The heritability coefficient for intelligence is.50. This means that
A)50 percent of the variation in the intelligence of an individual is related to genetic factors
B)50 percent of the variation of intelligence between groups of people is related to genetic factors
C)50 percent of the variation of intelligence within a group of people is related to genetic factors
D)50 percent of the variation of intelligence in a group of people is related to environmental factors

Question

Quizplus · Accepted Answer

The heritability coefficient for intelligence (or any trait) being .50 suggests that 50 percent of the variation in intelligence within a group of people can be attributed to genetic factors. This coefficient does not directly address the variation between groups or the proportion of an individual's intelligence that is due to genetics.

The Heritability Coefficient for Intelligence Is