My area of study is bioinformatics, but I think my question is broadly applicable. I noted that some grad programs have gone GRE-optional, e.g. Harvard BIG, UCSF BI, and UMich CCMB. Some programs like UPenn BGS seem to have gone test blind.
Are universities that follow this path just trying to get a wider applicant pool? If so, what's driving this? Do they just want their program to appear more competitive, or are they trying to get a more diverse pool of admitted students? How do test optional programs view students who don't submit GRE scores? It seems odd to me that a program like Harv