John Wilkes Booth was the son of prominent, wealthy actors. He, too, became an actor and was so popular, he was one of the first to have his clothes ripped off by fans. Hulton Archive/Getty hide caption
Psychology is the systematic investigation of the human mind, including behavior and cognition. It thus encompasses both normal and abnormal behavior. On the other hand, psychiatry is a branch of medicine dealing with mental illness.
A psychological assessment can include numerous components such as norm-referenced psychological tests, informal tests and surveys, interview information, school or medical records, medical evaluation and observational data. A psychologist determines what information to use based on the specific questions being asked. psychological assessment can include numerous components such as norm-referenced psychological tests, informal tests and surveys, interview information, school or medical records, medical evaluation and observational data. A psychologist determines what information to use based on the specific questions being asked.