You are measuring the trait of friendliness in a set of 100 fraternal twins. You notice that for almost all of the twins, when one is high on this measure, the other twin may be high or low. We would say that the trait of friendliness has
A)high concordance
B)low concordance
C)high selection pressure
D)low selection pressure
E)high heritability

Question

Quizplus · Accepted Answer

Low concordance indicates that the presence of a trait in one twin does not strongly predict the presence of the same trait in the other twin, which matches the scenario described.

You Are Measuring the Trait of Friendliness in a Set