You are listening to old musical tunes, including "My Melancholy Baby.". Your friends are impressed when you tell them that "melancholic," referring to a depressive personality, derives from a Greek word meaning

a. blood

Testing a hypothesis is the fourth step in a scientific investigation. This step is derived from which goal of psychology?

a. describing b. explaining c. predicting d. controlling

Xaviar was caught vandalizing a local cemetery. He also gets into fights at school. It is likely that

A) his problems are the result of a difficult transition into adolescence. B) he also had conduct problems as a child. C) he will go on to become a career criminal as an adult. D) he suffers from a hormonal imbalance.