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- Publications
- Influence
In cold blood: characteristics of criminal homicides as a function of psychopathy.
- M. Woodworth, S. Porter
- Medicine
- Journal of abnormal psychology
- 2002
This study investigated the relationship between psychopathy and the characteristics of criminal homicides committed by a sample of 125 Canadian offenders. It was hypothesized that the homicides… Expand
Without conscience or without active conscience? The etiology of psychopathy revisited
- S. Porter
- Psychology
- 1 June 1996
Abstract Despite an impressive body of research spanning seven decades, the causes of psychopathy and psychopathic violence remain enigmatic for mental health professionals and society as a whole. A… Expand
Pitfalls and Opportunities in Nonverbal and Verbal Lie Detection
- A. Vrij, P. A. Granhag, S. Porter
- Psychology, Medicine
- Psychological science in the public interest : a…
- 1 December 2010
The question of whether discernible differences exist between liars and truth tellers has interested professional lie detectors and laypersons for centuries. In this article we discuss whether people… Expand
The language of deceit: An investigation of the verbal clues to deception in the interrogation context
We examined the hypothesis that reliable verbal indicators of deception exist in the interrogation context. Participants were recruited for a study addressing “security effectiveness” and either… Expand
Profiles of Psychopathy in Incarcerated Sexual Offenders
- S. Porter, David R. Fairweather, J. Drugge, H. Hervé, A. R. Birt, D. Boer
- Psychology
- 1 April 2000
The authors investigated whether psychopathy would contribute to the understanding of the heterogeneity of sexual violence. Using the Psychopathy Checklist-Revised, presence of psychopathy, callous… Expand
Psychopathic traits in adolescent offenders: an evaluation of criminal history, clinical, and psychosocial correlates.
- M. A. Campbell, S. Porter, D. Santor
- Psychology, Medicine
- Behavioral sciences & the law
- 2004
Although a large body of research has established the relevance of psychopathy to adult offenders, its relevance to adolescent offenders is far less clear. The current study evaluated the clinical,… Expand
Cry me a river: identifying the behavioral consequences of extremely high-stakes interpersonal deception.
- Leanne Ten Brinke, S. Porter
- Psychology, Medicine
- Law and human behavior
- 1 December 2012
Deception evolved as a fundamental aspect of human social interaction. Numerous studies have examined behavioral cues to deception, but most have involved inconsequential lies and unmotivated liars… Expand
Psychopathy and Aggression.
- S. Porter, M. Woodworth
- Psychology
- 2006
Psychopathy is a personality disorder charaeterized by a major affective deficit accompanied by a disregard for the rights of others and for societal rules in generaI (e.g., Hare, 1996). As defined… Expand
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Secrets and Lies: Involuntary Leakage in Deceptive Facial Expressions as a Function of Emotional Intensity
- S. Porter, Leanne Ten Brinke, Brendan Wallace
- Psychology
- 1 March 2012
Darwin (1872) hypothesized that some facial muscle actions associated with emotion cannot be consciously inhibited, particularly when the to-be concealed emotion is strong. The present study… Expand
Truth, Lies, and Videotape: An Investigation of the Ability of Federal Parole Officers to Detect Deception
- S. Porter, M. Woodworth, A. R. Birt
- Psychology, Medicine
- Law and human behavior
- 1 December 2000
The ability of a group of Canadian federal parole officers to detect deception was investigated over the course of 2 days of lie detection training. On the first day of training, 32 officers judged… Expand
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