In today’s Inside Higher Ed:  Validation for RateMyProfessors.com?, by Scott Jaschik:

You’ve heard the reasons why professors don’t trust RateMyProfessors.com, the Web site to which students flock. Students who don’t do the work have equal say with those who do. The best way to get good ratings is to be relatively easy on grades, good looking or both, and so forth.

But what if the much derided Web site’s rankings have a high correlation with markers that are more widely accepted as measures of faculty performance? Last year, a scholarly study found a high correlation between RateMyProfessors.com and a university’s own system of student evaluations. Now, a new study is finding a high correlation between RateMyProfessors and a student evaluation system used nationally.

A new study is about to appear in the journal Assessment & Evaluation in Higher Education and it will argue that there are similarities in the rankings in RateMyProfessors.com and IDEA, a student evaluation system used at about 275 colleges nationally ….