Briggs evaluations to particular job roles. But critics wonder how reliable such personality tests are in the first place.

Combined with a personality test, these illusions can provide deeper insights into our characteristics. Though not entirely foolproof, such tests offer a basic understanding of personality types.

Test-takers are ultimately assigned one of 12 types based on their most dominant traits. Someone who receives a D for "Dominance" might be described as direct and strong-willed.