Homework before the first seminar was to take a temperament test and bring the results to the seminar:

https://psytests.org/eysenck/epqRen.html

Concerning teaching profession there is no "preferred" or "better" temperament to have. The results were used as a starting point for an activity...creating a "Manual" for others how do we wish to be treated, what kind of interaction suits us, what we need, prefer.