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Published byEleanor Hatchett Modified over 2 years ago

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What is Crime?

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Why?

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How can we test if genes play a part in criminal behaviour? Who can we study? – Twin studies: monozygotic twins (MZ-100%) dizygotic twins (DZ- 50%) – Adoption studies: Find out the effects of genes and the environment – Family studies: Study rates of schizophrenia in different relatives. E.g. compare concordance rates between mother and child.

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Concordance rates What is a concordance rate? This is the coefficient value that is worked out by correlating the crime rate between 2 groups of people e.g. concordance between parent and child The correlation coefficient tell us the likelihood of both parent and child engaging in criminal behaviours The higher this number is the more chance there is of criminal behaviours developing This can then be represented as a percentage value.

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