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Abstract
Qualitative judgments play an important role in decision making under uncertainty by providing plausible interpretations and justifications for various belief measures. This paper presents some new results and a critical review on qualitative judgments, which extends the initial investigation of de Finetti and Savage on qualitative probability, the work of Dubois on qualitative necessity/possibility, and the study of Wong et. al. on qualitative belief/plausibility. The results of this study not only complement the analysis on quantitative belief measures, but also lay the ground work for developing a utility theory with non-additive belief measures.