## Metadata - Author: [[clement-kao|Clement Kao]] - Full Title:: Product Manager Interview: Analyze a Metric Change - Category:: #🗞️Articles - Document Tags:: [[KPI decomposition|Kpi Decomposition]], [[KPI decomposition|Kpi Decomposition]], - URL:: https://medium.com/product-manager-hq/product-manager-interview-analyze-a-metric-change-8983ea1cb7d9 - Finished date:: [[2024-04-24]] ## Highlights > We suggest this framework because it’s mutually exclusive and collectively exhaustive, a.k.a. [MECE](https://en.wikipedia.org/wiki/MECE_principle). It covers all of the possibilities for why the metric could have changed ([View Highlight](https://read.readwise.io/read/01hw69hrzty2df2aexm0kdyxgq)) > Be sure to **systematically rule out** any problems that might lie with the data itself! I’ve run into real-world scenarios where I assumed my product wasn’t performing well, when actually the problem was that I hadn’t implemented the metric appropriately. ([View Highlight](https://read.readwise.io/read/01hw69sm9672v9aer4645p8xqr))