<ul><li>Multi-point systems for customer feedback can lead to racial bias, while a two-point rating scale can reduce bias and potential financial consequences for non-White workers, according to a study from the University of Toronto.</li><li>The study found that a two-point rating system significantly narrowed racial gaps in performance ratings and earnings for White and non-White workers in online services, highlighting the importance of simple and unbiased rating structures.</li></ul>

A 2-point rating scale can reduce racial bias in customer feedback, research finds

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