The Zaller model of mass opinion with interactions

Krzysztof Kułakowski ,  Piotr Gronek 

AGH University of Science and Technology, Faculty of Physics and Applied Computer Science (AGH), Mickiewicza 30, Kraków 30-059, Poland

Abstract

We consider the Zaller model of public opinion, known as the Receipt-Accept-Sample model [1]. Recently the model was reformulated [2] in a 2-dimensional space of political issues, in conceptual accordance with the Deffuant theory [3]. In this formulation, the only parameter was the largest possible ideological distance a, which can be made by a citizen in one mental step. Main result was that citizens with small a are more prone to extremal opinions. In accordance to the initial formulation by Zaller, the model dealt with citizens subjected to a stream of political news, but an interaction between citizens was not taken into account. Here we generalize the model as to include this interaction within a model social network.

 

[1] J. R. Zaller, The Nature and Origin of Mass Opinion, Cambridge UP, Cambridge 1992.

[2] K. Kułakowski, Physica A 388 (2009) 469.

[3] G. Deffuant, D. Neau, F. Amblard, G. Weisbuch, Adv. Complex Systems 3 (2000) 87.

 

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Presentation: Oral at 4 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych", by Krzysztof Kułakowski
See On-line Journal of 4 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

Submitted: 2009-03-09 17:14
Revised:   2009-06-07 00:48