General intelligence predicts the speed at which someone learns. For example, someone with high general intelligence will likely learn something faster than someone with lower general intelligence. It was tested to see if the same is true of groups with high collective intelligence. It was found that groups with higher collective intelligence learn things faster than groups with lower collective intelligence. 

Collective Intelligence and Speed of Learing

In this study, collective intelligence is defined as a specific group’s ability to perform well across a range of different tasks. The collective intelligence of a group is a significant predictor of its performance on these tasks, while the average individual intelligence of group members is, surprisingly, not. Overall, collective intelligence is thought to emerge from both bottom-up and top-down processes. These processes can either be beneficial or detrimental to group performance.

Collective intelligence predicts group performance

Several teams that play the game League of Legends, were tested for collective intelligence. It was found that a teams collective intelligence was a significant factor in their performance in the game. 

Collective Intelligence Predicts Group Performance in Video Games

- Group Performance
- Speed of Learning in a Group
- Group Performance in Video Games

San Jose State University

Collective Intelligence can be measured through the actions of a group and their ability to efficiently perform a variety of tasks. More specifically through a comparison of the group's ability to perform one task which is then correlated with the same group's ability to perform a variety of other tasks. 

Measurement of Collective Intelligence 

Malone, Thomas W. 2018. Superminds: The Surprising Power of People and Computers Thinking Together. Little, Brown Spark.

https://cci.mit.edu/superminds-by-thomas-w-malone/

Superminds: The Surprising Power of People and Computers Thinking Together

Scholars are interested in how collective intelligence can influence a group's performance. They are also interested in whether collective intelligence can be used to predict group performance. 

Collective Intelligence's influence on group performance 

Below is a list of possible group tasks that can be used to measure Collective Intelligence: 
visual puzzles, negotiating/rationing limited resources, moral-reasoning problems, brainstorming, etc. 

Collective Intelligence Tasks

- Information entropy equation
- Last-on-the-bus value
- Shapley value
- Diversity theorem

Mathematical Models of Collective Intelligence

An intelligence test the measure the objective intelligence of a group the way that inelligence tests measure the intelligence of an individual. There are no widely used or created tests like this that exist. 

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