One of the things I didn't need a study to learn

James Felton, a professor of finance and law at Central Michigan University, and a colleague looked at ratings for nearly 7,000 faculty members from 370 institutions in the United States and Canada, and his verdict is: the hotter and easier professors are, the more likely they’ll get rated as a good teacher.

As some one once said, education is the only product where the consumer is out to get the least for his money.