Nine Questions Your Measurement Vendor Can't Answer · A Free Stella Guide
Ask your measurement vendor the right questions.
Your vendor hands you an MMM or holdout study, full of impressive charts and a confident number. It looks legit, so you trust it. But could you defend it in a board meeting? This guide gives you the nine questions that tell you whether it's real.
What you'll walk away able to do
- 01Ask the nine questions that reveal whether a model predicts data it never trained on, or just memorized your history
- 02Tell the difference between a model that is accurate and one that only looks accurate in a deck
- 03Catch the exact checks most vendors skip, the ones your budget decisions actually go wrong on
- 04Walk into your next measurement review able to grade the math, not just trust it
S
Written by the measurement consultancy that shows the receipts on every model it runs, so you can fact-check us too.
"Stella gave us the causal layer we needed. For the first time, we could tell finance exactly which dollars were incremental and which ones were just taking credit."