Earlier quoted context omitted.
The article covers reproducibility. The test does reliably reproduce results, at least if you don't quantize to boolean. Jung doesn't matter. Being a cash cow doesn't matter. There is nothing in the field of psychology with better support than IQ. If you aren't going to accept IQ, then you've entirely tossed out the field of psychology. There is nothing left.
> There is nothing in the field of psychology with better support than IQ. If you aren't going to accept IQ, then you've entirely tossed out the field of psychology. There is nothing left. Huh. That's quite a bold and incorrect claim. Are you a psychologist?
https://youtu.be/D7Kn5p7TP_Y?t=2938
For anybody interested in personality research, I warmly recommend this lecture series, by the way. These are the basics, which psychology students learn at university.