Why is training the only answer?

[...]in some places we will discuss reducing harassment and discrimination, whereas in others we will discuss increasing diversity and inclusion (D&I); we consider the former to be an important subset of the latter. Behavior during past employment One of the truisms of psychological science is that past behavior predicts future behavior. [...]applicant references should be asked about discrimination and harassment behaviors and D&I attitudes. [...]employers have turned to social media (e.g., Twitter, Facebook, Instagram) in an attempt to assess applicants’ so-called true personalities and identify past histories of deviant behavior (Salm, 2017). [...]an employer risks being unable to demonstrate that assessment via social media and the judgments made from this information have criterion-related validity.