What year was Raine et. all study?
1997
1995
What type of scanning method was used in Raine et. al study?
PET
MRI
How many participants were in Raine et.al 1997 study?
41
64
What was the mean age of the experimental group in Raine et.al study?
34.3
34.9
How many women were in the experimental group of Raine et.al study?
2
4
Was the control group matched to the variables of the experimental group?
Yes
No
What type of experiment was Raine et.al?
Laboratory
Field
How many murderers were diagnosed with Schizophrenia?
8
6
How many weeks were the participants not allowed to take medication for?
3
What did the participants do before having a PET scan?
Do a reading task
Do a continuous visual performance task
How long did the participants do the 'continuous visual performance task' for?
32mins
45mins
How many images were taken in the PET scan?
15 horizontal slices
10 horizontal
What size intervals were the PET slices taken at?
5mm
10mm
What areas of the brain showed less activity by the experimental group?
Medial prefrontal and lateral prefrontal
Thalamus and hippocampus
What was the activity of the control groups brains?
Equal activity
Less activity
What is an evaluative strength of Raine et.al study?
Laboratory experiment giving it tight controls making it reliable
Sample can't be generalised to a wider range of criminals as the sample was small, unbalanced in gender and culturally as it was in America.
What is an evaluative disadvantage of Raine et.al study?
Study lacks validity as there was no control over the crimes committed meaning its difficult to say the brain anomalies caused murder.
Participants gave consent so it is ethically sound.
What type of participant sampling was used?
Opportunity sampling
Volunteer sampling
What type of experimental design was used?
Matched Pairs
Independent groups
What were the participants injected with before the PET scan?
Radioactive glucose tracer
Contrast medium dye
