Can Social Norms Explain Long-Term Trends in Alcohol Use? Insights from Inverse Generative Social Science

Tuong Manh Vu (), Charlotte Buckley (), João A. Duro (), Alan Brennan (), Joshua M. Epstein () and Robin Purhouse ()
Additional contact information
Tuong Manh Vu: https://www.sheffield.ac.uk/scharr/sections/heds/staff/vu_t
João A. Duro: https://jduro.ddns.net/
Alan Brennan: https://www.shef.ac.uk/scharr/sections/heds/staff/brennan_a
Joshua M. Epstein: https://publichealth.nyu.edu/faculty/joshua-epstein

Journal of Artificial Societies and Social Simulation, 2023, vol. 26, issue 2, 4

Abstract: Social psychological theory posits entities and mechanisms that attempt to explain observable differences in behavior. For example, dual process theory suggests that an agent's behavior is influenced by intentional (arising from reasoning involving attitudes and perceived norms) and unintentional (i.e., habitual) processes. In order to pass the generative sufficiency test as an explanation of alcohol use, we argue that the theory should be able to explain notable patterns in alcohol use that exist in the population, e.g., the distinct differences in drinking prevalence and average quantities consumed by males and females. In this study, we further develop and apply inverse generative social science (iGSS) methods to an existing agent-based model of dual process theory of alcohol use. Using iGSS, implemented within a multi-objective grammar-based genetic program, we search through the space of model structures to identify whether a single parsimonious model can best explain both male and female drinking, or whether separate and more complex models are needed. Focusing on alcohol use trends in New York State, we identify an interpretable model structure that achieves high goodness-of-fit for both male and female drinking patterns simultaneously, and which also validates successfully against reserved trend data. This structure offers a novel interpretation of the role of norms in formulating drinking intentions, but the structure's theoretical validity is questioned by its suggestion that individuals with low autonomy would act against perceived descriptive norms. Improved evidence on the distribution of autonomy in the population is needed to understand whether this finding is substantive or is a modeling artefact.

Keywords: Agent-Based Modelling; Psychosocial Mechanisms of Alcohol Use; Inverse Generative Social Science (search for similar items in EconPapers)
Date: 2023-03-31
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