followed 14,000 adoptions and found that boys with no criminal parents either adoptive or biological had a baseline rate of criminal convictions of 14%
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Twin study strengths
-research study such as Christiansen has supported the view that genetic factors plays role in criminality which helps increase the validity of the explanation.
-Allows disentanglement of the shared genetics.
-Researchers can estimate the proportion of va
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Twin study weaknesses
-if twins are raised in the same environment could be more of a traumatic event or learning from parents rather than inherited factors.
-Lack validity
-identical twins are more likely to be treated the same by their parents and would of have more similar
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Other cards in this set
Card 2
Front
What are Dizygotic twins?
Back
Non-identical ( fraternal ) twins which have 50% same genetic materials.
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