Gambler S Fallacy Meaning. Gambler s fallacy also known as the fallacy of maturing chances or the monte carlo fallacy is a variation of the law of averages where one makes the false assumption that if a certain event effect occurs repeatedly the opposite is bound to occur soon. In an article in the journal of risk and uncertainty 1994 dek terrell defines the gambler s fallacy as the belief that the probability of an event is decreased when the event has occurred recently in practice the results of a random event such as the toss of a coin have no effect on future random events.
The gambler s fallacy also known as the monte carlo fallacy or the fallacy of the maturity of chances is the erroneous belief that if a particular event occurs more frequently than normal during the past it is less likely to happen in the future or vice versa when it has otherwise been established that the probability of such events does not depend on what has happened in the past. For example if a coin is tossed and heads comes up 8 times in a row they ll think that on the 9th time it is more likely to be tails. It is a psychological belief that an event is less likely to occur in the future when it has occurred often in the past.
It has also been referred to as the hot hand mentality.
Let s take a look at some examples. People taken in by the gambler s fallacy believe past events affect the probability of something happening in the future. In an article in the journal of risk and uncertainty 1994 dek terrell defines the gambler s fallacy as the belief that the probability of an event is decreased when the event has occurred recently in practice the results of a random event such as the toss of a coin have no effect on future random events. Example of gambler s fallacy edna had rolled a 6 with the dice the last 9 consecutive times.
