How common standards can diminish collective intelligence: a computational study

Journal of Evaluation in Clinical Practice 22 (4):483-489 (2016)
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Making good decisions depends on having accurate information – quickly, and in a form in which it can be readily communicated and acted upon. Two features of medical practice can help: deliberation in groups and the use of scores and grades in evaluation. We study the contributions of these features using a multi-agent computer simulation of groups of physicians. One might expect individual differences in members’ grading standards to reduce the capacity of the group to discover the facts on which well-informed decisions depend. Observations of the simulated groups suggest on the contrary that this kind of diversity can in fact be conducive to epistemic performance. Sometimes, it is adopting common standards that may be expected to result in poor decisions.


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Author Profiles

Aidan Lyon
Leiden University
Michael Morreau
University of Tromsø

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