Thinking in Bets: Making Smarter Decisions When You Don't Have All the Facts · chapter 5 · id thinking-in-bets-c5-02-diversity-of-viewpoints-within
“Diversity of viewpoints within decision-making groups is essential -- homogeneous groups fall into echo chambers and make worse decisions.”
TRUE, BUTconfidence: high⚠ extracted by pipeline, re-audit pending
Receipts
Sunstein & Hastie (2008), 'Four Failures of Deliberating Groups,' University of ChicagoFLAGGED: DOI not in registry
Deliberating groups tend to amplify rather than correct individual errors when members share similar views. Groups with hidden profiles (where critical information is distributed unevenly) consistently fail to surface unique information.
Wagenmakers, Bayesian Spectacles reviewsource alive
Duke's uncritical promotion of 'ideological diversity' is a trap -- cognitive diversity (different thinking styles, information sets) matters; ideological diversity can introduce motivated reasoning from multiple directions simultaneously.
This claim is a stable, citable object. If you can falsify a verdict, tell us. Corrections are loud here.