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Chapter 11

CHapter 11 Psychology in the Law notes

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PSY 300
Tara M Burke

Chapter 11: Psychopaths ­ Psychopathy: Personality disorder defined by a collection of interpersonal, affective and behavioural characteristics including manipulation, lack of remorse/ empathy, impulsivity and antisocial behaviours Assessment of Psychopathy ­ Hare Psychopathy Checklist-revised: Popular method of assessing psychopathy in adults o Semi-structured interview o Assesses interpersonal, affective and behavioural features of psychopathy o 2 factors: 1) interpersonal/ affective traits 2)unstable/ socially deviant traits ­ Self-report questionnaires: o Measure attitudes/ emotions o Easy to administer o No worry with interrator reliability o However, psychopaths often lie o They may not have insight on how to assess their traits Two most used self-report scales… 1) Psychopathic Personality Inventory (PPI-R): self-report of psychopathic traits 2) Self- Report Psychopathy scale (SRP): Psychopathy and Antisocial Personality Disorder ­ Antisocial personality disorder: History of behaviour in which the rights of others are violated. Symptoms: o Repeatedly engaging in crimes o Deceitfulness o Impulsivity o Irritability o Reckless ­ Sociopathy: Psychopathic traits are assumed to be due to environmental factors o Similar traits to psychopaths but develop the traits from poor parenting/ environment ­ Relationship between APD & Psychopathy: Most psychopathic offenders fall under the APD category but not all people with APD are psychopaths Psychopathy and violence ­ Nature of psychopathic violence differs from others: more likely to be predatory in nature, motivated by unidentified goals, little emotion ­ Likely to target people they know and violence occurs in strong emotional arousal ­ Engage in “cold-blooded” homicides more than nonpsychopaths Psychopaths in the community ­ NoT ALL PSYCHOPATHS ARE VIOLENT ­ Kirkman (2005). 8 characteristics of male psychopaths in relationships: 1) talking victim into victimization 2) lying 3) economic abuse 4) emotional abuse 5) multiple infidelities 6) Assault 7) Mistreatment of kids Psychopathy and Sexual Violence ­ Psychopaths engage in more violent offences than nonpsychopaths, but fewer sexual offences
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