Wharton MBA has this Team-based Discussion (TBD) as a part of their application process. From what I hear, it is to weed out Asshole type of personality. In regard to how effective the method is, I'm not 100% convinced.
253 karma · joined January 11, 2018
not exact reference towards the policy: "In the table below, green scores are above 95% and red scores are below 25% (equivalent to "I don't know" on every page); those outliers were excluded when computing statistics and cutoffs." - https://courses.engr.illinois.edu/cs473/fa2012/
source: https://www-cs-faculty.stanford.edu/~knuth/email.html