So the important factor is not how entertaining and funny the instructor is. Age of instructor 2. Years of teaching experience 3. Analysis of classroom studies indicates no practical difference in the overall ratings of male and female instructors. Instructor's Presence in Room.
Ratings are generally more positive if the instructor remains in the room.
Time of Administration. Ratings given during final exams are lower than those given sometime earlier in the term. Signed ratings are usually more positive. Any biasing effect of such factors can be eliminated if all instructors follow the standardized directions for administering the ratings. The directions contained in the Multi-Op manual tell instructors that the rating forms should be given to students the last week or two of classes rather than on final exam day, that students should remain anonymous, that professors should leave the room, and that no statements be made about the intended use of the ratings.