Correlational accuracy measures cannot reveal over- or underestimation direction.

Evidence

While these sorts of sensitivity correlations have the potential to overcome judgmental scale usage problems, they of course make directional comparisons between the criteria and judgments impossible. … For instance, if there are inaccuracies, one cannot determine whether judgments overestimate or underestimate the stereotypic differences between groups. — , Rudman, Laurie A - On the Nature of…, 872

Categorization

• corroborated: 2 independent passages support this claim — , Rudman, Laurie A - On the Nature of…, 872
• XREF: connects to: Correlations without an encompassing concept yield no real knowledge — Byung-Chul Han, Psychopolitics: Neoliberalism and New…, 160