of intelligence is thought to be around 60 percent. This means that 60 percent of the differences in intelligence among individuals can be attributed to genetics, while the remaining 40 percent comes from environmental factors such as upbringing, education, and life experiences. While some studies have suggested a higher heritability rate, most researchers agree that it is likely closer to 60 percent.

The Consensus Among Most Researchers Is That the Heritability of Intelligence