# Technical presentation challenge bank

Have an observer interrupt with at least eight questions.

## Problem and evidence

- Why was this the right problem rather than the most visible problem?
- Which assumption had the weakest evidence at the start?
- What result would have caused you to stop?
- How do you know the outcome was caused by your intervention?

## Architecture and implementation

- Which component fails first at ten times the workload?
- Why did you reject the simpler baseline?
- What did the abstraction hide that later mattered?
- Which invariant would you encode in a test today?

## Modeling and evaluation

- Which slice moved in the opposite direction from the aggregate?
- Where could leakage have entered?
- What did the offline metric fail to represent?
- Which alternative explanation survived your ablation?

## Ownership and leadership

- What decision was yours alone?
- Where did another person change your mind?
- What conflict did you fail to resolve quickly?
- What would your strongest critic say you got wrong?

## Counterfactuals

- What changes if latency is cut in half?
- What changes if labels arrive a month late?
- What changes if the project loses half its compute?
- What changes if the safety cost is ten times higher than expected?