The social demand not only to educate, but also to classify students according to their qualifications, makes the student assessment one of the most important components of the educational process. Fuzzy logic, due to its nature of characterizing a case with multiple values, offers reach resources for the assessment purposes.This gave us several times in past the impulse to apply principles of fuzzy logic for assessing human skills using as tools the corresponding system's total uncertainty, the COG defuzzification technique and recently developed variations of it.In the present paper we use the Triangular Fuzzy Numbers (TFNs) as an alternative tool for the same purpose and we compare this approach with the assessment methods of the bivalent and fuzzy logic that we have already used inearlier works.
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