Fuzzy Grading System

Authors:
J. R. Echauz;G. J. Vachtsevanos
Affiliations:
Sch. of Electr. Eng., Georgia Inst. of Technol., Atlanta, GA;-
Venue:
IEEE Transactions on Education
Year:
1995

Citing 0
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Abstract

The difficulties associated with translating a set of scores into letter-grades are discussed. A novel method for automating this process, the Fuzzy Grading System, is developed and compared to traditional practices. Letter-grades are recognized to be fuzzy descriptors of students' performance. Thus, operations aimed at defining letter-grade boundaries are naturally carried out in the context of fuzzy set theory and logic. The Fuzzy Grading System utilizes students' and instructor's performance measures in order to modify a set of collectively approved, a priori fuzzy grades, so as to produce a “fair” mark distribution. The validity of grades is increased by compensating for factors that are not directly accessible to simpler, traditional grading methods