the tendency to search for, interpret, and recall information that confirms one's preexisting beliefs
“His confirmation bias led him to only read news sources that agreed with his views.”
Origin: Latin confirmatio `making firm` + bias `oblique line` (from Old French biais `slant, slope`)
the tendency to rely too heavily on the first piece of information encountered
“The initial asking price served as an anchor, making all subsequent offers seem reasonable.”
Origin: Old English ancor `anchor` from Latin ancora, from Greek ankyra `anchor`
judging likelihood based on how easily examples come to mind
“People overestimate plane crash risks due to the availability heuristic—crashes are memorable.”
Origin: Latin heuristicus `serving to discover` from Greek heuriskein `to find`
the tendency to see past events as having been predictable
“With hindsight bias, everyone claimed they saw the market crash coming.”
Origin: Old English hindan `from behind` + sight, bias from Old French biais `slant`
continuing a behavior due to previously invested resources
“She stayed in the bad relationship due to sunk cost fallacy—all those years invested.”
Origin: From nautical term `sunk` + Latin fallacia `deception` from fallere `to deceive`
the tendency to prefer avoiding losses over acquiring equivalent gains
“Loss aversion explains why people hold losing stocks too long—selling feels like accepting defeat.”
Origin: Latin aversio `a turning away` from avertere `to turn away`
drawing different conclusions from the same information depending on how it's presented
“Describing meat as '90% lean' versus '10% fat' demonstrates the framing effect.”
Origin: Old English framian `to profit, make progress` + Latin effectus `accomplishment`
preference for the current state of affairs
“Status quo bias kept her at her unfulfilling job rather than seeking new opportunities.”
Origin: Latin status quo `the state in which` + bias from Old French biais
believing that past random events affect future probabilities
“After five heads, he bet on tails—a classic gambler's fallacy.”
Origin: Old French gaaignier `to gamble` + Latin fallacia `deception`
giving more weight to recent events than earlier ones
“Recency bias made investors forget the long bull market after one bad quarter.”
Origin: Latin recens `fresh, new` + bias from Old French biais `slant`