Mass media and heterogeneous bounds of confidence in continuous opinion dynamics

Pineda, Miguel; Buendı́a, G. M.

doi:10.1016/j.physa.2014.10.089

Cited by 83 publications

(60 citation statements)

References 25 publications

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“…In the classical HK model, each agent selects another agent whose opinion is limited in the confidence bound as communication neighbors [12,25]. An agent then averages his and his neighbors' opinion as his new opinion.…”

Section: Modelmentioning

confidence: 99%

Opinion Dynamics of Social-Similarity-Based Hegselmann–Krause Model

et al. 2017

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The existing opinion dynamics models mainly concentrate on the impact of opinions on other opinions and ignore the effect of the social similarity between individuals. Social similarity between an individual and their neighbors will also affect their opinions in real life. Therefore, an opinion evolution model considering social similarity (social-similarity-based HK model, SSHK model for short) is introduced in this paper. Social similarity is calculated using individual properties and is used to measure the social relationship between individuals. By considering the joint effect of confidence bounds and social similarity in this model, the role of neighbors' selection is changed significantly in the process of the evolution of opinions. Numerical results demonstrate that the new model can not only obtain the salient features of the opinion result, namely, fragmentation, polarization, and consensus, but also achieve consensus more easily under the appropriate similarity threshold. In addition, the improved model with heterogeneous and homogeneous confidence bounds and similarity thresholds are also discussed. We found that the improved heterogeneous SSHK model could acquire opinion consensus results more easily than the homogeneous SSHK model and the classical models when the confidence bound was related to the similarity threshold. This finding provides a new way of thinking and a theoretical basis for the guidance of public opinion in real life.

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Section: Modelmentioning

confidence: 99%

Opinion Dynamics of Social-Similarity-Based Hegselmann–Krause Model

et al. 2017

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“…In this model, one of the Mass Media reflects the dominant cultural state of a given population and influence the other one. The study of social interactions and the presence of a Mass Media was also explored in the context of other models, as for instance, the Deffuant's model ( [17]), the voter model ( [18]), and the Sznadj's model ( [19], [20]).…”

Section: Previous Workmentioning

confidence: 99%

Setting the agenda: Different strategies of a Mass Media in a model of cultural dissemination

Pinto

Balenzuela

Dorso

2016

Physica A: Statistical Mechanics and its Applications

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Day by day, people exchange opinions about a given new with relatives, friends, and coworkers. In most cases, they get informed about a given issue by reading newspapers, listening to the radio, or watching TV, i.e., through a Mass Media (MM). However, the importance of a given new can be stimulated by the Media by assigning newspaper's pages or time in TV programs. In this sense, we say that the Media has the power to "set the agenda", i.e., it decides which new is important and which is not. On the other hand, the Media can know people's concerns through, for instance, websites or blogs where they express their opinions, and then it can use this information in order to be more appealing to an increasing number of people. In this work, we study different scenarios in an agentbased model of cultural dissemination, in which a given Mass Media has a specific purpose: To set a particular topic of discussion and impose its point of view to as many social agents as it can. We model this by making the Media has a fixed feature, representing its point of view in the topic of discussion, while it tries to attract new consumers, by taking advantage of feedback mechanisms, represented by adaptive features. We explore different strategies that the Media can adopt in order to increase the affinity with potential consumers and then the probability to be successful in imposing this particular topic.

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“…Various types of opinion dynamics models in the social¯eld 3,4 have been proposed on how individualopinion is changed by the interaction with others under the in°uence of the news media and other information. [5][6][7][8][9][10] Many of these approaches are the so-called agent-based model whose focuses are to discuss the microscopic feature of the opinion of individual people. [11][12][13] The opinion is in general the subjective cognition or the view of value to a certain matter, whereas the concern or the interest in the matter is clearly di®erent from the opinion.…”

Section: Introductionmentioning

confidence: 99%

Public Interest Immersed in the Field of Information Environment: How has Japanese Interest in Energy and Environmental Problems Varied?

Ohnishi

Shimano

2018

Rep. Adv. Phys. Sci.

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We studied the relevance of the secular variation of Japanese interest in energy and environmental problems to the information primarily released by the news media. From the investigation of the extent of public interest in three matters, the global warming, the energy saving and nature, all indicated by opinion surveys, the number of newspaper articles and the frequency of Internet retrieval search, we proposed a model such that the public interest along with the acquired public knowledge were given as a function of public memory of the information primarily provided by the news media. The society was assumed here to be immersed in a virtual field of information environment, which induced the collective interest of the public and was proportional in strength to the extent of the public memory with oblivion. Introducing two types of oblivion function, we found the model to well reproduce the real time-variation of the Japanese interest, except for the case of nature, almost irrespective to the form of the function. Some comments were made on the attenuation of the public interest that occurred when the field became weakened.

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Mass media and heterogeneous bounds of confidence in continuous opinion dynamics

Cited by 83 publications

References 25 publications

Opinion Dynamics of Social-Similarity-Based Hegselmann–Krause Model

Opinion Dynamics of Social-Similarity-Based Hegselmann–Krause Model

Setting the agenda: Different strategies of a Mass Media in a model of cultural dissemination

Public Interest Immersed in the Field of Information Environment: How has Japanese Interest in Energy and Environmental Problems Varied?

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