Bibliography (4):

1. Automatic Personality Assessment Through Social Media Language

2. Forecasting the onset and course of mental illness with Twitter data

3. https://www.pnas.org/doi/full/10.1073/pnas.1218772110

4. Wikipedia Bibliography:

   1. Preregistration (science) § Registered reports  :

      https://en.wikipedia.org/wiki/Preregistration_(science)#Registered_reports