Graduate programs are competitive. Certain universities require applicants to have an undergraduate degree in psychology. Other programs may accept undergraduate degrees in statistics, social sciences, biology, or mathematics as long as you have some course work completed in psychology.
Those who want to become a psychologist must get a doctoral degree, which takes roughly five years to achieve. Graduate students earning a PhD take courses in research design, quantitative experimental methods, and computer-based analysis. In addition, those going to the research fields must complete a dissertation