Showing every available term
A terms
12 entries
Abusive ad hominem
Dismissing an argument through insults or negative character claims about its author.
Read definition for Abusive ad hominemAd hominem
Rejecting a claim by attacking the person who makes it instead of addressing the claim.
Read definition for Ad hominemAffirming the consequent
Inferring a condition from its result even though other conditions could produce the same result.
Read definition for Affirming the consequentAmphiboly
Drawing a conclusion from a sentence whose grammar allows more than one meaning.
Read definition for AmphibolyAnchoring bias
Relying too heavily on an initial number, value, or reference point when making a judgment.
Read definition for Anchoring biasAnecdotal overreach
Using one or a few vivid personal stories to support a broad conclusion.
Read definition for Anecdotal overreachAppeal to fear
Using fear to secure agreement without adequately supporting the threatened outcome.
Read definition for Appeal to fearAppeal to force
Using a threat or coercion in place of reasons for accepting a conclusion.
Read definition for Appeal to forceAppeal to pity
Using sympathy as a substitute for evidence that a claim is true or a decision is justified.
Read definition for Appeal to pityAppeal to unqualified authority
Treating a person's endorsement as strong evidence when they lack relevant expertise.
Read definition for Appeal to unqualified authorityAuthority outside their domain
Relying on genuine expertise in one field as if it established expertise in another.
Read definition for Authority outside their domainAvailability heuristic
Estimating likelihood by how easily examples come to mind.
Read definition for Availability heuristicB terms
5 entries
Base rate
The background probability before case-specific details are added.
Read definition for Base rateBase-rate neglect
Underweighting background probabilities in favor of case-specific details.
Read definition for Base-rate neglectBase-size neglect
Interpreting a count or percentage without considering the total group it came from.
Read definition for Base-size neglectBegging the question
Assuming the conclusion within the premises offered to support it.
Read definition for Begging the questionBelief perseverance
Continuing to hold a belief after the original evidence for it has been discredited.
Read definition for Belief perseveranceC terms
9 entries
Calibration
The match between confidence and actual accuracy.
Read definition for CalibrationCelebrity expertise fallacy
Treating fame or popularity as evidence of expertise.
Read definition for Celebrity expertise fallacyCherry-picking
Selecting only evidence that supports a claim while ignoring relevant contrary evidence.
Read definition for Cherry-pickingCircumstantial ad hominem
Rejecting a claim because the speaker's situation or interests allegedly make it biased.
Read definition for Circumstantial ad hominemCognitive reflection
The habit of checking an intuitive answer before accepting it.
Read definition for Cognitive reflectionConfirmation bias
The tendency to favor information that supports what you already believe.
Read definition for Confirmation biasConjunction fallacy
Judging a combination of events as more likely than one of its component events.
Read definition for Conjunction fallacyContinued influence effect
The lingering effect of misinformation on reasoning after it has been corrected.
Read definition for Continued influence effectCum hoc fallacy
Assuming that because two things vary together, one must cause the other.
Read definition for Cum hoc fallacyD terms
2 entries
Denying the antecedent
Inferring that a result cannot occur because one sufficient condition did not occur.
Read definition for Denying the antecedentDunning–Kruger effect
A pattern in which low skill can also limit a person's ability to recognize their errors.
Read definition for Dunning–Kruger effectE terms
3 entries
Equivocation
Using the same word in different senses within an argument as if its meaning stayed fixed.
Read definition for EquivocationEscalation of commitment
Investing more in a failing course of action to defend or justify earlier decisions.
Read definition for Escalation of commitmentExtreme-case bias
Letting unusual or dramatic cases dominate judgment about what is typical.
Read definition for Extreme-case biasF terms
4 entries
Fallacy of composition
Assuming that what is true of each part must be true of the whole.
Read definition for Fallacy of compositionFallacy of division
Assuming that what is true of a whole must be true of every part.
Read definition for Fallacy of divisionFalse dilemma
A reasoning error that treats limited options as if they exhaust the field.
Read definition for False dilemmaFraming effect
Changing a judgment because equivalent information is presented in different ways.
Read definition for Framing effectG terms
1 entry
H terms
3 entries
Hasty generalization
Drawing a broad conclusion from too few or unrepresentative cases.
Read definition for Hasty generalizationHindsight bias
Seeing an outcome as more predictable after learning that it occurred.
Read definition for Hindsight biasHot-hand fallacy
Inferring a persistent streak or changed success rate from a short cluster of successes.
Read definition for Hot-hand fallacyI terms
1 entry
L terms
2 entries
M terms
3 entries
Manipulative urgency
Creating artificial time pressure to prevent careful evaluation of a claim or choice.
Read definition for Manipulative urgencyMotivated reasoning
Evaluating evidence in ways that favor a desired conclusion or protect an identity.
Read definition for Motivated reasoningMoving the goalposts
Changing the standard of proof after the original standard has been met.
Read definition for Moving the goalpostsN terms
1 entry
O terms
4 entries
Omitted-variable error
Attributing a relationship to one factor while ignoring another factor that may explain both.
Read definition for Omitted-variable errorOutcome bias
Judging the quality of a decision mainly by how it turned out.
Read definition for Outcome biasOverconfidence
Having more confidence in a judgment, estimate, or ability than accuracy warrants.
Read definition for OverconfidenceOversimplified cause
Explaining a complex outcome with one cause while ignoring other important contributors.
Read definition for Oversimplified causeP terms
3 entries
Poisoning the well
Discrediting a source in advance so that anything they say will be dismissed.
Read definition for Poisoning the wellPost hoc fallacy
Assuming that because one event followed another, the first event caused the second.
Read definition for Post hoc fallacyPublication bias
A distortion caused when studies with positive or striking results are more likely to become visible.
Read definition for Publication biasR terms
3 entries
Red herring
Introducing an irrelevant issue that distracts from the point under discussion.
Read definition for Red herringRepresentativeness heuristic
Judging probability by resemblance to a prototype instead of using relevant statistics.
Read definition for Representativeness heuristicReverse causation
Mistaking the direction of a causal relationship.
Read definition for Reverse causationS terms
9 entries
Scope drift
Quietly expanding or changing what a claim covers during an argument.
Read definition for Scope driftSelection bias
A systematic distortion caused by how cases enter, remain in, or leave a sample.
Read definition for Selection biasSlippery slope
Claiming that one step will trigger an extreme chain of events without enough support for the links.
Read definition for Slippery slopeSmall-sample reasoning
Treating a small number of observations as more stable or representative than it is.
Read definition for Small-sample reasoningSteelman
The strongest fair version of an argument you are evaluating.
Read definition for SteelmanStraw man
Misrepresenting a position as weaker or more extreme so it is easier to attack.
Read definition for Straw manSunk-cost fallacy
Continuing a choice because of unrecoverable past investment instead of its future value.
Read definition for Sunk-cost fallacySuppressed evidence
Leaving out relevant information that would weaken or change the apparent conclusion.
Read definition for Suppressed evidenceSurvivorship bias
Drawing conclusions from visible successes while overlooking cases that failed or disappeared.
Read definition for Survivorship biasT terms
3 entries
Testimonial overreach
Using a personal endorsement as if it established a general effect or causal claim.
Read definition for Testimonial overreachTopic switching
Moving to a different question before the original question has been answered.
Read definition for Topic switchingTu quoque
Answering criticism by accusing the critic of the same fault.
Read definition for Tu quoqueV terms
1 entry
W terms
2 entries

