To test a froups collective intelligence, it required and intervention where a group was formed and asked to do something they would typically not do. It did not reflect how a group naturally acted perfroming a task they needed or intended to do. 

San Jose State University

Limitations to Anita Woolley's Test 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

Woolley, A. W., Chabris, C. F., Pentland, A., Hashmi, N., & Malone, T. W. (2010). Evidence for a collective intelligence factor in the performance of human groups. science, 330(6004), 686-688.

Evidence for a Collective Intelligence Factor in the Performance of Human Groups

The method used of assessing collective intelligence by Anita Woolley only worked on small groups. The largest group was around 40 people. Larger groups would likely require a different methodology.

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