Most tests are based on the work of Carl Jung, a contemporary of Froid, whose work was published around the 1950's. They have certainly been used by employers since about then. Why do you think employers spend millions of pounds every year on these tests? It's because they deliver results. career personality quiz Both employees and employers are more content if it is done properly. Staff turnover costs companies billions of pounds each year. It is also disruptive. Therefore reducing this is very much worth the attempt.
a number of jobs are more suited to some people than others. This is natural. Determining what you are most compatible with is your intention. It's a matter of finding horses for courses.
Without this concordance it is improbable any success will be sustainable. We therefore use a carrer test to better figure out who we actually are. Your career personality is a mystery you must resolve. And don't be anxious this is not the kind of test you can pass of fail as you are who you are. It is not something you can drill to pass. Are you going to go in blind to your next interview? You do not want to be sitting there questioning what the employer is reading about you. There are many free career aptitude tests available. Not all of them are respectable however.