Genetic explanation for offending behaviour
- Created by: Georgia
- Created on: 10-06-19 08:54
View mindmap
- Genetic explanation for offending behaviour
- Twin studies
- Christiansen (1977) examined over 3500 Danish twin pairs
- Male twins MZ = 35% DZ = 13%
- Female twins MZ = 21% DZ = 8%
- Large sample suggests generalisabilit
- Ethnocentric as only Danish twins
- Christiansen (1977) examined over 3500 Danish twin pairs
- Adoption studies
- Strength of influence lower in adoption than twin studies
- 36.2% = bio and adop. fathers
- 21.4% = bio father only
- 11.5% = adop only
- 10.5% = neither father
- Family studies
- Convictions of one family member were strongly related to convictions of another
- ~75% of convicted parents had a convicted child
- ~75% of families with convicted daughters had convicted sons
- Evaluation
- Hard to separate nature and nurture
- Low concordance suggests environmentainfluence
- Reductionist
- Influence of environment and neuro-transmitters
- Twin studies
Comments
No comments have yet been made