Research
Some websites and online discussions used for Unit 49 Research:
https://www.reddit.com/r/truegaming/comments/242itf/first_person_vs_third_person_which_do_you_prefer/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4675555/
https://www.gamasutra.com/blogs/MichelSabbagh/20150827/252341/The_important_differences_between_firstperson_and_thirdperson_games.php