3 ms·How do you know that external party isn't also biased?by Mithaldu 9y agoHow do you know that external party isn't also biased?Const-me 9y agoThey can only be biased if they know race/gender/etc. https://en.wikipedia.org/wiki/Blinded_experiment https://en.wikipedia.org/wiki/Blinded_experimentMithaldu 9y agoOk, yeah, a third party with cleaned info would help. :)