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Common Biases

Bias Latin / Note Logical Focus Symbolic
Confirmation bias Neo-Latin: praeiudicium confirmationis Overweights confirming evidence while underweighting defeating or disconfirming evidence.
Belief bias Neo-Latin: praeiudicium credulitatis Judges validity by believability of the conclusion rather than inferential form.
Anchoring bias Neo-Latin: ancoratio Lets an initial value constrain later judgment beyond its evidential warrant.
Availability bias Neo-Latin: praeiudicium promptitudinis Mistakes ease of recall for evidential frequency, probability, or importance.
Base-rate neglect Neo-Latin: neglectus frequentiae prioris Ignores prior probability when evaluating specific evidence.
Framing effect Neo-Latin: effectus formulationis Treats equivalent propositions differently because of presentation or wording.
Survivorship bias Neo-Latin: praeiudicium superstitum Draws conclusions from observed survivors while missing excluded failures.
Status quo bias Latin phrase: status quo Gives the existing state default preference without adequate comparative justification.

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