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Psychology > p3 (b) criminal psychology > Flashcards

p3 (b) criminal psychology Flashcards

1
Q

what are biological key assumptions?

A

-behaviour caused by our biology and way our body works

-mind resides in physical structures of the brain so all thoughts feelings and emotions have physiological cause

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2
Q

what are non physiological explanations for criminals?

A

Bandura SLT

self fulfilling prophecy

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3
Q

what is Banduras explanation of criminals?

A

-children around same sex role models who are criminals observe it
-if outcomes good behaviour is vicariously reinforced
-children imitate behaviour in hopes of also gaining a reward

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4
Q

what is the self fulfilling prophecy of what makes a criminal?

A

-when you are treated like a criminal u become one
-Jahoda: Ashanti culture
.Wednesday- aggressive
Monday- calm
-22% violent crimes committed by wednesday boys and 7% monday

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5
Q

what are physiological explanations for criminals?

A

-Lombroso ‘criminal evolution’

-Sheldon ‘the criminal body’

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6
Q

what is the Lombroso theory of criminals?

A

-Charles Darwin theory of evolution
-humans evolved to possess criminal features
-criminals subspecies of human
-narrow sloping brow
large ears
defined jawline
abnormalities

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7
Q

what is Sheldon’s explanation of what makes a criminal?

A

-ectomorphs, endomorphs, mesomorphs
-mesomorphs criminal (most inmates)

-those with muscular build can achieve anything (rewards) with force
-muscular build creates prejudice cant escape stigma

-historically wc due to diet and labour

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8
Q

what is the aim for Raine?

A

Study brain activities in murderers and non-murderers using PET
Find out if differences in areas thought to be involved in violence

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9
Q

what was the experimental sample for Raine?

A

41 murderers
39 men, two women
Mean age 34.3
NGRI

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10
Q

what was the control sample for Raine?

A

matched sex age
Six schizophrenic

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11
Q

what was the design Raine?

A

Quasi experiment
Matched pairs

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12
Q

what was the procedure Raine?

A

practice CPT
Began CPT session
30 seconds later injected with glucose tracer
CPT lasted 32 minutes
10 horizontal slices at 10 mm intervals
Brain scan using PET

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13
Q

what two techniques were used to identify brain regions?Raine

A

cortical peel technique ( lateral areas)

Box technique (middle area)

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14
Q

what regions did the cortical peel technique identify?Raine

A

superior frontal gyri
Middle frontal gyri
Inferior frontal gyri

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15
Q

what regions did the box technique identify? Raine

A

Orbital gyrus
Superior frontal gyrus

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16
Q

i what were the asymmetrical results?Raine

A

Abnormal asymmetrical activation in amygdala 0.88
Hippocampus
Thalamus
higher in right

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17
Q

what regions were lower in murderers?Raine

A

lateral prefrontal cortex1.09
medial prefrontal cortex

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18
Q

what were conclusions for?Raine

A

Aries with abnormal activity associated with aggressive behaviours
-Amygdala lack of fear
-Prefrontal cortex lowered self-control
-Issues expressing emotions

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19
Q

what are two biological strategies to prevent crime?

A

plastic surgery
drug treatment

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20
Q

why would plastic surgery work to prevent crime?

A

correct facial defects
associated with physical abnormalities with criminality
exposed to ugly villains and handsome princes
self esteem independently linked to risk of criminality

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21
Q

what study used plastic surgery to reduce crime?

A

lewinson
450 facial reconstructions for prisoners broken noses, facial scars, deformed ears
increased cooperation with authority and prison activities
inmates likely to learn a trade

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22
Q

what are strengths of plastic surgery to prevent crime?

A

reduces recidivism
enhances self esteem and perception
improves reputation and first impressions
breaks sfp ’new start’
42% reoffend not 75

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23
Q

what is a weakness of plastic surgery to prevent criminals?

A

reductions
not all crime
not all criminals need

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24
Q

issues with crime scenes and fingerprints

A

mistake made with fingerprints
golden hour
Competing motives
-motivated to identify criminals
-motivated to catch the right criminals

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25
Q

what are motivating factors and bias with fingerprints?

A

Charleston- 13 analyst main motivation
rewards
hope and satisfaction
case importance
feelings
-marks often poor quality, incomplete, sludge, distracted

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26
Q

what are problems with fingerprint analyst Dror?

A

lack of consistency
individual fingerprint analyst from one another and themselves over time
-range of cognitive factors bias decisions

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27
Q

what are causes of bias in fingerprint analyst?

A

-emotional context: Dror- high emotion increases chance of match decision
-desire to solve the case: when matched prints found- motivated to find more non existent

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28
Q

what are latent marks?

A

marks left by fingerprints on surfaces, ridges and patterns

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29
Q

what are Hall and players aims?

A

-if fingerprint experts emotionally affected by case details in report
-if emotional context would bias the decisions

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30
Q

what was Hall and Player sample?

A

70 experts
Met police bureau
volunteers
11 years mean experience

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31
Q

what was the design for hall and player?

A

lab experiment
independent measures design
IV- high emotion- fire two shots
low emotion- forgery fake £50
DV-impacted by emotional context and if it effected decision

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32
Q

what fingerprint where they given in Hall and Players study?

A

-fingerprint from known source
-superimposed- latent mark only just identifiable (confirmed by other experts)
-matched set of 10 donor prints
-colour, size and detail valid

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33
Q

what two objects were the analysts given?

A

-fingerprint magnifying glass
-Russell comparator

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34
Q

what were the analysts given in hall and players study?

A

-test mark card
right forefinger
examiners report
10 fingerprints

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35
Q

what were the results for hall and players study?

A

high emotion affected- 50%
low emotion- 6%
-no significant difference between decisions made identified 6 highs, 7 low

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36
Q

what were the conclusions for hall and players study?

A

-emotional context affects expert feelings
-doesn’t affect analysis/ decision
-experts better at analysing

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37
Q

what are application for fingerprint analysis?

A

-independent analysis of prints
-Filler- control method
-working in isolation from other evidence

38
Q

what is independent analysis of prints?

A

-Kassin-linear approach
analyse print in isolation
analyse comparison print
compare
reconsider original analysis

39
Q

what is the issue with not using independent analysis of prints?

A

low inter-rater reliability (Dror)
-comparison print set up cognitive expectations
affects analyst attention search for only similarities

40
Q

what are strengths of using independent analysis?

A

mitigates impact of cognitive expectations improves objectivity

41
Q

what are weaknesses of independent analysis?

A

-time consuming
-may not be possible in all circumstances

42
Q

what is the filler control method?

A

6 comparison prints to remove motivation to match print to suspect
-drives competing motivation to find right criminal (Dror)

43
Q

what are strengths of filler control method?

A

-increases validity and accuracy in finding criminal

44
Q

what are weaknesses of filler control method?

A

-time consuming
-where do the prints come from

45
Q

what is isolation from other evidence?

A

Kassin- unaware of crime scene info
-Hall + Player- info can influence and impact cognitive decisions
-verification should also be blind

46
Q

what is a strength of isolation from other evidence?

A

-reduces psychological harm
-reduces emotional bias

47
Q

what are weaknesses of isolation from other evidence?

A

-difficult to implicate
people talk/ news
can’t always be unaware

48
Q

what are identity parades?

A

lineup of around six
Suspect and fillers
Witness one-way screen

49
Q

what are issues with identity parades?

A

Witnesses feel under pressure to choose someone

50
Q

How can we solve issues with identity parades?

A

Saying the criminal may or may not be in the lineup
double blind procedure
Show participants one at a time

51
Q

what was Wells research into identity parades?

A

Research what affects lineups
Poor quality video shop camera
Man entered, told murdered security
Either they chose correct incorrect control
Asked how certain and how willing to testify in court
Those correct more confident

52
Q

what are identikits?

A

drawing image of suspect
Now use sketch cop
E fit
faces

53
Q

What is a standard interview?

A

very little training
Ask short answer questions
Ask whatever they feel is relevant

54
Q

What are issues with standard interviews?

A

Fisher
interruptions, overreliance on short answer questions
Pushing witnesses results in false info

55
Q

What are the steps of a cognitive interview?

A

context reinstatement
In-depth report
narrative re-ordering
Reporting from different perspectives

56
Q

what was Fisher study on cognitive interviews?

A

16 experience detectives
Seven CI course
63% gained more information than standard interview interviews

57
Q

What is ECI?

A

same for techniques as CI
Add social aspects
Distractions minimum allows pauses sensitive as possible
Interview encouraged to strengthen context by focus memory techniques like imagery

58
Q

what was the aim for memon and high am?

A

review
components of CI and their effectiveness
Relationship between CI and others
Different measures of memory performance
Interview a variable and effective training quality

59
Q

what did memon and higham find about ci components?

A

isolate and test individually
Milne- compare full ci with dif components
full produced more recall
cognitive reinstatement most recall

60
Q

what did memon and higham find about the relationship between ci and others?

A

-ci many advantages over si
- ci has more training
-impossible to control individual differences of si
-suggests comparing with structured interview which encouraged rapport, pauses, no interruptions

61
Q

what did memon and higham find about interview variables?

A

-ci demanding and exhausting
- memon- need 2 days training as 4 hours produced no difference to si
-develop baseline score for interviewers as some resist training and don’t follow instructions
-attitudes, motivations, pervious experiences

62
Q

what did memon and higham find about different measures of memory performance?

A

-majority of studies measure memory by % of correct statements
-neglect amount of unreported info
-ci results in people reporting more info
-ci may change an interviewees understanding of what the interviewer wants

63
Q

what are memon and higham conclusions?

A

need good research into ci
- individual differences still a significant challenge
-researchers need to establish comparison groups and suitable measures of memory

64
Q

what are applications for collecting evidence?

A

peace model
eci

65
Q

what are the steps of the peace model?

A

-prep- aims info needed
-engage- rapport
-account + accuracy- no interruptions, clarification
-closure- reinforce rapport
-evaluation- inconsistencies

66
Q

what are strengths of the peace model?

A

standardised
reliable
ethical

67
Q

what are weaknesses of the peace model?

A

individual differences of interviewers
-free will
time consuming

68
Q

what is the eci?

A

enhanced cog interview
greater influence of social aspects

69
Q

what are the steps of eci?

A

-explain aims
-reinstate context
-report everything
-recall dif order
-recall dif perspective
-closure
-eval

70
Q

strengths of eci?

A

highly accurate
ethical

71
Q

weakness of eci?

A

individual dif
-time consuming
hostile p

72
Q

what are the factors of defendants that influence decisions?

A

attractiveness
race
language
accent

73
Q

what is Stewart Halo effect study investigating attractiveness?

A

-neg correlation between attractiveness and severity of punishment
-60 USA trials
8 jury rated defendants score of attractiveness
physical, neat, clean, dress

74
Q

what is Sigall+ Ostrave study investigating attractiveness?

A

120 suggested sentence for burglary or fraud
-shown no photo
-shown attractive/ unattractive photo
-long sentences for unattractive burglary
-long for attractive fraud

75
Q

what is Lakoff study into language?

A

hedges + intonation
less likeable, competent, intelligent, believable

76
Q

what is Pfeifer + Ogloff study into race?

A

white uni students rate black as likely to be guilty
-black longer USA prison sentences
-if murdered whit more likely to be guilty than if murdered black
-OJ Simpson- racial undertones, media attention

77
Q

what is the Central Park Five study?

A

-black youths playing in park
-wrongfully convicted for rape + assault of white woman

78
Q

what is Mahoney and Dixon study on accent?

A

-Brummie accent viewed negatively
-likely to be guilty in blue collar crime

79
Q

what was the aim for Dixon, Mahoney, Cocks?

A

-hypothesis that Brummie suspect would be seen as guilty
-test if race, type of crime would effect choice

80
Q

what was the method Dixon, Mahoney, Cocks?

A

2x2x2 factorial design
-independent measures

81
Q

sample for Dixon, Mahoney, Cocks?

A

119 undergrad students white
-mean age 25.2
-part of their course

82
Q

what was the procedure for Dixon, Mahoney, Cocks?

A

-transcript real interview
-standard accent 40s inspector, 20s suspect
-guises pre test validity
-blue collar= armed robbery
-white collar= forgery
-racial cues/ description

83
Q

what scales were used in Dixon, Mahoney, Cocks?

A

-7 point guilt
-SEI speech evaluation instrument
rated attractiveness. superiority, dynamism

84
Q

Dixon, Mahoney, Cocks results?

A

-Brummie lower superiority
-non standard speakers score lower on competence
-ANOVA 3 way analysis
-black, blue collar, brummie most guilty

85
Q

what does Broeder say about the influence of inadmissible evidence?

A

being told to disregard information makes it more important
Lab experiment, Chicago law school
Listen to tape where women injured by care less driver
Awarded 4000 more when said he had liability insurance
Increased to 46,000 when judge said it was in admissible evidence

86
Q

What can be done to decrease the influence of inadmissible evidence?

A

use fines/disbarring
retrial dismiss current jury
Train jurors to ignore evidence

87
Q

what does Schweitzer and Saks say about the CSI effect?

A

forensic science portrayed as high-tech magic setting unrealistic expectations
Seen in DNA evidence the less the jury understands it the more likely the are regarded as infallible

88
Q

What can be done to reduce the CSI effect?

A

improve quality/regulate TV shows
Train jurors to understand reality of DNA evidence

89
Q

what does Weinberg say about the impact of FMRI scans?

A

Colorado State Uni students
Sean criminal trial were defending accused of killing his wife
Participants to read fMRI likely to see defendant as guilty

90
Q

what can be done to reduce the impact of FMRI scans?

A

Use FMRI scans to help drawers reach decisions as long as they are made aware of the risks involved

Psychology (20 decks)

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