This is a card for my poor memory about practical ways to make decisions.
The Eisenhower Decision Matrix
The classic:
Making decisions as in Amazon
This is not an official way to make decisions in Amazon, but I found it in “Working Backwards” book and I find it useful.
Mindset to adopt depending on the nature of the decision and its impact
Cynefin
To classify the nature of the problem you have is very useful to define the approach to solve it and make decisions on it.