Henry has a serious episode of depression that is diagnosed as major depressive disorder. A year later he experiences an episode of mania. What is his diagnosis after this event?

Growing up, Eric was always favored over his sister by his parents. If this unequal treatment leads to differences in the children's personalities, it would be an example of a(n)

A) epigenetic influence. B) genetic influence. C) nonshared environmental factor. D) shared environmental factor.

A child who is unevenly gifted will

A) seem to be exceptional, but will be difficult to measure. B) excel in some areas, but not in others. C) perform much better than his or her siblings. D) perform exceptionally at certain times, but not at others.