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Collective, cultural biases about the nature and authority of encyclopedias as a format. The dominant metabias is the Codification Equals Truth Heuristic: the deep-seated belief that information which has undergone the formal, editorial process of encyclopedic publication is more valid, significant, and "real" than knowledge found elsewhere. This leads to the Static Knowledge Fallacy—the assumption that because encyclopedias are updated slowly, the knowledge they contain is stable and perennial, rather than a snapshot of a specific scholarly moment. These metabiases grant encyclopedias an unwarranted epistemological privilege, shaping how society defines what "counts" as legitimate knowledge.
Cognitive Metabiases of Encyclopedia Example: In a debate, someone declares, "It must be true—I read it in the Encyclopedia Britannica!" This statement is powered by a Cognitive Metabias of Encyclopedia. The speaker is not just citing a source; they are invoking the cultural authority of the format itself. They believe the encyclopedia's editorial gatekeeping makes it a more reliable arbiter of truth than a dynamic, contested academic database or primary source, privileging institutional vetting over content verifiability.
by Abzugal Nammugal Enkigal February 4, 2026
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Logic Metabiases

Second-order biases about logic itself—biases in how we evaluate, teach, and apply logical systems. Logic Metabiases include: treating classical logic as the baseline and others as deviations; assuming logical skill is innate rather than learned; using logic to police rather than to understand; believing that more logic always leads to better thinking; assuming logical people are less biased. Logic Metabiases are biases about logic's role, value, and nature—not biases in logical reasoning, but biases in how we relate to logic as a practice.
Logic Metabiases "He thinks studying logic makes him objective. That's Logic Metabias—confusing logical training with freedom from bias. Logic is a tool; using it doesn't make you unbiased—it just gives you a particular kind of training. The metabias is thinking logic is above bias, when it's actually one of the places bias hides best."
by Dumu The Void March 1, 2026
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Rational Metabiases

Second-order biases about rationality itself—systematic distortions in how we understand, value, and deploy rationality. Rational Metabiases include: assuming rationality is universal rather than culturally specific; treating your tradition of rationality as Rationality itself; believing that more rationality always improves decisions; using "rational" as a term of approval for views you already hold; ignoring the rationality embedded in practices that don't look rational to you. Rational Metabiases shape not just how we reason, but how we think about reasoning itself.
Rational Metabiases "He calls himself 'rational' and others 'emotional.' That's Rational Metabias—using rationality as an identity marker, not a practice. His rationality isn't neutral; it's a particular tradition with its own assumptions. The metabias is thinking your rationality is the rationality, not one rationality among many."
by Dumu The Void March 1, 2026
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Reason Metabiases

Second-order biases about reason as a faculty, practice, and ideal. Reason Metabiases include: treating reason as a possession rather than a process; assuming reason is separate from culture, history, or embodiment; using "reason" as a gatekeeping concept to exclude non-dominant ways of knowing; believing that reason's authority is self-evident; ignoring the ways reason itself is constructed and contested. Reason Metabiases are what happen when reason becomes an idol—worshipped rather than used, defended rather than examined.
Reason Metabiases "He keeps saying 'just use reason' as if reason were simple, universal, and his. That's Reason Metabias—treating his particular reasoning tradition as Reason itself. Reason isn't a thing you have; it's a practice you learn. The metabias is thinking your practice is the practice, not one among many."
by Dumu The Void March 1, 2026
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Science Metabiases

Second-order biases about science—systematic distortions in how we understand, value, and critique scientific practice. Science Metabiases include: treating science as monolithic rather than diverse; assuming scientific consensus is always right; using "science says" as an argument-ender; believing that science is self-correcting in ways that eliminate bias; ignoring the social, historical, and institutional dimensions of science; treating critiques of science as anti-science. Science Metabiases shape public understanding of science and scientists' understanding of themselves.
Science Metabiases "He says 'science proves it' as if science were a unified oracle. That's Science Metabias—treating science as a monolith, not a messy human activity. Science is diverse, contested, evolving. The metabias is thinking 'science' settles arguments when it actually opens inquiries. Science isn't a conclusion; it's a process—and metabias makes us forget that."
by Dumu The Void March 1, 2026
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Scientific Metabiases

Second-order biases within scientific practice—how scientists think about their own biases, methods, and assumptions. Scientific Metabiases include: believing that method eliminates bias rather than just channeling it; assuming peer review catches everything; treating replication as a cure-all rather than another site of bias; thinking that quantification ensures objectivity; believing that awareness of bias makes you immune. Scientific Metabiases are the blind spots in science's self-understanding—the ways scientists misrecognize their own practice.
Scientific Metabiases "We have peer review, so we're objective!" That's Scientific Metabias—confusing a process with a guarantee. Peer review has its own biases; it doesn't eliminate them. The metabias is thinking institutional procedures make you bias-free, when they just change where the bias lives. Science is human; metabias is forgetting that."
by Dumu The Void March 1, 2026
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Evidence Metabiases

Second-order biases about evidence—systematic distortions in how we define, value, and interpret evidence. Evidence Metabiases include: treating some forms of evidence (quantitative) as real and others (qualitative, experiential) as anecdotal; assuming more evidence always means better understanding; believing that evidence speaks for itself; ignoring that evidence is always interpreted; using "evidence-based" as a magic phrase that ends discussion. Evidence Metabiases shape what counts as evidence in the first place—and who gets to decide.
Evidence Metabiases "She says her experience isn't evidence because it's 'just anecdotal.' That's Evidence Metabias—having a definition of evidence that excludes most human knowing. Experience is evidence; it's just not the kind that fits in spreadsheets. The metabias is thinking your evidence hierarchy is natural, not constructed."
by Dumu The Void March 1, 2026
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