Bibliography (13):

1. https://x.com/isungset/status/1536318697811456000

2. https://osf.io/fj3nb/

3. https://www.fhi.no/moba-en

4. 2022-isungset-figure1-birthordereffectsoneducationinnorwegianpopulation.jpg

5. 2022-isungset-supplement.pdf#page=3

6. 2022-isungset-supplement.pdf#page=7

7. 2022-isungset-supplement.pdf#page=6

8. Confluence Model

9. Wikipedia Bibliography:

   1. Birth order

   2. Civil registration

   3. Polygenic score

   4. Confidence interval

   5. Genome-wide association study