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Dr. Marie-Josée

Marie-Josée Mercier is a clinical psychologist who adopts an eclectic approach and integrates empirically-based theoretical models, such as attachment and development theories, psychodynamic, neuroscience, cognitive, systemic, and humanistic theories. 


  • Member of l'Ordre des Psychologues du Québec (OPQ; since 1999)

  • Psycho-legal expertise, expert witness for the department of youth protection, superior court, and family court (over 800+ expertise)

  • Clinical psychologist with 20 years of experience

  • Experience in ethno-cultural evaluations and interventions

  • Differential diagnosis in mental health Axis I and II

  • Diagnostic interviews (semi-structured/narrative discourse)

  • Over 20 years of experience in the use of psychological tests including those recognized and most frequently used in North America (the Rorschach, the Thematic Apperception Test (TAT) and two Personality Inventories (The Minnesota-2 Multiphasic Personality Inventory and the Millon-III Multiaxial Inventory)

  • Clinical consultations for the department of youth protection (DYP)

  • Supervising doctoral psychology students and novice psychologists since 2006


  • Assessment of issues related to youth protection clients: neglect, sexual, physical abuse or other trauma, parental alienation, mental health problems and drug addiction

  • Assessment of risky behaviors in adolescence

  • Assessment of parenting skills

  • Assessment of attachment


  • PhD in Psychology from Université du Québec à Montréal (2019)

  • Master's in Psychology from Université du Québec à Montréal (1999)

  • BA in Psychology from Université du Québec à Trois-Rivières (1997)

  • BA in Criminology from Université de Montréal (1993)

Certifications and Trainings

  • Co-founder and expert witness of psycho-legal private practice (2011-2020)

  • Level 2 certification for the Therapeutic Assessment Institute (2016-2018) 

  • Congress of the Order of Psychologists of Quebec (2016, 2014, 2012)

  • Collaborative Therapeutic Assessment (2017, 2016, 2014)

  • Intervention of Psychologist with the Media (2015)

  • Personality Disorders Across the Lifespan (2015)

  • Trauma-Focused Cognitive Behavioural Therapy training (2013)

  • Psychodynamic Discourse Analysis: Rorschach and TAT (2012)

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