The wisdom of collective grading and the effects of epistemic and semantic diversity
Theory and Decision 85 (1):99-116 (2018)
Abstract
A computer simulation is used to study collective judgements that an expert panel reaches on the basis of qualitative probability judgements contributed by individual members. The simulated panel displays a strong and robust crowd wisdom effect. The panel's performance is better when members contribute precise probability estimates instead of qualitative judgements, but not by much. Surprisingly, it doesn't always hurt for panel members to interpret the probability expressions differently. Indeed, coordinating their understandings can be much worse.Author Profiles
DOI
10.1007/s11238-017-9643-7
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References found in this work
Social Choice and Individual Values. By Irving M. Copi.Kenneth J. Arrow - 1951 - Ethics 62 (3):220-222.
Social Choice and Individual Values.Kenneth Joseph Arrow - 1951 - New York, NY, USA: Wiley: New York.
Social Choice Theory.Christian List - 2013 - In Edward N. Zalta (ed.), The Stanford Encyclopedia of Philosophy. Metaphysics Research Lab, Stanford University.