Objective Truth Biases

The collection of biases that cluster around the concept of "objective truth"—the tendency to treat one's own perspective as uniquely objective, to assume that objectivity requires the absence of perspective rather than the rigorous examination of it, to mistake culturally-shaped standards for universal ones, and to use "objectivity" as a weapon against views one dislikes while exempting one's own. These biases include: treating quantification as inherently more objective than qualitative description; assuming that numbers don't lie (while ignoring how they're collected, interpreted, and presented); believing that one's own cultural position is the "view from nowhere"; and using "objective truth" to dismiss the legitimacy of other ways of knowing.

Example: "His Objective Truth Biases meant he thought his perspective was simply 'reality' while everyone else had 'opinions'—he didn't see his own cultural assumptions as assumptions at all."

by Dumu The Void March 13, 2026

Objective Truth Bias

The specific bias where one believes their own perspective, framework, or worldview simply is objective truth—not a perspective among perspectives, but reality itself perceived clearly. Objective Truth Bias operates when someone says "I'm not biased, I just see things as they really are" while everyone else is blinded by ideology, culture, or self-interest. It's the bias that makes one's own assumptions invisible—they're not assumptions, they're just true. This bias is the cognitive foundation of dogmatism: if you believe you have direct access to objective reality, then disagreement can only be explained by error, bad faith, or pathology in others.

Example: "He didn't argue his position—he simply asserted it as objective truth, and treated all disagreement as evidence of his opponents' irrationality. That's not confidence; that's Objective Truth Bias."

by Dumu The Void March 13, 2026

Evidence-Based Biases

The collection of biases that arise from the misapplication of "evidence-based" thinking—treating evidence as a magic word rather than a practice, demanding evidence asymmetrically, mistaking certain kinds of evidence (usually quantitative) as inherently superior, ignoring the values and assumptions embedded in what counts as "evidence," and using "evidence-based" to dismiss any claim that doesn't fit narrow evidentiary standards. These biases don't reject evidence—they fetishize it, turning a valuable tool into a weapon of dismissal and a shield against genuine engagement with complexity, uncertainty, and other ways of knowing.

Example: "His Evidence-Based Biases meant he demanded randomized controlled trials for community wisdom that had worked for centuries—not because he valued evidence, but because he valued only his kind of evidence."

by Dumu The Void March 13, 2026

Evidence-Based Bias

The specific bias where one treats "evidence-based" as an automatic warrant for one's position and a automatic disqualifier for others', without actually engaging the quality, relevance, or interpretation of the evidence. Evidence-Based Bias operates when someone says "the evidence supports my view" as a conversation-ender, without acknowledging that evidence is always interpreted, that different evidence can support different conclusions, that evidence alone never dictates policy or values, and that "evidence-based" is often claimed by all sides. It's the bias that turns the legitimate principle of grounding claims in evidence into a rhetorical cudgel.

Example: "He kept saying his position was 'evidence-based' as if that settled everything—pure Evidence-Based Bias, using the word 'evidence' to avoid actually discussing what the evidence showed."

by Dumu The Void March 13, 2026

Purpose Bias

A cognitive bias where you perceive two or more things that are functionally identical, structurally similar, or practically equivalent as fundamentally different solely because their intended purposes differ. It's the mental shortcut that makes a luxury handbag feel like a "wise investment" while an identical unbranded bag is "frivolous spending." The same knife in a kitchen is a "tool" but in a pocket is a "weapon." A loud car exhaust is "performance" on a sports car but "noise pollution" on a beat-up sedan. Purpose Bias shapes how we judge, categorize, and value objects, actions, and even people based on what we believe they're for, rather than what they actually are. In daily life, it's why we excuse our own harsh words as "honest feedback" while condemning others' identical words as "verbal abuse"—same statement, different purpose, completely different judgment. The bias lies in treating purpose as a magical property that transforms the very nature of things, rather than as one attribute among many.

Example: "He called his own constant phone checking 'staying connected' but his partner's identical behavior 'addiction'—pure Purpose Bias, seeing the same action as completely different based solely on whose purpose he assumed."

by Dumu The Void March 13, 2026

Normalization Bias

A cognitive bias and metabias, common in scientific and expert communities, where the tools of science, evidence, and inquiry are deployed to normalize the status quo and/or the current political, economic, and social system. Normalization Bias operates when researchers unconsciously (or consciously) frame their questions, interpret their data, and present their findings in ways that make existing power structures seem natural, inevitable, or optimal. Poverty becomes a matter of "individual choices" rather than systemic extraction; inequality becomes "natural variation" rather than policy outcome; exploitation becomes "market efficiency" rather than violence. The bias lies in using the authority of science to launder the contingent into the necessary, turning "what is" into "what must be" through the alchemy of normalized framing. It's a metabias because it shapes not just individual findings but entire fields' approaches to what questions are worth asking.

Example: "The study 'proved' that poverty was caused by poor decision-making—completely ignoring that the decisions available to poor people were structurally constrained. Normalization Bias: using science to make oppression look like choice."

by Dumu The Void March 14, 2026

Ivory Biases

The collection of cognitive biases, meta-biases, and institutional distortions that arise specifically from operating within ivory tower environments—academic, intellectual, and expert communities that are isolated from the broader society they study. Ivory biases include the tendency to mistake disciplinary consensus for universal truth, to overvalue theoretical elegance over practical messy reality, to confuse academic prestige with actual insight, to dismiss non-credentialed knowledge as inherently inferior, and to treat one's own cultural position as the neutral "view from nowhere." These biases are not individual failings but systemic products of ivory culture—the water intellectuals swim in, invisible to them but shaping every perception. Ivory biases explain how brilliant people can be so wrong about so much, how experts can miss what's obvious to outsiders, how the academy can produce knowledge that is rigorous and irrelevant in equal measure.

Example: "He couldn't understand why his perfectly logical policy paper was useless to actual policymakers—his Ivory Biases had made him value theoretical elegance over practical feasibility, and he'd never even noticed."

by Dumu The Void March 14, 2026