Within Platform Incentives
Can one prompt make sharing more careful?
A small reminder to think about accuracy can make people more selective about what they repost next.
On this page
- Why attention often drifts away from truth
- What accuracy nudge experiments found
- Where prompts help and where they fall short
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Introduction
A surprisingly small intervention can make people more careful about what they share online. Research on “accuracy prompts” or “accuracy nudges” shows that asking users to briefly think about whether information is true—before they repost, retweet, forward or share it—can improve the quality of what they choose to spread. The effect matters because many people who share inaccurate content are not necessarily trying to deceive others. Instead, they are often responding to humour, outrage, identity signals, social rewards or speed, with accuracy temporarily pushed into the background. When attention is redirected towards truthfulness at the moment of sharing, users become more selective. [Nature]nature.comaccuracy nudge intervention. Psychol Sci…Read more…
Within debates about shareability incentives on social platforms, accuracy prompts are important because they target the decision point itself. Rather than removing content or judging truth on behalf of users, they attempt to make accuracy more salient when people decide whether to amplify a claim. [PMC]pmc.ncbi.nlm.nih.govPMCNudging Social Media toward AccuracyNIHby G Pennycook · 2022 · Cited by 124 — A meaningful portion of online misinformation sharing is likely attributable to Internet…
Why attention often drifts away from truth
One common assumption is that people share misinformation because they cannot tell what is true. Research suggests a more complicated picture. In many experiments, participants were substantially better at distinguishing true headlines from false ones when asked directly about accuracy than when asked whether they would share the same content online. This gap implies that people often possess relevant judgement but do not consistently apply it during sharing decisions. [Nature]nature.comaccuracy nudge intervention. Psychol Sci…Read more…
The explanation proposed by researchers is not that accuracy becomes irrelevant. Rather, social media environments compete for attention. At the moment of sharing, users may be thinking about:
- Whether a post is funny.
- Whether it supports their group identity.
- Whether it will attract reactions.
- Whether it expresses outrage or solidarity.
- Whether it is interesting enough to pass on quickly.
Accuracy can therefore become one consideration among many instead of the dominant one. According to the “limited-attention” account developed by Gordon Pennycook and colleagues, a meaningful amount of misinformation sharing results from people failing to focus on accuracy when making sharing decisions, even when they care about truth in principle. [PMC]pmc.ncbi.nlm.nih.govPMCNudging Social Media toward AccuracyNIHby G Pennycook · 2022 · Cited by 124 — A meaningful portion of online misinformation sharing is likely attributable to Internet…
This finding is particularly relevant to platforms that reward rapid engagement. If likes, reposts and visibility encourage quick reactions, users may spend less time evaluating whether a claim is reliable before amplifying it. Accuracy prompts are designed to interrupt that pattern. [PNAS]pnas.orgSharing of misinformation is habitual, not just lazy or biasedby G Ceylan · 2023 · Cited by 221 — Habitual sharing of misinformation…
What accuracy-nudge experiments found
The most influential evidence comes from experiments in which participants received a brief prompt unrelated to any specific political claim. In one widely cited study, users were simply asked to evaluate the accuracy of a neutral headline. Afterwards, when they encountered other headlines and were asked what they would share, they became more discerning, showing a stronger preference for sharing true information over false information. [Nature]nature.comaccuracy nudge intervention. Psychol Sci…Read more…
The striking feature of these studies is how lightweight the intervention was. The prompt did not provide fact-checks, long explanations or media-literacy training. It merely shifted attention towards the idea of accuracy. Researchers found that this small change improved the quality of subsequent sharing decisions. [Nature]nature.comaccuracy nudge intervention. Psychol Sci…Read more…
Later work examined whether the effect was robust. A meta-analysis covering 20 experiments and more than 26,000 participants found that accuracy prompts consistently increased “sharing discernment” — the tendency to share true content more than false content. The improvement was driven mainly by reductions in willingness to share false headlines rather than reductions in sharing everything indiscriminately. [Nature]nature.comAccuracy prompts are a replicable and generalizable…by G Pennycook · 2022 · Cited by 356 — Interventions that shift users attent…
Researchers have also explored alternative prompt designs. Some studies found that asking users to actively endorse or rate the accuracy of content can reduce sharing of false stories and, in certain designs, even increase willingness to share true stories. This suggests that not all prompts work in exactly the same way; some may encourage greater selectivity rather than simply greater caution. [PMC+2Sage Journals]pmc.ncbi.nlm.nih.govPMC“I Think This News Is Accurate”: Endorsing Accuracyby V Capraro · 2022 · Cited by 58 — Accuracy prompts, nudges that make accuracy salient, typically decrease the sharing of fake news…
Why such a small prompt can work
The effectiveness of accuracy prompts can seem counterintuitive. If misinformation is a major social problem, why would a simple reminder make any difference?
The answer appears to be that many sharing decisions are made quickly and with incomplete attention. An accuracy prompt changes the mental question being asked. Instead of unconsciously focusing on “Will people react to this?” users become slightly more likely to ask “Is this actually true?” [PMC]pmc.ncbi.nlm.nih.govPMCNudging Social Media toward AccuracyNIHby G Pennycook · 2022 · Cited by 124 — A meaningful portion of online misinformation sharing is likely attributable to Internet…
Several mechanisms may contribute:
- Attention redirection: The prompt moves accuracy from the background to the foreground of the decision process. [PMC]pmc.ncbi.nlm.nih.govPMCNudging Social Media toward AccuracyNIHby G Pennycook · 2022 · Cited by 124 — A meaningful portion of online misinformation sharing is likely attributable to Internet…
- Momentary reflection: Users slow down enough to consider evidence or plausibility before sharing. [Sage Journals]journals.sagepub.comSage JournalsEndorsing Accuracy Decreases the Sharing of Fake News…by V Capraro · 2023 · Cited by 59 — Accuracy prompts, nudges that m…
- Norm signalling: The platform implicitly communicates that truthfulness matters, not only engagement. [Misinformation Review]misinforeview.hks.harvard.edudeveloping an accuracy prompt toolkit to reduce covid 19 misinformation onlineMisinformation ReviewDeveloping an accuracy-prompt toolkit to reduce COVID…by Z Epstein · 2021 · Cited by 139 — Here we focus on reduc…
- Habit interruption: Repeated sharing routines can become automatic; prompts create friction that breaks automatic behaviour. [PNAS]pnas.orgSharing of misinformation is habitual, not just lazy or biasedby G Ceylan · 2023 · Cited by 221 — Habitual sharing of misinformation…
In this sense, accuracy prompts are less about teaching new knowledge and more about helping people apply knowledge they already possess.
Where platforms might place prompts
Implementation choices matter because the intervention depends on timing.
Researchers and platform designers have explored several possibilities:
- Showing a brief accuracy question before a user shares a link.
- Asking users to rate whether a headline seems accurate.
- Presenting a checklist of reasons supporting or undermining a claim.
- Requesting a short explanation of why content appears trustworthy.
- Running periodic prompts that remind users to consider accuracy before posting. [Misinformation Review]misinforeview.hks.harvard.edudeveloping an accuracy prompt toolkit to reduce covid 19 misinformation onlineMisinformation ReviewDeveloping an accuracy-prompt toolkit to reduce COVID…by Z Epstein · 2021 · Cited by 139 — Here we focus on reduc…
Experiments with posting-time interventions suggest that requiring even lightweight evaluation can reduce intentions to share false content. More demanding prompts may sometimes achieve larger effects, although they also introduce more friction and may discourage participation.
The implementation challenge is therefore balancing effectiveness with user experience. A prompt that appears too often may be ignored. A prompt that is too intrusive may frustrate users. A prompt that is too weak may fail to redirect attention.
Where prompts help and where they fall short
Accuracy prompts have produced encouraging results, but they are not a complete solution to misinformation.
First, they work best against unintentional sharing. If a user knowingly spreads false information for political, financial or ideological reasons, a reminder about accuracy may have limited influence. The intervention assumes that at least some users care about truth and simply need help keeping it in mind. [PMC]pmc.ncbi.nlm.nih.govPMCNudging Social Media toward AccuracyNIHby G Pennycook · 2022 · Cited by 124 — A meaningful portion of online misinformation sharing is likely attributable to Internet…
Second, the size of the effect varies across contexts. Although multiple studies have replicated the basic finding, researchers continue to investigate how well it generalises across countries, languages, cultures and platform designs. Recent cross-national work suggests that accuracy nudges can operate beyond the original US-focused studies, but effectiveness is not identical in every setting. [OUP Academic]academic.oup.comOUP AcademicA cross-national examination of the effects of accuracy nudges…by M Chan · 2025 · Cited by 8 — The belief in and spread of…
Third, prompts address attention rather than the broader incentive structure. If a platform continually rewards sensational content with visibility and engagement, a reminder about accuracy may help, but it does not remove the underlying pressures that make attention-grabbing content attractive to share. Studies on misinformation habits suggest that long-term behaviour is shaped by repeated reward systems, not just isolated decisions. [PNAS+2PubMed]pnas.orgSharing of misinformation is habitual, not just lazy or biasedby G Ceylan · 2023 · Cited by 221 — Habitual sharing of misinformation…
Finally, excessive friction can have trade-offs. Some interventions reduce sharing overall, including some true information. Designers therefore need to consider whether a prompt improves discernment specifically or merely discourages activity in general. [Nature]nature.comAccuracy prompts are a replicable and generalizable…by G Pennycook · 2022 · Cited by 356 — Interventions that shift users attent…
What accuracy prompts reveal about critical thinking online
The broader lesson is not that one pop-up can solve misinformation. It is that critical thinking often depends on what captures attention at the moment a decision is made.
Accuracy-prompt research suggests that many users already value truth more than their online behaviour sometimes indicates. When social environments highlight popularity, emotion and engagement, accuracy can be crowded out. When a platform briefly redirects attention towards truthfulness, sharing behaviour becomes more selective. [Nature+2PMC]nature.comaccuracy nudge intervention. Psychol Sci…Read more…
That finding carries an important implication for the age of social media and AI. Improving information quality may require more than teaching people how to evaluate claims. It may also require designing sharing environments that make accuracy easier to remember when it matters most: just before information is amplified. [Misinformation Review+2IDEAS/RePEc]misinforeview.hks.harvard.edudeveloping an accuracy prompt toolkit to reduce covid 19 misinformation onlineMisinformation ReviewDeveloping an accuracy-prompt toolkit to reduce COVID…by Z Epstein · 2021 · Cited by 139 — Here we focus on reduc…
Amazon book picks
Further Reading
Books and field guides related to Can one prompt make sharing more careful?. Use these as the next step if you want deeper reading beyond the article.
Calling Bullshit
Teaches practical habits that mirror the goal of accuracy prompts: slowing down and evaluating claims.
Factfulness
Demonstrates how intuitive reactions can mislead and how evidence improves judgement.
Thinking, Fast and Slow
Provides the cognitive framework behind why simple prompts can change decisions.
Scout Mindset
First published 2021. Subjects: Economics, Psychology, Cognition, Skepticism, Critical thinking.
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Example marketplace items related to this page. Use the search link to explore similar finds on eBay.
Endnotes
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Additional References
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Accuracy prompts are a replicable and generalizable...14 Apr 2022 — Accuracy prompts increased the quality of news that people share (sh...
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Accuracy PromptsBy calling their attention to accuracy, users will be more apt to discern if a news item is misinformation and less likel...
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Sharing misinformation is habitual, not just lazy or biased13 Feb 2023 — A new study has found that people habitually share misinformatio...
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ResearchGate(PDF) “I Think This News Is Accurate”: Endorsing Accuracy...argue that endorsing accuracy may work by making people more car...
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