In a large and diverse population, about 50 percent of the variability in intelligence scores can be accounted for by genetic factors.

Question

Quizplus · Accepted Answer

Studies on twin and adoption have shown that genetic factors play a large role in determining intelligence scores. However, it is important to note that environmental factors also contribute significantly to intelligence. Therefore, the exact percentage of variability in intelligence scores accounted for by genetic factors may vary depending on the specific population being studied.

In a Large and Diverse Population, About 50 Percent of the Variability