Freddie DeBoer offers some conclusions based on The Gallup-Purdue Index 2015 Report: The Relationship Between Student Debt, Experiences and Perceptions of College Worth:
[This] research tells us what ought to have always been clear: that faculty, and the ability for faculty to form meaningful relationships with students, are the most important part of a satisfying education. Check it out.
Of course, I am biased and like reading things which confirm my bias. Nevertheless, this type of thing really should be obvious. It’s gratifying to have some well-researched data to back up what we already know.