Raine at al


	Raine at al
	Advantages Methodology - controlled procedure Can use PET scans on living people - allows for more non - intrusive studies Can help create treatments if we are able to understand why they are violent	Disadvantages PET scans can be subjective and cause interpretation bias The task done in the scan is a general task and doesn't relate to violence so could lack validity Lacks ability to establish cause and effect. We can only say tat the study shows a correlation not a cause Also important to note that not all murderers are violent e.g. using poison Reductionism - explaining complex behaviours with simple answers
	Evaluation

PET scans can be subjective and cause interpretation bias
The task done in the scan is a general task and doesn't relate to violence so could lack validity
Lacks ability to establish cause and effect. We can only say tat the study shows a correlation not a cause
Also important to note that not all murderers are violent e.g. using poison
Reductionism - explaining complex behaviours with simple answers

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