Simulating hidden dynamics
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Keywords

Agent-Based Modeling
Simulation
Linkage analysis
Panel data
Media Effects

How to Cite

Wettstein, M. (2020). Simulating hidden dynamics. Computational Communication Research, 2(1), 1-33. Retrieved from https://computationalcommunication.org/ccr/article/view/17

Abstract

Linkage analyses use data from panel surveys and content analyses to assess media effects under field conditions and are able to close the gap between experimental and survey-based media effects research. Results from current studies and simulations indicate, however, that these studies systematically under-estimate real media effects as they aggregate measurement errors and reduce the complexity of media content. In response to these issues, we propose a new method for linkage analysis which applies agent-based simulations to directly assess short-term media effects using empirical data as guideposts.

Results from an example study modeling opinion dynamics in the run-up of a Swiss referendum show that this method clearly outperforms traditional regression-based linkage analyses in detail and explanatory power. In spite of the time-consuming modeling and computation process, this approach is a promising tool to study individual media effects under field conditions.

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