Final answer:
Psychiatrists have earned a Doctor of Medicine (MD) or Doctor of Osteopathic Medicine (DO) degree, while psychologists have a PhD or PsyD degree.
Step-by-step explanation:
The difference between psychologists and psychiatrists is that the latter have earned a Doctor of Medicine (MD) or Doctor of Osteopathic Medicine (DO) degree. Clinical psychologists, on the other hand, have a PhD or PsyD degree. Psychiatrists are medical doctors who specialize in mental health and can prescribe medications, while clinical psychologists focus on therapy and counseling.