Student Evaluations: A Debate

They’re debating student evaluations at Phi Beta Cons. Excerpts follow, but it’d be worth going over and reading the whole thing.

‘Subjecting the Wise to the Scrutiny of the Unwise’

    Studies have shown, I say solemnly, that the young faculty, particularly, who are subjected to course evaluations, tend to raise the grades of their courses to avoid untoward comment,” Mansfield said.

    [...] Mansfield added that he thought the evaluations “subjected the wise to the judgment and scrutiny of the unwise.”

... Student evaluation of their teachers really is, for the most part, a counterproductive enterprise. Not only does it have the flaws Mansfield notes, it also allows students to breeze through the Q Guide and pick gut courses by the assessment of its “difficulty” — on a 1 to 5 scale — made by its former students. And, yes, a sad number of Harvard students pick their “Core” (i.e. general education) courses this way. That, and student evaluation only gives weight to the flawed notion that somehow teaching a course is primarily a “learning experience” or, as another professor’s recent exhortation to students has it — *cringe* — a “dialogue.”

Re: ‘Subjecting the Wise . . . ‘

They certainly have flaws, but I have to disagree that student course evaluations are “counterproductive.” It’s sad that some professors give higher grades to get higher ratings in return, and even sadder that some students will go out of their way to take easy classes (because of the wide range of difficulty, college GPAs are as much a measure of course selection as of work quality) — but my college had evaluations, and I often found them quite valuable.

Students comment, for example, on lecturing ability, fairness in grading, reasonableness of workload (I don’t think it’s wrong to avoid professors who intentionally assign more reading than can plausibly take place, just to test your ability to “find the important parts"), usefulness of reading assignments, political indoctrination, etc. And while it’s absurd to put a professor’s learning on the same level as that of his students, I do think student suggestions can improve teaching.

Re: ‘Subjecting the Wise’

A reader, Vivek Rao, writes in: 

    I think that student evaluations of faculty should be made available, but we should be wary of their shortcomings. There was a study finding that student evaluations of professor depend in part on the professor’s looks and whether he is an easy grader.

The study is here.

There are a number of methods that have much the same utility as student-review of their professors, but are absent the pitfalls. A number of schools have introduced a peer-review structure for professors; doubtless this is equally or more unpopular with professors, territorial as they are, but the reviews carry the weight of non-specialists who nonetheless understand the expectations of the field. Their criticisms, I imagine, are far more likely to be taken seriously as well, rather than simply appeased by inflating grades.

One Last Thing on Faculty Evals...

Another correspondent, Jeannine McDevitt, writes in with some anecdotal evidence on the grade-inflation-in-the-face-of-student-evaluation (hey, that rhymes!) issue:

    I am a tenured faculty member at a small community college. My own institution is very reasonable in interpreting student evaluations.

    However, last summer I attended a conference for faculty who had recently received tenure or were soon eligible, and I met a woman who was eligible for tenure at one of my state’s universities. Her student evaluations after her first semester of teaching were very negative, and she was called in before the tenure and promotion committee to warn her that her performance was unacceptable. Her faculty mentor spoke to her privately afterward and asked her about her grading. His advice to her was to give more A’s and B’s so that the students would like her. She was angry, but she decided to try that approach as an experiment the next semester. The result? Much more positive student evaluations, and a commendation from the committee on her “progress” as a teacher.


TitleExcerptDate
Student Evaluations: A DebateThey’re debating student evaluations at Phi Beta Cons. Excerpts follow, but it’d be worth going over and reading the whole thing. ‘Subjecting the Wise to the Scrutiny of the Unwise’ Studies have shown, I say solemnly, that the young faculty, particularly, who are subjected to course evaluations, tend to raise…02/14/08
Conducting Student Course Evaluations OnlineI recently had occasion to Google the question of conducting student evaluations online rather than during class time. I found a couple of interesting papers on the subject, including a summary that concluded: The biggest concern with online administration of student evaluations is student response rate. California State University, Fresno…04/02/07
Clear thinking on student evaluations …… is a rare thing, but Eric Rasmusen is an unusually clear thinker:IU policy is for professors to allocate 10 minutes of a class for students to fill in a rather silly 20-question questionnaire to rate them on a scale from 1 to 7. This is really the only way…06/23/04
More from Marginal Revolution on Student EvaluationsI blogged Tyler’s earlier post on student evals, but then found this folllow-up post even scarier:”...the correlation between Quality and Easiness is 0.61, and the correlation between Quality and Sexiness is 0.30. Using simple linear regression, we find that about half of the variation in Quality is a function of… 09/16/03
Student EvaluationsMarginal Revolution is blogging on the question of whether student evaluations are a good idea. Tyler cites a study, which concludes (among other things) that: “Cosmetic factors such as appearance have a big influence on evaluations.” This reminded me of my all-time favorite student evaluation: “Professor Bainbridge is my favorite…09/13/03

Posted on Thursday, February 14 2008 | Permalink

I always found student evaluations priceless. The students always let me know what I was doing wrong—and I never felt under pressure to inflate grades. This might be because I was teaching science, where grade inflation is less prevalent than in the humanities.

Posted by  on  02/14  at  10:22 PM

Institute a grade curve and you solve your grade inflation problem.

I’m always surprised that certain professors seem unable to distinguish between judging someone’s knowledge of a field, which the students cannot do, and judging that person’s ability to teach that knowledge, something students certainly can do.

If anything students are better situated to judge that than other professors who never see the guy teach.

Posted by  on  02/15  at  12:43 AM

I can understand that faculty members are concerned that some of their unscrupulous peers are doling out great grades to improve their evaluations. As someone who just graduated law school, I know of instances in which it is at least possible that professors inflated grades to increase their likeability. However, I think it is a leap of logic to argue that as a result of these bad actors, student evaluations should be abolished.

Student evaluations are one of the only ways for students to have any influence on faculty hiring and tenure. Removing them will likely inhibit a university’s ability to measure a professor’s ability to teach, an extremely important part of the professor’s job. Additionally, I would worry that the focus on a professor’s knowledge of a field, measured often via the quite imperfect indicators of number of publications and quality of scholarship, would become even more important in tenure decisions than it already is. Who cares if you have the foremost scholar of a field teaching you if he obfuscates the subject in class instead of enlightening it?

There are other much less extreme solutions to solve grade inflation. Apart from a mandatory grade curve, I have to believe that universities can come up with several mathematical ratios to normalize evaluations from the impact of grade inflation. Would these ratios be perfect? No. But they would reduce the incentive to inflate grades.

Posted by  on  02/16  at  07:21 PM
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