Found it hard to choose just one answer because 3 of the 4 "yes" answers applied to me: yes, it was without cause, yes it was just part of being enrolled in a self-acknowledged "weed-out" program, and yes I am still pissed about it!
Psycho instructor who would NOT, under threat of death (and believe me we all considered it) share with you the parameters for any given assignment, clinical, paper, test, until after
you'd failed to meet her unverbalized expectations, at which time she was then happy to share her disappointment with you. She got uniformly bad student evals and was fired at the end of that quarter, while I got fed up and transferred to a REAL school where I finished my BSN.
I will say I learned something from her. As a professional nurse, I have always made it a point to sit down and share my expectations for performance with anybody I am required to evaluate, and to let them know whether they are meeting those expectations or not, well before the eval period ends.
Living well is the best revenge--I've gotten to travel all over the world and have a wonderful time courtesy of my nursing degree, while I'm sure she's still the same judgemental, bitter hag she was then.