It works based on two principles:
- Our brains are naturally good at estimating the size of things relative to each other.
- We can learn from experience to make better decisions about the future.
But there’s a lot more to the story. That’s why I’ve put together a short collection of essays on the subject below along with my go-to downloadable Reference Story Board, a key piece of the Agile estimation toolkit.
![Applied Frameworks-Reference-Story-Board](https://appliedframeworks.com/hs-fs/hubfs/Applied%20Frameworks-Reference-Story-Board.jpg?width=960&height=690&name=Applied%20Frameworks-Reference-Story-Board.jpg)