Design an A/B Test for Search Results — practice

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Design an A/B Test for Search Results[ OK ] 815 — full content available
[ INFO ] category: System Design · Product Management  difficulty: medium  freq:   first seen: 2026-02-18
[MEDIUM][PRODUCT MANAGEMENT]experimentationa-b-testingstatistics
$ cat problem.md
Your team wants to test a new search results ranking algorithm. Design a complete A/B test plan.
Include:
Hypothesis and what you're testing
Primary and secondary metrics
Sample size calculation approach
Test duration and traffic split
Guardrail metrics
How you'd analyze results and make a ship/no-ship decision
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