An empirical example of social bias comes from COMPAS (Correctional Offender Management Profiling for Alternative Sanctions)
and other similar systems, which are widely used to assist parole decisions4 5
. In 1927, the new chairman of the Parole Board of
Illinois noticed a gap in law enforcement efficiency compared to industry. Considering the public sentiment that the justice system
favored criminals, he believed parole deserved a fair evaluation. He ordered a study by the University of Illi