jennifer beaudry, lecturer (pss)
DESCRIPTION
Jennifer Beaudry, Lecturer (PSS). Eyewitness Identification Memory. DataBlitz 26.04.2013. Eyewitness Identification Memory. Overview. Background Experiment: Impact of disguise Future directions. Eyewitness Identification Memory. The Problem. Innocence Project, 2013. 306 - PowerPoint PPT PresentationTRANSCRIPT
Jennifer Beaudry, Lecturer (PSS)
Eyewitness Identification Memory
DataBlitz 26.04.2013
Swinburne
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Eyewitness Identification Memory
- Background- Experiment: Impact of disguise- Future directions
Overview
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Eyewitness Identification Memory
306DNA Exonerations
The Problem
Innocence Project, 2013
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Eyewitness Identification Memory
Inform
ants
/ Snit
ches
False C
onfes
sions
/ Adm
ission
s
Unvali
dated
/ Impro
per F
orens
ics
Eyewitn
ess M
iside
ntific
ation
s0
50100150200
Common Causes of Wrongful Convictions (First 225 cases)
Innocence Project, 2013
77%
52%
23%16%
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Eyewitness Identification Memory
System Variables- Lineup presentation- Lineup instructions- Lineup construction
Estimator Variables- Exposure duration- Age of witness- Disguise
Factors Influencing Eyewitness Identification Memory
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Stocking Disguise (N = 91)
6
None 1/3 2/3 Full
24 targets (6 per disguise level)Lineups: Target-present vs. Target-absent
Mansour, Beaudry, et al. (2012) Law and Human Behavior.
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Eyewitness Identification Memory
24-Trial Repeated Measures Design (N = 91)
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Toque & Sunglasses Disguise (N = 87)
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Toque & Sunglasses
Sunglasses
ToqueNone
24 targets (6 per disguise level)Lineups: Target-present vs. Target-absent
Mansour, Beaudry, et al. (2012) Law and Human Behavior.
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Eyewitness Identification Memory
Target-Present Lineups (Stocking)
None 1/3 2/3 Full0%
20%
40%
60%
80%
100%
NoneFoilTarget
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Eyewitness Identification Memory
Target-Present Lineups (Toque & Sunglasses)
None Toque Sunglasses Both0%
20%
40%
60%
80%
100%
NoneFoilTarget
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Eyewitness Identification Memory
None 1/3 Toque
2/3 Sunglasses
Full Both
0
20
40
60
80
100
StockingToque/Glasses
Cor
rect
Iden
tific
atio
ns (%
)
Correct Identifications from Target-Present Lineups
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Eyewitness Identification Memory
Disguise and…- Role of metacognitions?- Jurors’ perceptions?
Future Directions
Acknowledgements: Jamal Mansour, Michelle Bertrand, Natalie Kalmet, Elisabeth Melsom, Rod Lindsay
Eyewitness Identification Memory
#410-09-2674
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Eyewitness Identification Memory
None 1/3 Toque
2/3 Sunglasses
Full0
20
40
60
80
100
StockingToque/Glasses
Fals
e Id
entif
icat
ions
(%)
False Identifications from Target-Absent Lineups