Abstract
Abstract Purpose Opinions continuously evolve in society. While conservative ideas may get replaced by a new one, some views remain immutable. Opinion formation and innovation diffusion have witnessed lots of attention in the last decade due to its widespread applicability in the diverse domain of science and technology. We analyse these scenarios in which interactions at the micro level results in the changes in opinions at the macro level in a population of predefined ideological groups. Methods We use the Bass model, otherwise well known for understanding innovation diffusion phenomena, to compute adoption probabilities of three opinion states-zealot, extremists and moderates. Thereafter, we employ cellular automata to explore the emergence of opinions through local and overlapped interactions between agents (people). NetLogo environment has been used to develop an agent-based model, simulating different ideological scenarios. Results Simulation results validate a critical proportion of committed individuals as a plausible basis for ideological shifts in societies. The analysis elucidates upon the role of moderates in the population and emergence of varying opinions. The results further delineate the role of evangelism through social and non-social methods in propagating views. Conclusion The results obtained from these simulations endorse the conclusions reported in previous studies regarding the role of a critical zealot population, and the preponderance of non-social influence. We, however, use two-phase opinion model with different experimental settings. Additionally, we examine global observable, such as entropy of the system to reveal common patterns of adoption in the views and evenness of population after reaching a consensus.
Highlights
Civilizations change over the time, and so does its ideologies
The results obtained from these simulations endorse the conclusions reported in previous studies regarding the role of a critical zealot population, and the preponderance of non-social influence
Without external influence and zealots of new ideology Population size Initially, we investigate the effect of varying the initial population of A(A + zealots of A (ZA)) and B on the model dynamics
Summary
Civilizations change over the time, and so does its ideologies. New beliefs are introduced in the society, which at times sharply contradict the previous convictions. Diverse opinions exist in the competitive state with an original opinion at a prospect of being replaced by new one. Cultural trends, ideological conversions, product adoption, are examples of opinion formation. Adoption of views depends on various intrinsic and extrinsic factors (Young 2009). Sharma et al Complex Adapt Syst Model (2016) 4:16
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