Modeling Verbal Judgements

Abstract

In the previous chapter we have outlined the basic structure of a verbal model and its main components: Judgments, rules and qualifiers. This chapter proposes a model, called the dual truth model, to represent verbal judgments through fuzzy logic. Furthermore, the dual truth model permits us to examine more in depth and quantitatively assess the vagueness and ambiguity contained in a verbal judgment. An application of the model to the definition of assessment scale for personnel appraisal is also provided.