Modeling of Collective Evacuation Behavior with Conformity Bias and Passivity-based Nudging Design

Abstract

In this paper, we address a decision making model of evacuation behavior. First, we introduce an individual evacuation model with conformity bias. Next, the evacuation model is expanded to the one as population. By focusing on the statics, we compare the conformity bias model with a previous one dealt with in general population decision making, and investigate similarities and differences between these two models. In addition, we clarify the impact of the conformity bias to dynamic evacuation behavior in terms of passivity. Finally, we present a passivity-based nudging mechanism for the evacuation behavior.