618783
Description
Mind Map by jess.courtney13, updated more than 1 year ago
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Created by jess.courtney13
over 10 years ago
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Evaluation of
Raine's 1997 study
- GENERALISABILITY
- Largest sample size for
PET scanning = enough for
useful comparison
- Therefore better generalisation to
murderers pleading guilty
- Therefore better generalisation to
murderers pleading guilty
- HOWEVER...
- At no time were the
murderers
circumstances taken into
account
- For example, murder may have
been committed in act of defence
- For example, murder may have
been committed in act of defence
- At no time were the
murderers
circumstances taken into
account
- Largest sample size for
PET scanning = enough for
useful comparison
- RELIABILITY
- Scientic method- likely to have reliable findings
- Can be replicated
- Replicating the study with different groups
of participants would help give strength to
results
- Replicating the study with different groups
of participants would help give strength to
results
- Scientic method- likely to have reliable findings
- APPLICATION
- PET scans can be
used in defence in a
court of law
- In a situation where an
individual is pleading guilty for
reasons of insanity
- In a situation where an
individual is pleading guilty for
reasons of insanity
- PET scans can be
used in defence in a
court of law
- VALIDITY
- The results given are not
very precise, in terms of
areas of activity and how
active
- They do not tell you what areas of
the brain are actually doing
- They do not tell you what areas of
the brain are actually doing
- They can say which parts are
active at any time
- But not why, and this is an issue
for the validity of the results
- NEEDS AN EXPLANATION
- NEEDS AN EXPLANATION
- But not why, and this is an issue
for the validity of the results
- The results given are not
very precise, in terms of
areas of activity and how
active
- ETHICS
- PROTECTION OF PARTICIPANTS
- Individuals may have become
stressed by the procedure of
the PET scan
- Individuals may have become
stressed by the procedure of
the PET scan
- PROTECTION OF PARTICIPANTS
- OBJECTIVITY
- PET scanning is an objective technique
- Results can be
interpreted by more than
one researcher
- Results can be
interpreted by more than
one researcher
- PET scanning is an objective technique
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