The article, Simoiu, C., Sumanth, C., Mysore, A., & Goel, S. (2019). Studying the "Wisdom of Crowds" at Scale. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing, 7(1), 171-179. Retrieved from https://ojs.aaai.org/index.php/HCOMP/article/view/5271 notes that it is (p. 172):
“... one of the most comprehensive studies of the wisdom -of -crowds effect to date ..”
Are there any other comparable studies? If so, can you please provide the citations?
A different approach is to use emergent collectively solved problem sets, such as the English lexicon or rates measuring increases in efficiency for emergent collectively solved problem sets, such as :
1) The rate of improvement in domestic lighting: Nordhaus, W. D. (1994). Do real-output and real-wage measures capture reality? The history of lighting suggests not. Technical Report 1078, Cowles Foundation for Research in Economics, Yale University;
2) The rate of increase in average IQs. A theory of intelligence.arXiv:0909.0173v8;
3) By assuming a general collective problem solving rate, and finding a formula connecting the collective rate with the average individual rate of problem solving: Preprint The rate of thought