Criminal Case Studies Flashcards
How many participants were in Raines study?
41 (39 male 2 female)
What linked the participants in Raines study?
All charged with murder or manslaughter pleading NGRI
What was the mean age of the participants in Raines study?
31.7
How many had schizophrenia in Raines study?
6
How long were participants kept free of medication and for what purpose in Raines study?
2 weeks and so that the medication didn’t have an effect on the results
What was the machine called measuring brain activity in Raines study?
PET
What was the tracer called in Raines study?
FDG
In Raines study the participants preformed a task. What was it called and how long did it last?
Continuous performance task. 32 minutes
What was the date of hall and player?
2008
Aim of hall and player?
To investigate whether the fingerprint experts are affected by case details and whether it would bias their judgements
How big was the sample in hall and player?
70 fingerprint experts
What did the sample consist of in hall and player?
70 experts ranging from 3 months to 30 years experience. 12 were managers not practicing experts.
What type of sample was hall and player?
Volunteer
What was the fingerprint on in hall and player?
Imposed on to a £50 note
How were the participants in hall and player split?
Randomly in to groups of 8
How were the participants asked to treat the experiment in hall and player?
Like a normal day just do not discuss the experiment
What was the research method in hall and player?
Experiment
What were the two levels of IV in hall and player?
Low- forgery. Told that suspect had tried to pay with forged £50 note
High- murder. Same situation tried to pay. But then shot cashier
What design was Hall and player?
Independent measures
What were the choices for the experts to make at the end of Hall and players study
Match
Not a match
Mark was insufficient
Either not enough to make comparison or not enough to establish identity
How many participants read crime scene report before they identified fingerprint in hall and player
57/70
What did the results show about whether the case report affected their judgement?
High emotion - 52% felt affected
Low emotion - 6% affected
Did the reports affect results in hall and player?
There were no significant differences
What was hall and players conclusion?
That emotional context does affect feelings but not their analysis
