Cato Grønnerød

Cato Grønnerød is an Associate Professor at the Department of Health, Developmental, and Personality Psychology at the University of Oslo. His research focuses on personality assessment, dark traits (e.g., psychopathy), forensic psychology, psychedelics, and clinical methodologies. He is affiliated with the Personality Assessment Lab and Psychedelics research group.

• Expertise: Rorschach Inkblot Method, Wartegg Drawing Completion Test, HoNOS assessment
• External roles: Deputy Leader of the Board of Testing (Norwegian Psychologists Association), Leader of the Norwegian Rorschach Society

Research Interests

His work bridges clinical, forensic, and personality psychology with methodological rigor. Key areas include:

• Dark personality traits and their psychometric evaluation
• Psychedelic substance use and mental health outcomes
• Forensic assessment and expert witness practices
• Meta-analytic approaches to clinical validity

Article Trends

Recent publications emphasize psychedelic epidemiology, forensic evaluation methodologies, and cross-cultural validation of assessment tools. Over 100 peer-reviewed articles across psychology, psychiatry, and legal journals.