Crime is learnt, crime is a product of maternal deprivation
1 of 17
Explain the mat dep theory
need to attach withinn first 2 years - mat dep leads to cold and affectionless character
2 of 17
study support?
bowlby 1969 - 44 theives - 40% of theives had 6 months of mat dep compared to 2 ppl of control - 1/3 were described as AFFECTIONLESS psyhopaths
3 of 17
What were the limitations to this study?
it was retrospective and also had a small sample size
4 of 17
further support from Kolvin?
Kolvin - 1988- risk of conviction doubled for boys under 32 who experienced mat dep
5 of 17
how does attachment style and criminality link - study Allen
Allen - 1996- avoident attachment is linked to drug use and criminality on asolescents
6 of 17
describe learnt thru rewards
OC- neutral- no effect, reinforce- increase behav, punishment- decrease
7 of 17
study support from jeffrey
jeffrey - 1965 - criminality due to OC because of reinforcement and bad natured punishment
8 of 17
further support from marshall
marshall - 2006 - bill the paedo - olfactory aversive conditioning - bad smelling kids - maturbatory conditioning - make women attractive - it worked
9 of 17
slt theory study- farringdon
learn thru obs - farringdon- 2005 - cambridge study- poor parental supervision/ harshness up to age 8 led to increased delinquency at age 48
10 of 17
evaluation of learning
+ - most beh is learnt so makes sense, - not all abused become abusers+does not acccount for bio effects
11 of 17
biological theories?
Inherited and unbalanced neurochemistry
12 of 17
study for inheritance by Blonigen
Blonigen- 2003 - twin study - on psychopathic personality inventory - sig .4 correlation for MZ, non sig of -.3 for DZ - suggests strong biology
13 of 17
further support by grove
this could be due to env - Grove -1990 - MZ reared apart before 2 months - found a heritability rate of 40% at childhood that decreased to 20% as age increased
14 of 17
how do genes contribute to criminality
MAOA dysfunction - stops maoa prod - linked with increased agg - 5-HT = low levels correlate with increased agg
15 of 17
What neurochemical is liked with criminality
oxytocin - love hormone
16 of 17
study support from mitchell
mitchell 2003 - urine samples of criminals- OT levels positively correlated with psychopathy
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Other cards in this set
Card 2
Front
Explain the mat dep theory
Back
need to attach withinn first 2 years - mat dep leads to cold and affectionless character
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