>Tenure-track professors are rewarded mostly based on research, but many classes are taught by lecturers, instructors, adjuncts, and other non-tenure-track teac

>Tenure-track professors are rewarded mostly based on research, but many classes are taught by lecturers, instructors, adjuncts, and other non-tenure-track teaching staff. But a lot of those people are teaching to pay the bills as they do research in an effort to get on the tenure track.