David D. Vachon

David D. Vachon is an Associate Professor in the Department of Psychology at McGill University. His research focuses on individual differences in deviance across the lifespan, emphasizing the role of personality in externalizing disorders and the absence of internal controls like empathy and constraint. He explores clinical psychology, social/personality dynamics, and developmental science.

Research Interests: His work spans

• Personality etiology of psychopathy, antisocial personality disorder, and narcissism
• Deviant behaviors (substance use, aggression, crime) as natural outcomes without internal controls
• Developmental psychopathology and its intersection with race/criminal status

Publications: His articles analyze empathy-aggression relationships, psychopathy prevalence, and DSM-5 critiques, reflecting themes of behavioral prediction and forensic psychology.

Advising & Grants: No formal advisees or grant details listed. His work is supported by collaborative research networks in clinical and developmental psychology.