A bias derived from the Scientific Slippery Slope that treats non‑scientific ideas as infectious diseases that spread from mind to mind, with the first exposure acting as a “carrier” that infects the host and makes them susceptible to further infection. Contagion Bias often appears in discussions about media literacy or education, where any curriculum that includes non‑scientific content is framed as a “vector” spreading irrationality. It ignores that ideas are not diseases; people evaluate, filter, and selectively adopt beliefs based on context, community, and personal values.
Example: “She argued that even mentioning astrology in class would contaminate students’ minds—Contagion Bias treating a cultural concept as a pathogen that requires quarantine.”
by Dumu The Void March 25, 2026
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