On the nature of real and perceived bias in the mainstream media
| dc.contributor.author | Elejalde, Erick | |
| dc.contributor.author | Ferres, Leo | |
| dc.contributor.author | Herder, Eelco | |
| dc.date.accessioned | 2019-07-18T20:36:01Z | |
| dc.date.available | 2019-07-18T20:36:01Z | |
| dc.date.issued | 2018 | |
| dc.description.abstract | News consumers expect news outlets to be objective and balanced in their reports of events and opinions. However, there is a growing body of evidence of bias in the media caused by underlying political and socio-economic viewpoints. Previous studies have tried to classify the partiality of the media, but there is little work on quantifying it, and less still on the nature of this partiality. The vast amount of content published in social media enables us to quantify the inclination of the press to pre-defined sides of the socio-political spectrum. To describe such tendencies, we use tweets to automatically compute a news outlet’s political and socio-economic orientation. Results show that the media have a measurable bias, and illustrate this by showing the favoritism of Chilean media for the ruling political parties in the country. This favoritism becomes clearer as we empirically observe a shift in the position of the mass media when there is a change in government. Even though relative differences in bias between news outlets can be observed, public awareness of the bias of the media landscape as a whole appears to be limited by the political space defined by the news that we receive as a population. We found that the nature of the bias is reflected in the vocabulary used and the entities mentioned by different news outlets. A survey conducted among news consumers confirms that media bias has an impact on the coverage of controversial topics and that this is perceivable by the general audience. Having a more accurate method to measure and characterize media bias will help readers position outlets in the socio-economic landscape, even when a (sometimes opposite) self-declared position is stated. This will empower readers to better reflect on the content provided by their news outlets of choice. | |
| dc.format.extent | 28 p. | |
| dc.identifier.citation | PLOS ONE, March 2018, 28 p. | |
| dc.identifier.uri | http://hdl.handle.net/11447/2531 | |
| dc.identifier.uri | https://doi.org/10.1371/journal.pone.0193765 | |
| dc.language.iso | en | |
| dc.subject | News | |
| dc.subject | Media | |
| dc.subject | Consumers | |
| dc.subject | Objectivity | |
| dc.subject | Chile | |
| dc.title | On the nature of real and perceived bias in the mainstream media | |
| dc.type | Article |
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