Which contributes to both the gambler's fallacy and the conjunction fallacy?

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The representativeness heuristic contributes to both the gambler's fallacy and the conjunction fallacy. In the gambler's fallacy, people assume that because a certain outcome has not occurred for a while, it is more likely to occur soon since it is "due." This is based on the representativeness heuristic, which leads people to believe that random events should balance out over time. In the conjunction fallacy, people assume that a specific combination of events is more likely than a single event because it seems more representative of a particular category or group. This is also based on the representativeness heuristic, which leads people to focus on the most salient or typical features of a situation.

Which Contributes to Both the Gambler's Fallacy and the Conjunction