TWIN STUDIES

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Research Question: How does social/ Social emotional development differ between fraternal twins and singleton siblings?

TWIN STUDIES

Limitations

Only looking at one set of twins

observation might not be accurate

Methodology

Naturalistic observation of twins

Comparing life experiences of twins with singletons

Interview Questions

Advice for parents or twins

Impact of development

Impact of being a twin

Background info

Factors that affect social development.

Subtopic

Family Environment

Shared environment and experiences and non-shared.

http://onlinelibrary.wiley.com.ezp1.lib.sp.edu.sg/doi/10.1111/1467-8624.00504/epdf

Effect of non-shared environment on emotional development and other factors that affect one's social emotional development.

Main topic

Twins have shared experiences which may foster a better support system as compared to siblings who are not twins

http://search.proquest.com.ezp1.lib.sp.edu.sg/docview/214270967?pq-origsite=summon

less psychiatric symptoms in twin girls compared to singletons, less depressive symptoms also.

Parent's expect one twin to help the other- Impacts social development.

- Twins have lower rate of behavioral problems than singletons

is the difference significant enough

Lit review

Impact on development

Benefits and disadvantages

Difference in treatment

https://books.google.com.sg/books?hl=en&lr=&id=1Cf5BwAAQBAJ&oi=fnd&pg=PA1&dq=why+are+twins+treated+differently+from+singletons&ots=tzdiqTlMYE&sig=3i44dU-V03NDtEu-pNQBrl6FBdM#v=onepage&q=why%20are%20twins%20treated%20differently%20from%20singletons&f=false

Being a twin has both positive and negative impacts on social development. Learn skills such as reciprocity faster than singletons but have more social isolation towards adults than singletons.

Difference in treatment from family members between singletons and twins.

E.g. Mother of twins are less responsive and communicate less to twins than Mother of singleton.

Contradict

http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8493873&fileId=S136905230000355X

Twins has twice as many shared environments as compared to singleton siblings

Support