Google Search Snippets Show Contradictory Information, Study Finds via @sejournal, @MattGSouthern

A recent investigation finds that Google’s Featured Snippets may display conflicting information from the same source material, depending on how users phrase their search queries.

This raises concerns about the search engine’s ability to interpret content accurately.

Sarah Presch, director at Dragon Metrics, discovered that Google’s Featured Snippets pull opposing statements from the same articles when users frame questions differently.

For example, searching “link between coffee and hypertension” generates a Featured Snippet highlighting caffeine’s potential to cause blood pressure spikes.

Searching “no link between coffee and hypertension” produces a contradictory snippet from the same Mayo Clinic article stating caffeine has no long-term effects.

Similar contradictions appeared across health topics, political issues, and current events.

The investigation found that asking whether a political candidate is “good” versus “bad” yields dramatically different results despite the fundamental question remaining the same.

Impact On Search Quality

“It’s one big bias machine,” Presch notes, explaining how Google’s algorithms appear to prioritize content that matches user intent rather than providing comprehensive, balanced information.

The findings align with internal Google documents from 2016, where engineers admitted, “We do not understand documents – we fake it.”

While Google maintains these documents are outdated, SEO experts suggest the underlying technical limitations persist.

Presch adds:

“What Google has done is they’ve pulled bits out of the text based on what people are searching for and fed them what they want to read.”

Mark Williams-Cook, founder of AlsoAsked, commented on the findings, stating:

“Google builds models to try and predict what people like, but the problem is this creates a kind of feedback loop. If confirmation bias pushes people to click on links that reinforce their beliefs, it teaches Google to show people links that lead to confirmation bias.”

Implications

These findings have implications for content creators and SEO professionals:

Google’s spokesperson defended the system, stating that users can find diverse viewpoints if they scroll beyond initial results.

The company also highlighted features like “About this result” that help users evaluate information sources.

Recommendations

Based on these findings, publishers should take the following actions:

As Google moves toward becoming an “answer engine” with AI-generated responses, digital marketers and content creators need to understand these limitations.

Featured Image: Song_about_summer/Shutterstock

SEJ STAFF Matt G. Southern Senior News Writer at Search Engine Journal

Matt G. Southern, Senior News Writer, has been with Search Engine Journal since 2013. With a bachelor’s degree in communications, ...