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Skip to 0 minutes and 10 seconds Students care about how well professors teach. And when enrolling for a class, they would naturally like to find out a little bit about how good the professor is. » To meet this need, there are several websites that have cropped up. For example, ratemyprofessors.com. On this website, students who have taken my class, go in and enter their comments and their rating of me as a professor. Other students who are considering taking my class, can go read these comments, look at these ratings and then decide if I’m a good professor or if they should wait till the course is taught by somebody else or not take the class at all.

Skip to 0 minutes and 56 seconds In other words, what happens on this website and the data that’s on this website has an impact on enrollments in my class. And therefore, potentially, on my career as a professor. The thing is, this is intensely personal information about me. But, it is about me said by somebody else and recorded on a third party website that I have no control over. And in fact, in general, have very little interaction with. Now, the question is, what happens if there’s data, the things that are said on this website that I object to? For example, suppose there is some student who’s disgruntled.

Skip to 1 minute and 46 seconds Let’s say I caught some student cheating, they could go in and put a really nasty comment about me and rate me very low. Even worse, there isn’t much that prevents them from getting 50 of their closest friends, let’s say their frat buddies, to go in and do the same thing. And the net result of this kind of mass movement would be that my ratings on the site would plummet. If such a thing were to happen, I could, presumably, go and complain to the website and possibly, they would investigate. And possibly, they might do something. But, it’s really totally up to them and their processes and I have no real recourse.

Skip to 2 minutes and 32 seconds But the data has been gathered by somebody else and it is this somebody else who controls it. The data that a site like ratemyprofessors.com gathers, is information that they could sell or rent to third parties that they could do what they wish to with. It is about me but it isn’t mine. And keeping this distinction between who the data is about and who owns that data, is important as we go through our discussions of privacy.

Case Study: Rate My Professor

Speaker: H. V. Jagadish

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This video is from the free online course:

Data Science Ethics

University of Michigan