The biological approach to explaining OCD: genetic explanations evaluation
- Created by: gemshort
- Created on: 18-05-18 15:58
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Strength: there is evidence that some people are vulnerable to OCD as a result of their genetic makeup
- Nestadt et al (2010) reviewed previous twin studies and found that 68% of identical twins shared OCD compared to 31% of nonidentical twins
- This strongly suggests a genetic influence in OCD
Weakness: a genetic explanation is unlikely to ever be very useful because it provides little predictive value
- Psychologists have been quite unsuccessful at pinning down all the genes involved in OCD
- One reason for this is that it appears that several genes are involved and…
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