Eyewitness Memory Group

We examine multiple issues surrounding Psychology and Law, for example: eyewitness memory, composite construction, face recognition, identification parades, weapon focus effect, interview techniques, detection of deception, cross-race identification, misinformation effect, and other system and estimator variables surrounding crimes and eyewitness performance.

We attempt to address applied issues, using laboratory techniques and methods. We are involved in many current collaborations, both internationally and nationally.

Current Projects

Prof.Colin G. Tredoux

Alicia Nortje

Kate Kempen

Prof. Colin G. Tredoux

Colin collaborates actively with researchers in Germany, France, United Kingdom, China, South Africa, Qatar, Canada, and the United States.  His research is funded by the National Research Foundation, the Bernard van Leer Foundation, and the University of Cape Town. Particular lines of inquiry at the moment concern the nature of face processing when viewing faces from other groups, creating synthetic faces for application and for research, disaggregating encoding and retrieval processes in face recognition, and a number of other topics in the areas of eyewitness and face recognition research.

Alicia Nortje (PhD Candidate)

Facial recognition of multiple perpetrators: Alicia’s PhD is investigating eyewitness memory for events committed by multiple perpetrators. Specifically, she is examining the effect that this has on face recognition and the complications surrounding line-up procedures for these types of crimes.

PhD Candidate: Alicia Nortje; Supervisor: Prof. Colin G. Tredoux; Co-Supervisor: Dr. Annelies Vredeveldt. Funded by National Research Foundation and University of Cape Town.

Kate Kempen (PhD Candidate)

Composite construction and face recognition: Kate is examining the potential contaminating effect of composite (identi-kit) construction on face recognition, and is attempting to improve the standard method of face construction and composite quality, thus facilitating memory. Some of the topics that she is investigating include: featural versus configural face processing, criterion shift, and effects of different composite systems (featural versus holistic).

PhD Candidate: Kate Kempen; Supervisor: Prof. Colin G. Tredoux; Co-Supervisor: Dr. Annelies Vredeveldt. Funded by National Research Foundation and University of Cape Town.

Stacey Hall (Masters Student)

Non-Student Researchers:

Cheneal Puljevic

Cheneal has her Honours degree in Psychology from the University of Cape Town. She joined the Eyewitness and Face Recognition Group in 2012 as a Research Administrator for the Eye Closure Interview project. She aims to continue her studies by commencing a Master’s degree in Psychology in 2014.

Liam Wantenaar


• Tobii X120 Eye-Tracker

• Tobii Studio Software

• E-Prime 2.0

• SuperLab 4.0

• Ambulatory Monitoring System (AMS)

• FACES 4.0 (Composite System)

• ID (bespoke face synthesis software, and composite system, developed by Colin Tredoux and collaborators)

• Adobe Creative Suite


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