"I understand that it seems accurate enough. But that's a common validation bias (subjective validation) that works the same way with horoscopes. Lots of research indicates that the MBTI is garbage for personality assessment. It makes sense that it is, it's based on Jung's research-less kookiness. Garbage in, garbage out, as they say. More on subjective validation - the process behind horoscopes seeming "so real!" https://en.wikipedia.org/wiki/..." - Christine Cavalier