Criminal Psychology Topic 2

Question 1

Name the studies

Answer 1

Key: Hall & Player
Dore
Dore 2005
Linier- Sequensing Unsmasking
Miller - 6 pack

Question 2

Dore
What is the top down approach

Answer 2

The Expert uses knowlege & experience to to make an ASSUMPTION about identiy

Question 3

Dore
What is the bottom up approach

Answer 3

Comaring infomation & analising to create & find a match

Question 4

Dore
What is the Over-Confidence Bias

Answer 4

The expert is confident in own avility & overlooks any envidence proving them wrong

Question 5

Dore
What is the Expectansy Bias

Answer 5

Experit is told about the suspect & they need to find a match to support police

Question 6

Dore
What is the Confermation Bias

Answer 6

Expert is asked by another expert to conferm match
Unconsious bias to support

Question 7

Dore
What is the Selective Attention Bias

Answer 7

Expert only focuses on matches

Question 8

Dore 2005 Sample
Number / Occupation / Gender Split

Answer 8

27
Students
18 female / 9 male

Question 9

Dore 2005 Analise
Number / controls

Answer 9

96 finger print pairs
1/2 were clear & easy to see
1/2 not clear (risking bias)

Question 10

Dore 2005 Context for crime
High / Low

Answer 10

High: murder
Low: bike theft

Question 11

Dore 2005 Quantitative data

Answer 11

More matches for High Emotional Context - 58%
Less for Low Emotional Context - 49%

Question 12

Dore 2005 Subliminal message

Answer 12

Matches rose with subliminal (Guilty flashing on screan) - 66%

Question 13

Dore 2005 Conclution

Answer 13

Emotional context for the crime impacts the fingerprint analysi match

Question 14

Linier-Sequensing Unmasking
Step 1

Answer 14

ANALISE the prints
Record any key identifying details

Question 15

Linier-Sequensing Unmasking
Step 2

Answer 15

Gradually given MORE INFOMATION in order of importance

Question 16

Linier-Sequensing Unmasking
Step 3

Answer 16

Expert can ADD to report
BUT
CAN’T delete or change intial interpetation
(can rate condifence)

Question 17

Miller - What is the 6 Pack method

Answer 17

Using Hair Samples
Analisis given 6 samples
1 suspsect - 5 fillers (expert dosent know who is the suspect)
Has to check carfully

Question 18

Miller - 6 Pack method
What is the 1v1 method

Answer 18

Given suspect sample to compare to crime scene

Question 19

Miller 6 Pack Method
Procedure

Answer 19

Hair analisis students split into 2 groups
1v1
6 pack method

Question 20

Miller 6 Pack Method
Findings

Answer 20

6 Pack Group made less false positives

Question 21

KEY HALL & PLAYER
Aim

Answer 21

If the Emotional Context of the crime influencing judgement

Question 22

KEY HALL & PLAYER
Sample

Answer 22

70 fingerprint experts working for metropolitan fingerprint beuro - average 11 years experinece

Question 23

KEY HALL & PLAYER
Procedure

Answer 23

16 fingerprints superimposed onto £50 note
Given as part of normal working day

Question 24

KEY HALL & PLAYER
Conditions / Emotional Context

Answer 24

Could see the crime scene report - 57 did
High Emotional Context: Murder
Low Emotional Context: Fraud

• Identitfy
• Non- Identity
• Not enough detail
• Not enough detail for identity

Question 25

KEY HALL & PLAYER Influencesing judgement

Answer 25

High Emotional Context: 52% Low Emotional Context: 6%

Question 26

KEY HALL & PLAYER Quantitative data Idnetity

Answer 26

High: 6 Low: 7

Question 27

KEY HALL & PLAYER Quantitative data no identity

Answer 27

High: 1 Low: 0

Question 28

KEY HALL & PLAYER Quantitative data Not enough detail

Answer 28

High: 13 Low: 16

Question 29

KEY HALL & PLAYER Quantitative data Not enough detail for identity

Answer 29

High: 15 Low: 12

Question 30

KEY HALL & PLAYER Chi - Square conclution

Answer 30

No significant difference between emtional context (high or low) of the crime

Question 31

KEY HALL & PLAYER Findings

Answer 31

Finger print experts are less effected by top - down