Scenario Model Structure
Structures a model so scenarios differ only by driver values, which is what makes them comparable at all.
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Running it, start to finish
- Move every assumption into a single marked input area.
- Rank drivers by sensitivity and focus effort on the top two or three.
- Add the check rows before anyone uses the outputs.
What you get back
The output this produces, every time.
- Separates inputs, calculations and outputs, so no assumption hides inside a formula.
- Keeps scenarios as columns in one file rather than separate files that diverge.
- Builds in check rows that catch a broken formula before it reaches a decision.
Getting better results
Where this usually goes wrong, and how to avoid it.
- Never type a number into a formula. It is an assumption hidden where nobody will ever find it, and it will be wrong in six months.
- Name scenarios by what they assume. 'Base' and 'worst' invite the base to be read as expected. 'Growth halves' is a claim someone can argue with.
- Write the scope into the file. Models get forwarded and reused for things they were never built for. A stated scope travels with them.
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Written for The AI University. Every prompt in this library is original work — authored, tested and revised here, not collected from elsewhere. 365 of them, free with an account.