Execution · Difficulty 4/5

Suspecting a seasonality artifact

A PM interview practice question for SENIOR, STAFF candidates.

The prompt

Your A/B started the week of a holiday and shows a 4% lift. Could it be real? Walk through how you would check for a seasonality artifact, and what you would do about it.

Concepts this question tests

How to practice it in PrepOS

PrepOS's adaptive queue surfaces this question when you calibrate to a matching target level and your weakest concepts overlap with what it tests. Open the practice simulator and select the round type to start a rep with this prompt.

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Round: Execution
Target levels: SENIOR, STAFF
Source: original · Reviewed by PrepOS seed