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Updated: May 8, 2026

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
Published on: July 4, 2013
Self-protective strategies, violence and psychopathy: theory and a case study
Peder Chr Bryhn Nørbech1, Patricia M Crittenden, Ellen Hartmann
1a Department of Psychology , University of Oslo , Norway.
Abstract:
Although it has been proposed that attachment is a key factor in psychopathy and violence, conceptualization of its potential role remains limited. This article uses the dynamic-maturational model of attachment and adaptation (DMM; Crittenden, 2008 ) and a case study to illustrate an etiological model of psychopathy and violence. The Adult Attachment Interview (AAI; George, Kaplan, & Main, 1984 -1996), coded according to the DMM system (Crittenden & Landini, 2011 ), was used to identify the participant's self-protective attachment strategies, and to explore indexes indicating opportunities for change. To allow a more elaborated understanding of this participant's personality, AAI findings were compared and contrasted with the Rorschach method (Rorschach, 1921 /1942). The AAI indicated unresolved loss and trauma, alternation between delusionally idealizing dismissive (Type A) and menacing-paranoid entangled (Type C) strategies, possible depression, and the potential for reorganization. The Rorschach showed many similarities with the AAI findings. Implications for the understanding of psychopathy, violence, and treatment are presented.
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