The Parent-Ego shows most in your management style. When you are in a position of authority you tend to fall back on default behaviour based on that
Die Betrachtung des Erwachsenenalters als ein Lebensalter, in dem sich das Individuum mit gewissen Daseinsthemen auseinanderzusetzen
It is a person's state of mind when he feels helpless and he thinks that he is left with no other options, but to make rash decisions and accept even those option which they won't prefer otherwise. It often leads a person to become an aggressor.
Transaction Analysis is an approach that was developed by Eric Berne. As with all 'talk therapies', its roots are in the field of mental health. However, today, this approach is being used across fields, from schools to workplaces.