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@Article{csr11,
 author={Natalie Fridman and Gal A. Kaminka},
 title = {Towards a Computational Model of Social Comparison: Some Implications for the Cognitive Architecture},
 journal = { Cognitive Systems Research },
 year = {2011},
OPTkey = {},
volume = {12},
number = {2},
pages = {186--197},
OPTmonth = {},
  doi = {  10.1016/j.cogsys.2010.08.002 },
  wwwnote = {}, 
OPTannote = {},
 abstract =  { We investigate a general cognitive model of group behaviors, based on Festinger's social 
comparison theory (SCT), a prominent social psychology theory. We describe two possible implementations of SCT  process at an architectural level, on the basis of the Soar cognitive architecture. The first, which seems to follow  directly from Festinger's social comparison theory, treats the SCT process as an uncertainty-resolution method. The second, takes a different approach, in which an SCT process is constantly active, in parallel to any problem solving  activity. We present the implementation of these approaches in the Soar cognitive architecture and argue that one  is more suitable for modeling crowd behaviors. In 
previous work, we have shown that SCT covers a variety of pedestrian 
movement phenomena. In this paper we present the use of the SCT model in generation of imitational behavior in 
loosely-coupled groups. Based on experiments with human subjects, we show that SCT generates behavior 
in-tune with human crowd behavior. }
}