Think of MECE as a lens. Every time you make a list, immediately test if it is MECE. Use it as a heuristic device with your team: inspect your list with the team as you’re meeting, be sure to ask if the current list you’re working on is MECE, and then refine it. Your team may groan at first, but they will gradually start to see the value, and then they will not be able to imagine how they ever lived without it. Make your work lists of lists, and make those lists MECE. Your recommendations have a better chance of getting accepted, supported, and executed on. And you will create more power for
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Mutually Exclusive and collectively exhaustive
