The retrospective gambler’s fallacy: Unlikely events, constructing the past, and multiple universes
Journal Title: Judgment and Decision Making - Year 2009, Vol 4, Issue 5
Abstract
The gambler’s fallacy (Tune, 1964) refers to the belief that a streak is more likely to end than chance would dictate. In three studies, participants exhibited a retrospective gambler’s fallacy (RGF) in which an event that seems rare appears to come from a longer sequence than an event that seems more common. Study 1 demonstrates this bias for streaks, while Study 2 does so with single rare events and shows that the appearance of rarity is more important than actual rarity. Study 3 extends these findings from abstract gambling domains into real world domains to demonstrate the generalizability of the effects. The RGF follows from the law of small numbers (Tversky & Kahneman, 1971) and has many applications, from perceptions of the social world to philosophical debates about the existence of multiple universes.
Authors and Affiliations
Daniel M. Oppenheimer and Benoit Monin
Keywords
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