In the digital age, truth travels slower than rumor. Fact-checking initiatives can expose misinformation, but they face an unexpected obstacle: those who already believe the falsehoods rarely change their minds. Why doesn’t evidence always win over conviction?
The contemporary information environment has transformed the way societies understand truth. While digital platforms have made access to information faster and broader, they have also enabled the rapid circulation of rumors, conspiracy theories, and politically motivated falsehoods. Fact-checking initiatives have emerged in response to this problem: organizations such as EUfactcheck, Full Fact, and the Spanish platform Maldita work daily to verify claims, contextualize data, and correct misleading narratives. Yet one paradox remains: although fact-checking exposes misinformation, it rarely changes the minds of those who already believe it. The issue is no longer simply about obtaining accurate information but about persuading people who reject it.
Technically, fact-checking works. False claims can be debunked within hours, and corrections are accessible to anyone. During elections, natural disasters, or global health crises, verification is essential. The COVID-19 pandemic made this clear: fact-checkers repeatedly disproved false claims about vaccines, treatments, and transmission. Without their work, uncertainty and fear would have been even more damaging. However, the existence of verified corrections does not guarantee that citizens incorporate them into their beliefs.
The reason lies in psychology. Humans interpret information emotionally rather than rationally. Confirmation bias leads individuals to accept only what aligns with their worldview and to reject anything that challenges it. For many people, misinformation is not simply false data; it can become part of the identity.
A clear example from Spain illustrates this dynamic. During the DANA that hit Valencia, Spain, in 2023, dramatic rumors spread through WhatsApp and social media: audios claiming that a dam had collapsed, fake evacuation warnings, and videos from storms in other countries presented as if they were happening locally. Maldita.es and local authorities disproved these claims within minutes. Yet false messages continued circulating long after the corrections were published. Fear travelled faster than facts. Many citizens trusted anonymous messages more than official sources. In this case, fact-checking revealed the truth but could not neutralize the emotional power of misinformation.
Trust is another crucial factor. Fact-checking assumes that people believe in journalism, scientific institutions, and public authorities. However, trust in the media has been declining across Europe, including in Spain.
Some audiences perceive fact-checkers as politically biased or interpret corrections as part of a hidden agenda. In polarized environments, truth becomes subjective: each side trusts only information that confirms its ideology.
People love gossip, which explains why false news spreads faster than complex or verified information.
Despite these challenges, fact-checking has an important social function. Fact-checking also promotes transparency: it signals that misinformation is being monitored and that public debate still has standards. Without verification, political actors, influencers, and anonymous users could spread lies without consequences. Therefore, even if fact-checking does not change all minds, it restricts the reach of misinformation and reduces its social impact. In my view, the problem is not the absence of truth, but the way it is communicated. False information spreads through emotion and urgency. If fact-checking responds only with complex explanations or technical language, it loses the psychological battle. To be persuasive, corrections must use clear formats, accessible language, and a tone that respects the audience. When someone feels attacked, they stop listening.
People love gossip, which explains why false news spreads faster than complex or verified information. Most online activity happens during leisure time, when users do not want to critically evaluate every post they encounter. The solution is not to blame digital platforms as inherently negative but to focus on how they are used. Algorithms naturally reward emotional or shocking content, but teaching users, especially from a young age, to evaluate sources, question viral messages, and recognize manipulation is far more effective than trying to correct every rumor individually. Media literacy must become a priority: instead of hiding technology, we should educate people to navigate it responsibly. Preventing misinformation through education is far more realistic than repairing the damage once it has already spread.
In conclusion, I think fact-checking is essential for exposing falsehoods and promoting transparency, but facts alone rarely change deeply held beliefs. The real challenge lies in communicating truth effectively and equipping people with the skills to navigate information responsibly. Focusing on education, critical thinking, and media literacy can help ensure that accurate information not only reaches citizens but also has the power to influence their understanding and decisions.
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RESEARCH | ARTICLE © Emma Puigderrajols


