BOOSTING THOSE STUDENT CREDIT-HOURS PER FACULTY MEMBER. Invisible Adjunct discovers a U. Mass. professor who is getting some extra help from unpaid undergraduate teaching assistants. Invisible's characterization: exploitation. Quite, if not exactly sweated labor. Some years ago, Martin Anderson pointed out the scam in selling a university education on the strength of the famous professors, then using graduate students to deliver the education. What's next?