A Simple Thumbs Up or Down Eliminates Racial Bias in Online Ratings‌‌. (insights.som.yale.edu)
from Cat@ponder.cat to science@mander.xyz on 22 Feb 13:05
https://ponder.cat/post/1730445

In a study of an online gig-economy platform, Yale SOM’s Tristan Botelho and his co-authors found that the ubiquitous five-star rating system could subtly propagate discrimination. But they also found a surprisingly simple fix: switching to a two-point scale (thumbs up or thumbs down) eliminated subtle racial bias in customer ratings of gig workers, which in turn equalized wages between White and non-White workers.‌‌

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