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Modeling the conditions for the emergence of extremism is a very importantproblem, with clear applications for describing the interaction amongindividuals. Traditional models either are not suited for the task, as in thecase of discrete models, or, like Bounded Confidence models, are built withrules that make opinions tend to a common ground between agents or not changeat all. Continuous Opinions and Discrete Actions (CODA) model allowed us toobserve the emergence of extremist agents, even when every agent was initiallya moderate, due to local influence effects. In this paper, the problem ofemergence of extremism will be addressed by introducing a middle discreteoption in the CODA model, making it similar to a Potts model. Differentscenarios for the third option will be discussed: when it is equivalent towithholding judgment, when it is a real third option and when it is a real,middle option. The effects on the opinions will be studied and its effects onextremism discussed. Withholding judgment seems to have an unexpected effect,causing the diminishing of moderate opinions in the long run. For a centralthird opinion, we find that, under specific conditions, this new choice can actas a buffer between the extreme choices.

A middle option for choices in the Continuous Opinions and Discrete Actions model