Resumen de Decision making using rating systems: : when scale meets binary

Anna Bargagliotti, Lingfang Li

• ABSTRACT This article investigates how different decisions can be reached when decision makers consult a binary rating system and a scale rating system. Since typically decision makers use rating information to make binary decisions, it is particularly important to compare the scale system to the binary system. We show that the only N-point scale system that reports a rater's opinion consistently with the binary system is one where N is odd and [ABSTRACT FROM AUTHOR]