Incentives for Truthful Evaluations

@article{Alfaro2016IncentivesFT,
  title={Incentives for Truthful Evaluations},
  author={Luca de Alfaro and Marco Faella and Vassilis Polychronopoulos and Michael Shavlovsky},
  journal={CoRR},
  year={2016},
  volume={abs/1608.07886}
}
We consider crowdsourcing problems where the workers are asked to provide evaluations for items; the worker evaluations are then used to estimate the true quality of items. Lacking an incentive scheme, workers have no motive in making effort in completing the evaluations, providing inaccurate answers instead. We show that a simple approach of providing incentives by assessing randomly chosen workers is not scalable: to guarantee an incentive to be truthful the number of workers that the… CONTINUE READING
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