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- W2340962927 abstract "Modeling crowd behaviors is an important challenge for in- telligent virtual agents. We propose a general cognitive model of simu- lating crowd behaviors, based on Festinger's Social Comparison Theory (SCT), a prominent social psychology theory. We present the use of the SCT model (using the Soar cognitive architecture) in the generation of imitational behavior in loosely-coupled groups and show that SCT generates behavior more in-tune with human crowd behavior. Existing computer science models of crowd behavior often focus only on a specific phenomenon (e.g., flocking, pedestrian movement), and thus must be switched depending on the goals of the simulation. We propose a novel model of crowd behavior, based on Social Comparison Theory (SCT ) (1), a popular social psy- chology theory. The key idea in this theory is that humans, lacking objective means to evaluate their state, compare themselves to others that are similar. Elsewhere (2), we described the SCT algorithm and showed that SCT covers a variety of pedestrian movement phenomena. In this short abstract we describe the implementation of SCT model in Soar cognitive architecture. We evaluate the use of SCT in the generation of imitational behavior and show that SCT generates behavior more in-tune with human crowd behavior. 2 SCT Implementation in Soar We implemented SCT in the Soar (4). Soar was connected to the GameBots virtual environment (3). SCT was implemented as a secondary parallel thread within Soar. Whereas normally, operators are proposed (and selected) by Soar based on their suitability for a current goal (e.g., through means-end analysis), in our agent operators were also proposed based on their suitability for SCT. The SCT thread proposed operators by following the algorithm described in (2), though in a way that is adopted for Soar's decision cycle: At every cycle, for each observed agent and for each difference with the agent, the SCT process would propose an operator that would minimize the difference. Then, a set of preference rules is triggered that ranks the proposals based on the SCT algorithm. At the end, only one SCT operator is supported." @default.
- W2340962927 created "2016-06-24" @default.
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- W2340962927 date "2007-01-01" @default.
- W2340962927 modified "2023-09-27" @default.
- W2340962927 title "Modeling Imitational Behavior Via Social Comparison Theory (Extended Abstract)" @default.
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