kaal:claim:3266953-007

Displayed net feedback scores are a poor reputation instrument because they encourage Pollyanna assessments of reputation and are far from the best predictor of performance available in the data.

Source quote, verbatim

However, the net feedback scores that eBay displays encourages Pollyanna assessments of reputations, and is far from the best predictor available.

From

Craig Calcaterra, Wulf A. Kaal, Gopinath Sivalingam, Reputation Protocol for the Internet of Trust - Conceptual Whitepaper (2018), Internet-Based Platforms Use of Reputation Metrics, p. 8
https://ssrn.com/abstract=3266953 · source PDF

Cite as

Craig Calcaterra, Wulf A. Kaal, Gopinath Sivalingam, Reputation Protocol for the Internet of Trust - Conceptual Whitepaper (2018). SSRN: https://ssrn.com/abstract=3266953

Holds when

eBay feedback data from 1999

Classification

failuresupport: evidencedfailure: Pollyanna feedback biasfamily: reputation-system-gamingreputation

Verify

The quote above is an exact substring of the source PDF, whose sha256 is 781758dea356e55d79c73ad7f1debe7c83de398bd1cd9e0a9a6c2802f276b4c0. Extraction method: pdf-text-layer.
Attestation record: colloquium/attestations/608e167d9db357ca...json
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