I'm not really clear why this is in the Books community???

Anyway:

Ballard offers a quick self-test: Imagine you're in the middle of a meaningful conversation, but you have a doctor’s appointment next. Can you walk away easily? If yes, you're likely monochronic. If not, you're probably of the latter kind.

No. If I have an appointment coming up, then I am not going to get into a meaningful conversation in the first place. For at least an hour beforehand I will be in 'waiting' mode and deliberately avoid things like this.