Cognitive Blind Spots: An Exploration of How Belief Perseverance Influences Organic Food Perceptions

Belief perseverance poses a significant challenge to health marketing campaigns seeking to correct consumer misconceptions. This study explores why consumers persist in inaccurate health-related beliefs despite exposure to substantial disconfirming evidence. Using a survey and qualitative assessment of 153 undergraduate and graduate students, we measured subjective beliefs about organic food benefits before and after presenting factual evidence that contradicted those beliefs. Thematic analysis of open-ended responses identified five distinct subsets of belief perseverance, i.e. Discreditors, Debaters, Skeptics, Upholders, and Fencers, each exhibiting different cognitive and emotional rationales for resisting belief change. Findings reveal that emotional attachment and motivated reasoning often override rational processing, limiting the effectiveness of purely informational interventions. The study provides practical recommendations for health marketers, including the use of affirmation framing, credible message sources, and adaptive corrective strategies tailored to consumer typologies. Implications are discussed for designing campaigns to overcome belief perseverance and promote positive health behavior change.