Defend a metric choice under scrutiny
RobloxData Scientist · Onsite
Last updated
This question evaluates a Data Scientist's competency in metric selection, stakeholder communication, and experiment governance when defending a non-obvious primary metric.
Describe a time you chose a non-obvious primary metric (e.g., time-per-session over total time) and were challenged by a senior stakeholder. 1) How did you prepare your defense (counter-metrics, backtests, risk analysis)? 2) What tradeoffs did you acknowledge, and what guardrails or secondary metrics did you propose? 3) How did you commit to revisiting the decision (pre-registered thresholds, stop-loss, or sunset criteria) and what did you do when early evidence contradicted your choice?
Solution walkthrough is for members
Get the full walkthrough with reference code and complexity analysis, plus Kitty Coach at 300 messages a day. Hints, the code runner and community answers stay free.