In the ten years since that article appeared, a great deal of research has been done, and colleges and universities have accumulated much experience with student ratings. In addition, Committee C, of which I was a member, prepared a Statement on Teaching adopted by the AAUP Council and approved at the Annual Meeting in June, 1975. The Project to Improve College Teaching, jointly sponsored by AAUP and the Association of American Colleges, also published, in 1971, The Recognition and Evaluation of Teachingby Kenneth E. Eble. The purpose of this article is to bring the reader up to date on the evidence with respect to the issues discussed earlier, as well as covering additional issues that have come to the fore more recently.