Sociological Theory Formalization with Agent-Based Modeling

Keywords: agent-based model, verbal theory, formal theory, program code

Abstract

Sociologists usually use verbal theories to describe and explain the social phenomena. But formal theories also can be applied for this purpose. There are verbal theories written in formal language. In particular formal theories are important for studying complex systems. Complex systems are dynamic and their behavior changes over time. Verbal theories help us to describe the components of a complex system, their characteristics, actions and interactions but cannot catch changes in the behavior of complex system over time. Agent-based modeling is a method of theoretical analysis of complex systems. Agent-based model is a formal theory presented as a program code. It is applied to explain the behavior of complex system and require a verbal theory. We find out that the middle-range theory is a sociological theory can be presented as an agent-based model. It explains the emergence of macro-level phenomena from the actions and interactions of agents at the micro-level. The middle-range theory explains a limited range of macro-level phenomena and provides partial explanations. It consists of agents, environment and rules. We also propose the stages of middle-range theory formalization. They are relevant for cases when we implement an agent-based model in R and consider it as a function in R. The stages of middle-range theory formalization are: 1) model specification; 2) representation agents characteristics as a program code in R; 3) representation an environment as a program code in R; 4) representation rules as a program code in R; 5) creating a visualization; 6) calculation of numerical indicators; 7) detection and correction of errors in the R code. As a result we get an agent-based model and can conduct computer experiments with it.

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Published
2021-06-28
Section
METHODOLOGY AND METHODS OF SOCIOLOGICAL RESEARCH