20% with bio parents, criminal. 6.5% with no criminal parents.
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Christiansen (1977) : how many pairs of twins?
3856
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Christiansen: results?
52% monozygotic, 22% dizygotic
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Bowlby (1946) : Aim?
investigate Maternal deprivation and link it to guilt/no guilt of a criminal child
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Bowlby: procedure?
44 boy offenders asked about relationship with parents and whether they felt guilty about crime
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Bowlby: results?
12/14 who did not feel guilt, were MD. 5/30 who did feel guilt were MD
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Farrington (2002), Family Size : results? (4)
family of 6/7 link to criminality. may be due to lack of attention, finance problems, low supervision, low standard of education
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Western (2003), Parental occupation : Results?
Father's occupation not an indicator of crime. Only mother's. due to children suffering from MD
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David Farrington (2002), Family Aspects : Procedure?
studied 411 boys from 8yrs old, for over 40 yrs. It was a longitudinal study.
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David Farrington (2002): Results? (6)
criminality linked to: low supervision, parents divorce, poor housing, parental neglect, harsh inconsistent childrearing, low achievement in school.
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Rosenthal and Jacobsen (1968) : Aim?
whether achievement would be self-fulfilling
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Rosenthal and Jacobsen : procedure?
gave school children an IQ test. Told teachers which were the average, which were smart (lies)
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Rosenthal and Jacobsen : Results?
teachers didn't expect much from the average students. Gave attention to the "smart" ones. The IQ of avg. dropped and IQ of smart increased. Shows Self-fulfilling Prophecy. They conform to it.
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Jahoda (1954) : Procedure?
Monday boys: calm and peaceful. Wednesday boys: angry and aggressive
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Jahoda :results?
22% Wednesday people were criminal. 6.9% Monday people were criminal. People treat the monday and wednesday boys differently, so shows SFP. They conform to it.
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Other cards in this set
Card 2
Front
Mednick: results?
Back
20% with bio parents, criminal. 6.5% with no criminal parents.
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