Personality tests are based on psychological science. Briggs and Myers had no formal training in psychology or sociology. The Humm-Wadsworth Temperament Scale, a popular personality indicator from 1935 that sorted people into five different types, drew on the novels of Dostoyevsky and Flaubert.

Is there a scientifically proven personality test?

The Big Five Personality Test is by far the most scientifically validated and reliable psychological model to measure personality. This test is, together with the Jung test and the DISC assessment, one of the most well known personality tests worldwide.

Is there any science behind personality types?

The Myers-Briggs Type Indicator has been widely used by businesses, universities, the military and other organizations for decades to assess personality. But there is very little, if any, science behind it.

Are personality tests unreliable?

It is unreliable because a persons type may change from day to day. It gives false information (“bogus stuff,” one researcher puts it).

Are personality tests costly?

Personality tests can be costly to administer. Costs can range between $100 to $5,000 per candidate, according to Helios HR (2014). Accuracy. While useful for gaining behavioral insight, personality tests are not always the best indicators of how successful an individual will be in a job.