Document Type

Article

Publication Date

2016

Publication Title

International Journal of Communication

ISSN

1932-8036

Volume

10

First Page

4550

Last Page

4569

Abstract

In a world of big data, with more information at the audience’s fingertips than ever, gatekeepers such as media and political parties still play a huge role in mediating issues to the general public. Recognizing this issue, this study investigated the first and second levels of intermedia agenda setting between political advertisements, newspapers, and Twitter postings (tweets) about Barack Obama and Mitt Romney during the 2012 U.S. presidential election. A series of computerized content analyses with ARIMA time-series modeling were employed. Our findings will extend agenda-setting theory to the social media environment.

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