Short answer: You Don't.
The Dunning-Kruger Effect explains how it requires competence to recognize you're incompetent.
This is what I'm struggling with when it comes to the book Everyone Has A Boss. It's written for people who don't know the first thing about being an employee, but the problem is that no bad employee thinks he is.
If someone didn't know how to read would there be any point in writing a book explaining the merits of literacy?
Are there "Learn PowerPoint" seminars for the blind?
The truth is that not knowing the skills expected of a good employee is detrimental to the worker. It's why he isn't promoted or given a raise. He thinks Jill got the promotion because she's sleeping with the boss, but she isn't. She has the skills the company needs, primarily the ability to produce value.