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.
The Difference Between a Psychologist and a Psychiatrist. While a psychologist and a psychiatrist are similar careers the job description, education and training are very different.For example, a psychologist typically completes a master's or doctoral degree, while a psychiatrist is a medical doctor.Additionally, a psychiatrist must be licensed to work in this profession, while the credentialing for a psychologist depends on the career.he Difference Between a Psychologist and a Psychiatrist. While a psychologist and a psychiatrist are similar careers the job description, education and training are very different.