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Fact check: How does Ground News determine media bias?

Checked on July 31, 2025

1. Summary of the results

Ground News determines media bias through a systematic aggregation approach using three independent news monitoring organizations: All Sides, Ad Fontes Media, and Media Bias Fact Check [1] [2]. The platform does not independently rate news organizations on their political bias, instead relying entirely on these third-party independent organizations to monitor and rate news publishers [1].

The bias determination process involves several key components:

  • Averaging methodology: The bias ratings are based on the average rating of the three monitoring organizations [2]
  • Assessment criteria: The ratings take into consideration factors like wording, story choices, and political affiliation [1] [2]
  • Evaluation methods: The third-party organizations use editorial reviews, blind bias surveys, independent reviews, and third-party research [3] [2]
  • Scale system: Ground News labels each article with one of seven bias ratings based on the average bias rating of the publishing news outlet [1]

The platform processes over 30,000 news articles each day and applies these bias ratings in real-time [1]. The ratings are updated on an ongoing basis and are contextualized within the U.S. political system [2]. Ground News uses these ratings to create visual tools like the Bias Bar, which highlights how news stories are covered across the political spectrum [4].

2. Missing context/alternative viewpoints

The analyses reveal several important contextual elements not addressed in the original question:

  • U.S.-centric perspective: The bias analysis is done specifically in the context of the U.S. political system [2], which may limit its applicability to international news sources or global perspectives
  • Dependency on third parties: Ground News's complete reliance on external organizations means their bias determinations are only as accurate as these third-party assessments [1]
  • Volume and automation: The platform's processing of over 30,000 articles daily suggests a largely automated system that may not account for nuanced contextual factors [1]

Alternative approaches to bias determination exist in the media literacy landscape, as suggested by the broader ecosystem of fact-checking websites and resources that use different methodologies [5] [6] [7]. However, the specific methodologies of competing platforms are not detailed in the provided analyses.

3. Potential misinformation/bias in the original statement

The original question "How does Ground News determine media bias?" contains no apparent misinformation or bias. It is a straightforward factual inquiry about Ground News's methodology. The question is neutral and seeks information rather than making claims that could be verified or disputed.

The question appropriately focuses on the platform's methodology without making assumptions about its effectiveness or accuracy, allowing for an objective explanation of their process based on available information.

Want to dive deeper?
What algorithms does Ground News use to detect media bias?
How does Ground News categorize left-leaning vs right-leaning news sources?
Can Ground News detect bias in opinion-based news articles?
How often does Ground News update its media bias ratings?
What is the difference between Ground News and other media bias detection tools?