ENVIRONMENTAL SCIENCE
Online ISSN : 1884-5029
Print ISSN : 0915-0048
ISSN-L : 0915-0048
A Dynamical Model Study on Environmental Opinion and Attitudes Formation
Hidehumi IMURATohru FUTAWATARIKoji OIIIRA
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1993 Volume 6 Issue 4 Pages 335-342

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Abstract
Fundamental changes in the public's awareness and attitudes toward the environment are required for solving environmental problems which have become more and more globalized. People's awareness and attitudes are influenced by various factors such as interaction among members of the group ("internal interaction") and forces exerted from the outside to the group ("external forces"), etc. In this study, a mathematical model to describe such processes of changing public opinion and attitudes is presented based on a cell dynamical systems model. Here, the characteristics of the society under consideration are described by three parameters, i. e., self-assurance parameter a, mutual interaction parameterβ, and the responsiveness parameter y. Simulation analysis is conducted by changing the parameter values. In the case where members have a strong tendency of self-assurance, the distribution of individual opinions will be in a widely disposed multi-modal situation. On the other hand, when such tendency is weak, it is sharply peaked at a pro-environmental point. The interaction parameter governs the correlation among individual opinions in the group. If individual members are responsive to external forces, then the distribution of individual opinions tends to be biassed.
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© Society of Environmental Science, japan
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