Bibliography (9):

1. https://www.nature.com/articles/s41598-020-73503-4

2. ​ ‘variance components’ directory

3. https://figshare.com/s/f327175aa8b541ef01bd

4. Wikipedia Bibliography:

   1. replication crisis

   2. Reproducibility

   3. Variance

   4. Confidence interval

   5. https://en.wikipedia.org/wiki/Corticosterone  :

      https://en.wikipedia.org/wiki/Corticosterone

   6. Multilevel model