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2.1 - 2.3 - Theories
Biological theories
Adoption studies
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Used to look at weather or not crime is caused by
nature
or
nurture
Mednick
et al - Data on
14,000
adopted sons in denmark from
1924-1947
Sons were more likely to have a criminal record if their
biological
parents also had a criminal record (
20
% concordant rate)
Less likely to have a criminal record if their
adopted parents
had a criminal record (
14.7
%)