classic evidence: Raine, Buchsbaum and Lacasse (1997) methodology Flashcards
what type of experiment and design was this research?
a quasi-experiment and a matched pairs design
what were the IV and DV?
IV- NGRI DV-the brain differences
what is a basic run down of the research?
raine, buchbaum and lactase wanted to see if there was a criminal behaviour physical difference between criminals and non criminals so we could predict someone to be a criminal before they committed the crime. they focused on criminals who had pleaded not guilty of insanity and also brain scanned non criminals with the same mental illnesses as the murderers to speculate any differences or similarities in the brain.
what does NGRI stand for?
the criminals who pleaded not guilty for reasons of insanity
who were the experimental group? an describe this group?
the murderers, 41 murderers (39 men and 2 women) who had a mean age of 34.3 years old
what had the criminals all bee charged with and how did they plead in trial?
murder or manslaughter and they all pleaded NGRI (not guilty of reasons of insanity)
how many of these criminals had schizophrenia?
6 people
how many of these criminals had a head injury or brain damage?
23
how many of these criminals had a history of drug abuse?
3
how many of these criminals had an affective disorder?
2
how many of these criminals had epilepsy ?
2
how many of these criminals had a learning disability?
3
how many of these criminals had a personality disorder?
2
what were pp instructed to do 2 weeks before brain scanning?
be medication free (was checked with urine sample
how was the control group made?
by matching each criminal with a normal person of the same sex and gender (no one was taking medication that were part of the control group)
