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date: 21 March 2018

Summary and Keywords

The spiral of silence theory provides insight into the ways in which perceptions of public opinion can lead to changes in opinion expression behavior. Conceptualized in a political communication context, the central claim of the theory is that individuals’ fear of social isolation motivates them to continuously evaluate the climate of opinion through both experiences with the media and interpersonal communication. Upon assessment, individuals either find themselves in a situation where their opinion aligns with the majority or minority. Accordingly, those who find their opinion does not align with the dominant opinion are likely to conceal their opinions while those who find their opinion aligns with the majority are more likely to express them.

Empirical research testing the spiral of silence theory has predominately focused on measurement of focal variables and methods of empirical testing. Advances have been made in regard to micro-level factors, such as creating universally applicable measures of psychological attributes. However, limited work has explored macro-level factors, such as appropriateness of issues, application to computer-mediated communication environments, and tools used to identify circumstances vulnerable to spiral of silence effects. Nonetheless, the practical value of the spiral of silence theory for health and risk communicators can be utilized by modifying campaign efforts to anticipate and counteract fluxes in public opinion.

Keywords: public opinion, fear of isolation, willingness to self-censor, opinion expression, political communication, social media

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