What is the function of the degree in narrowing down large applicant pools during initial screening?

Answer

It serves as proof that the candidate completed a multi-year commitment requiring discipline

Hiring managers use educational attainment as a quick way to narrow large applicant pools, seeing the completion of the multi-year program as proof of discipline and the ability to absorb large amounts of information.

What is the function of the degree in narrowing down large applicant pools during initial screening?
educationemploymentcareerQualificationdegree