The Five Steps of Assertiveness (+)

I've been a practicing psychologist in an outpatient setting for over twenty-seven years.
It turns out assertiveness can be taught to almost everyone, which is what I do in the office. I've taught it to children as young as two. Older adults can learn new tricks, too, including this one. I've taught assertiveness to schizophrenics. I even got a Brazilian teenager to learn it without me being able to speak Portuguese (I taught him non-verbally). Anyone can learn to be assertive.
I've read most...