The backfire effect is the hypothesis that presenting citizens with factual information or corrections can paradoxically entrench their false or misinformed beliefs rather than correct them. The phenomenon is attributed to psychological mechanisms like motivated reasoning and worldview defense — when corrections threaten core political or ideological commitments, individuals may defensively reject the correction and hold false beliefs more firmly.
Origins and framing
The term was popularized by Nyhan and Reifler (2010), who observed that when corrections contradicted subjects' political identity or ideology, some groups showed increased belief in the false claim after correction. The idea gained considerable attention in academic and policy circles as a potential explanation for why factual information doesn't always persuade audiences, especially in highly polarized environments.
Empirical status
Recent large-scale empirical studies, notably Wood and Porter (2019), have challenged the robustness of the backfire effect. Across five experiments with 10,100+ subjects and 52 different political issues, Wood and Porter found no evidence of backfire — citizens generally accepted factual corrections even when they contradicted partisan claims. This finding has shifted consensus: backfire may occur in specific, narrow conditions (e.g., high emotional salience, in-group identity threat), but it is not a general phenomenon as initially theorized.
Key papers
- 2019-wood-elusive-backfire-effect — Comprehensive empirical replication finding no backfire across 52 issues and 10,100+ subjects.
- Nyhan & Reifler (2010) — The original backfire effect study (cited in this wiki's context as a canonical reference).
Related topics
- factual-correction (closely related; corrections are the mechanism by which backfire was hypothesized to occur)
- polarization (backfire was often explained via political polarization and motivated reasoning)