DOE

I am new to DOE so pls be gentle!
I have read that in addition to using factors with p values less than 0.05 to identify those which have a significant effect you can also create a “pareto chart of standardized effects”.
How do you calculate the standardized effect? The example I am looking at uses the 2 methods with the same data, and the value of the effects of each factor in the minitab output looks different to the value of the standardized effects in the pareto.
What is the difference?
Thx.