Arnold and Ernie are brothers, ages 12 and 10, respectively, who share many common interests. As they increase in age, their intelligence test scores will become:

Question

Quizplus · Accepted Answer

Research shows that genetic effects become more pronounced with increasing age. Therefore, as Arnold and Ernie age, their intelligence test scores will become more similar to one another than their current scores.

Arnold and Ernie Are Brothers, Ages 12 and 10, Respectively