how many years does it take to be a psychologist
1 Clinical Psychologist: Doctorate Degree in Psychology (4 to 7 years of graduate school). 2  Industrial-Organizational Psychologist: Masterâs Degree (2 to 3 years of graduate school). 3  Forensic Psychologist: Masterâs Degree (2 to 3 years of graduate school); a doctoral degree is recommended.