That is very interesting, but you would need to know the level of trust the groups have compared to how strong their norms for not breaking the law would be in order to normalize the results (e.g are people of one minority group less likely to trust strangers compared to the majority?) which are factors that you can't know.
Yes, but by the same token, the fairness of he judicial system is also subject to factors you can't know. It is unreasonable to assume hat the crim justice system
Is an island of unbiased rationality, considering the steady stream of corruption revelations.
