Lecture 10 part 1 Flashcards
1
Q
Psychopathy and serial killers
A
- 90% serial killers are psychopaths
- Most psychopaths are no serial killers
- Serial killers often described as psychopaths
- Most killers are not psychopaths
2
Q
% of psychopaths in general population
A
1%
3
Q
% of psychopaths in prison population
A
10-25%
4
Q
% psychopaths as killers of police officers
A
44%
5
Q
Psychopathy
A
- Personality disorder
- Interpersonal, affective, and behavioural characteristics
- Manipulation, lack of remorse or empathy, impulsivity, antisocial behaviours
6
Q
Psychopathy measurements
A
- “In my clinical opinion”
- Self report inventories
- Informant rating
- Structered clinical
7
Q
Self report measures of psychopathy
A
- Measure attitudes and emotions that can’t be easily observed
- Easy to administer
- Doesn’t require inter rater reliability
- Can detect faking
- Psychopaths lie
- May not have enough insight into own traits
- Difficulty answering some questions from not feeling them
8
Q
Subclinical psychopaths
A
Students who scored higher on self-report psychopathy scale were more likely to defraud experimenter, better at identifying vulnerable victims, and more likely to cheat on an exam
9
Q
Antisocial personality disorder (APD)
A
- History of behaviours in which rights of others are violated
- Begins in childhood/ early adolescence
- Adult symptoms: criminal activity, risk taking, being deceitful, little guilt for one’s behaviours
10
Q
Antisocial personality disorder and psychopathy
A
- Almost all psychopathic offenders can be classified as having APD
- Most diagnosed with APD are no psychopaths
- APD, psychopathy, and sociopathy often used interchangeably
11
Q
Psychopathy checklist-revised (PCL-R)
A
- 20-item scale
- Semi structured interview and review of file information
- Assesses interpersonal, affective, and behavioural features
- Scores from 0-40, 30+ means psychopathy
12
Q
Forensic use of psychopathy
A
- Youth offenders that included testimony about youth offenders resulted in more severe dispositions
- In USA PCL-R scores were used in death penalty sentencing
- Psychopathy does not meet insanity defence
- Adversarial allegiance, evidence of this with prosecution professionals
- PCL-R scores provided by prosecution experts are higher as compared to defence experts
13
Q
Adversarial allegiance
A
Tendency for forensic exports to be biased towards who hired them
14
Q
PCL-R interpersonal features
A
- Glib/superficial charming
- Grandiose, inflated self worth
- Manipulative
15
Q
PCL-R affective/interpersonal features
A
- Shallow emotions
- Lack of guilt
- Callous
