Groups of diverse problem solvers can outperform groups of high-ability problem solvers¶
Hong, L., & Page, S. E. (2004). Groups of diverse problem solvers can outperform groups of high-ability problem solvers. Proceedings of the National Academy of Sciences, 101(46), 16385-16389.
Cited by¶
3 citations across 2 artifacts.
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Primes¶
- Diversity
- Wisdom of the Crowds
- It frames a market price, a vote tally, an ensemble prediction, and a neural readout as instances of one estimator, so an insight proven in one (the diversity-prediction decomposition) transfers as a theorem to all.
This sourceFormal model and theorem showing that under conditions of complex problem-solving, cognitively diverse groups outperform homogeneous groups of high-ability individuals through cooperative integration of distinct heuristics.
- The machine-learning result that decorrelated weak learners average into a strong one is recognizably the same insight as the economist's claim that a market price reveals dispersed knowledge and the political theorist's jury theorem, a unity Hong and Page (2004) made formal in showing that diversity can trump individual ability in collective problem-solving.
This sourceEstablishes the cross-substrate unity of the aggregation insight: the same diversity-over-ability logic that governs human problem-solving groups governs ensemble predictors and other pooled estimators.
- It frames a market price, a vote tally, an ensemble prediction, and a neural readout as instances of one estimator, so an insight proven in one (the diversity-prediction decomposition) transfers as a theorem to all.
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