When peoples' projection interpretations do not have any of the same attributes. 

Nonoverlapping Projection Interpretations

People often fixate on a variation of attributes even if they are viewing the same situation or tasked with solving the same problem. These fixations on attributes are each separate projection interpretations.

University of Michigan - Ann Arbor

The crowd's performance on some "intelligent" task is better than the best or average member of the crowd. 

Supperadditive Intelligence (Wisdom of Crowds)

Page, Scott E. The Difference: How the Power of Diversity Creates Better Groups, Firms, Schools, and Societies. Princeton University Press, 2008. 

The Difference by Scott Page

An equation to calculate the collective accuracy of a crowd. It shows that diversity matters just as much as ability. (Acc = accuracy)
- Collective Acc Crowd = Avg Individual Acc - Collective Predictive Diversity

The Diversity Prediction Theorem

A crowd's prediction accuracy can't be worse than the average prediction accuracy of a crowd's members.
- Collective Prediction Error < Average Individual Error

The Crowd Beat Averages Law

Predictive ability can be understated when assuming independence in a small crowd. Contrarily, an assumption of independence may overstate the predictive ability of large crowds.

Assumptions of Independence

Crowd of models is used to refer to crowds of experts.

Crowd of Models

Projection interpretations

Provides platforms with the ability to compare the success of forecasting ability and training.

Forecasting Challenge Ensembles

A set of N individuals and a value function that assigns a value to every subset of individuals (subsets are referred to as coalitions). A coalition with no players has a value of 0, and a coalition with all players would have the total value.

Cooperative Games

Problems which add uncertainty to learning the best alternative. Rewards for potential alternatives are represented by distributions (not fixed outcomes). Bandit problems can model pharmaceutical drug trials, choice among technologies, where to place advertisements and anything else with uncertain payoffs. Can help figure out optimal explore-exploit tradeoff.

Bandit problems

A jury of voters classifies something correctly more than any member of the jury on average. As the number of jurors increases, the accuracy of the jury will approach (but never reach) 100% accuracy.

Condorcet Jury Theorem

The wisdom of crowd effect suggests that the median estimate of a group is more likely to have  closer accuracy to an answer than the estimate of an individual.

Wisdom of Crowd Effect

Proposed by Albert Bandura and other researchers, social learning theory is a perspective on learning that incorporates cognitive processes. It evolved from behaviorism but differed by asserting that internal mental states play a crucial role in learning. Unlike pure behaviorism, this theory can explain how learning occurs even without direct external reinforcement, emphasizing the importance of observation and mental processing.

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