OCR A2 Psychology notes

Powerful Essays
Making A Case
119443567945
Profiling
Suspect Evidence
Witness Evidence
Lie Detection - VrijInterrogation - Inbau
False Confession - RussanoFaces - FroudWeapons Focus - PickelCognitive Interview - GeiselmanTop Down - Douglas
Bottom Up - Godwin
Case Study – WM3 (Turvey)

Making A Case 1 – Profiling
What you need to know:
What is the top down method and an example of it in practice?
What is the bottom up method and an example of it in practice?
An example of a profile
Serial Killers Exercise
Group the serial killers together with features that you consider similar and would help us catch another killer in the future. The idea is to be able to make a prediction of the kind of person we might be looking for in a new case, helping the police reduce the list of potential suspects.
In the space below give a summary of how you grouped the killers.
Top-Down profiling
This approach begins with what is known about existing killers and attempts to generate a theory of killer types. This theory (the top) is applied to the new case to suggest possible personality characteristics that the police ought to look for when identifying possible suspects, eg this killer is similar to Bundy so are looking for someone like him
The Key Study
Douglas, J. E. et al. Criminal Profiling from Crime Scene Analysis. Behavioral Sciences and the Law (1986) vol. 4 (4) pp. 401-421
Criminal Profile Generating Process
1. Profiling Inputs 2. Decision Process Models 3. Crime Assessment 4. Criminal Profile 5. Investigation 6. Apprehension Key stage is 3 leading to 4
Key part of theory was creation of organised v disorganised killers.
How was this done?
1823062-854731
Organised Disorganised
Victim Selection Control of victim Sequence of crime The previous killers could be grouped into these two categories according to Douglas. Killers falling into one of other of these groups would have certain kids of personality characteristics, which help the police reduce the number of

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