________ intervention is the most effective treatment for encopresis, with improvement rates ranging from 65% to 78%.

If there is an important genetic influence on a given trait, then the correlation for ______________ should be significantly higher than the correlation for ______________

A) MZ twins; DZ twins B) DZ twins; nontwin siblings C) mother-child; father-child D) nontwin siblings; MZ twins

When a person is sad and depressed, he or she has a tendency to remember more sad memories, which illustrates learning

Fill in the blank with correct word