Mechanism family · v2 taxonomy
Reasoning & flexibility
Patterns involving logical errors, problem representation, rigidity, and fixation on familiar tools or solutions.
Reviewed mapping
11 canonical entries currently belong to this family.
This hub combines direct category mappings with record-level reviews. Duplicate aliases and ambiguous entries stay outside the family discovery layer.
Decision MakingAdditive Bias – when you add instead of subtractingthe tendency to solve problems by adding new elements, even when removing something would work better.Read entry Decision MakingAttribute Substitution – when your brain picks an easy answer instead of the right onethe tendency to answer a simpler question instead of the actual, more difficult one.Read entry Logical FallacyBerkson’s Paradox – when two things seem connected, but they aren’ta logical fallacy where an observed relationship between variables appears due to selection bias, not real causation.Read entry Cognitive RigidityFunctional Fixedness – when objects can only be used one waythe tendency to perceive an object only in its traditional role, ignoring other possible uses.Read entry Logical FallacyGambler’s Fallacy – when you think the past changes the future oddsthe mistaken belief that past events influence future probabilities, even when each event is independent.Read entry Logical FallacyHot-Hand Fallacy – when you think winning increases your chances of winning againthe belief that after a streak of success, your chances of continued success increase, even when events are random.Read entry Cognitive RigidityLaw of the Instrument – when one tool feels like the answer to everythingthe tendency to over-rely on familiar tools or methods while ignoring better alternatives.Read entry Logical FallacyPlan Continuation Bias – when you stick to the plan even when the situation has changedthe tendency to stick to an initial plan, even when the situation has changed and it no longer makes sense.Read entry Logical FallacyTime-Saving Bias – when speed tricks your sense of timethe tendency to overestimate time saved at high speeds and underestimate time saved at low speeds.Read entry Cognitive BiasValue Selection Bias – choosing supplied numbers instead of constructing the Bayesian answerValue Selection Bias is a narrow reasoning pattern studied in Bayesian diagnostic problems. When participants did not derive the correct solution, their incorrect answers were stroRead entry Logical FallacyZero-Sum Bias – when you think someone’s gain is your lossthe mistaken belief that one person’s gain must come at another’s expense, even when resources can grow.Read entry
