And these tests only remain valid and reliable when provided by a professional.
And MBTI is not only an unreliable and invalid personality test, but it is not provided by professionals.
The fact is MBTI remains as valid and reliable as astrology.
So it is no surprise to find that many MBTI aficionados also use astrology.
But just as no astronomer in the world believes in astrology, no psycho-metrician believes in MBTI.