With increasing age,identical twins' intelligence test scores become ________ positively correlated.With increasing age,adoptive siblings' scores become ________ positively correlated.
A) more;more
B) less;less
C) more;less
D) less;more

Question

Quizplus · Accepted Answer

With increasing age, identical twins' intelligence test scores become more positively correlated due to their shared genetics playing a more significant role over time. In contrast, adoptive siblings' scores become less positively correlated as their shared environment becomes less influential compared to their differing genetics.

With Increasing Age,identical Twins' Intelligence Test Scores Become ________ Positively