The "Grade my Professor" feature was removed from MySpace several years ago, however many websites that offer similar features are in use today, such as RateMyProfessors.com. Academic research suggests that websites that review professors are likely to have real effects on student decisions about elective classes.
Academic research suggests that use of review websites similar to the original "Grade my Professor" MySpace feature influences the likelihood undergraduate students will choose certain classes. There are also effects on the chances that students would recommend a class to a friend.
Reviews strongly influence people's perceptions of products and services, according to NatCom.org. Therefore, it is reasonable to believe that "Rate My Professor" websites exert an influence on elective class choices.