Evaluating Students' Answerscripts Using Fuzzy Numbers Associated With Degrees of Confidence

Authors:
Hui-Yu Wang;Shyi-Ming Chen
Affiliations:
Nat. Chengchi Univ., Taipei;-
Venue:
IEEE Transactions on Fuzzy Systems
Year:
2008

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Abstract

This paper presents a new approach for evaluating students' answerscripts using fuzzy numbers associated with degrees of confidence of the evaluator. The satisfaction levels awarded to the questions of students' answerscripts are represented by fuzzy numbers associated with degrees of confidence between zero and one. The arithmetic operations between the alpha-cuts of fuzzy numbers are used to evaluate the total mark of each student, where alpha isin [0,1]. The proposed method can overcome the drawbacks of the methods presented by Biswas (1994) and Chen and Lee (1999). It can evaluate students' answerscripts in a more flexible and more intelligent manner.