A Decision Matrix That Shows How Fragile It Is MATRIX
A total of 7.4 against 7.1 gets written up as “the analysis showed”. Nobody asks how far one number would have to move for the answer to be different.
What is being decided
Set the weights before you score anything. Weighting after you have seen the scores is how a matrix becomes a way of justifying a decision already made.
The table
How much that is worth
What it would take to flip the answer
The working
Questions people ask about MATRIX