Question

Why has the personality-testing become so popular as a major part of an organization's recruitment process?

Answer 1

Personality is something that we informally assess and describe every day. When we talk about ourselves and others, we frequently refer to different characteristics of an individual's personality. Psychologists do much the same thing when they assess personality but on a much more systematic and scientific level.

Personality testing beneficial for following reasons

For assessing theories
To look at changes in personality
To evaluate the effectiveness of therapy
Diagnosing psychological problems
Screening job candidates
Personality tests are also sometimes used in forensic settings to conduct risk assessments, establish competence and in child custody disputes.

Personality testing can certainly provide substantial benefits to hiring managers. As a concept, they have been praised for several reasons:

Knowing the unique information personality tests provide can help hiring managers assess a candidate’s fit into company culture.
Personality tests allow hiring managers to better understand how to keep individual employees engaged and motivated at work.
Well-designed, standardized assessments allow an organization to improve its legal defensibility by providing a fairer method of candidate comparison.
Personality tests can reduce the chance of putting the wrong person in the wrong role.