The concept is basic in its setup and easy to implement. When you face an problem, don’t accept the first statement of the problem that comes to mind but challenge it by asking “why” 5 times. This is also called abstraction laddering.
Identify an initial problem statement for review.
Create a worksheet with 5 blank above each other. Put your problem statement at the bottom.
Invite everyone, or do it alone, to think about the first problem statement and ask Why is that a problem? Do this 5 times.