The heritability index for major depressive disorder is approximately .37,meaning that:
A)genetic factors are 37% more important than environmental factors in determining depression.
B)parents with major depressive disorder have a 37% chance of having a child with major depressive disorder.
C)major depressive disorder is completely the result of genes for 37% of the population.
D)37% of the population variability in major depressive disorder can be attributed to genetics.

Question

Quizplus · Accepted Answer

The heritability index of .37 means that 37% of the variability in major depressive disorder can be attributed to genetics, while the remaining 63% is likely due to environmental factors. Therefore, choice D is the correct answer.

The Heritability Index for Major Depressive Disorder Is Approximately