fake news
Definition
Fake news refers to false or misleading content that circulates within information ecosystems and carries measurable consequences for individual behavior and broader societal outcomes. Research has examined it primarily as a sharing behavior rather than a belief, with personality traits such as conscientiousness shown to reduce the likelihood that politically conservative individuals will share false stories, though this effect varies substantially depending on how ideology is measured and which news stimuli are selected. A distinct subgroup, low-conscientiousness conservatives, accounted for 34.9% of all fake news shares in one large re-analysis despite representing only 16.8% of the sampled population, suggesting that concentrated behavioral profiles drive disproportionate spread. Whether fake news functions as a cause of harmful societal outcomes or merely as a symptom of underlying conditions remains contested, a question that formal counterfactual frameworks of causal inference are better positioned to resolve than traditional laboratory designs alone.
Sources: Lawson & Kakkar (2024), Tay et al. (2024)
Related Terms
- misinformation (3 shared articles)
- interventions (2 shared articles)
- causal inference (1 shared article)
- methodological triangulation (1 shared article)
- conspiracy theory (1 shared article)
- metascience (1 shared article)
- conscientiousness (1 shared article)
- disinformation (1 shared article)
- conspiracy theories (1 shared article)
- resilience (1 shared article)
Applications
Fake News and Conscientiousness
Conscientiousness is a negative predictor of fake news sharing, with a meta-analytic correlation of r = .22 across seven studies, though the relationship is highly heterogeneous (I² = 99.1%). The trait moderates the positive association between right-wing political ideology and sharing behavior, meaning that higher conscientiousness attenuates, but does not reverse, the tendency of ideologically conservative individuals to spread false content. This moderation holds for some ideology measures, particularly partisanship indicators such as warmth toward Republicans, but not for others, making the choice of ideology operationalization a consequential methodological decision.
Sources: Lawson & Kakkar (2024)
Fake News and Causal Inference
A central unresolved question in fake news research is whether exposure to false content causally produces harmful individual or societal outcomes, or whether observed associations reflect confounding by prior beliefs and media environments. Standard laboratory experiments and observational studies have dominated the field, but both carry limitations: experiments face ethical and external-validity constraints, while observational designs risk unjustified causal conclusions. Instrumental variable analysis, regression discontinuity design, difference-in-differences, and synthetic control methods offer underutilized alternatives for drawing causal inferences from natural experiments when randomized manipulation of fake news exposure is not feasible.
Sources: Tay et al. (2024)
Fake News and Political Ideology
Political ideology, and particularly Republican party identification, has consistently predicted fake news sharing in earlier samples, though this relationship has shown inconsistent effects in more recent data. The operationalization of ideology matters considerably: measures must be positively correlated with sharing overall for a moderation by conscientiousness to be detectable, and many ideology measures used across studies fail to meet this condition, which explains a significant portion of the contradictory findings in the literature. Partisanship measures such as warmth toward Republicans produced the most consistent moderation effects, whereas broader ideological self-placement measures did not.
Sources: Lawson & Kakkar (2024)





