Test a shop change without a misleading novelty spike

Experiment designMedium

Problem. The team redesigned the in-client store / a new skin showcase. An A/B test shows a purchase lift in week one. How do you make sure the result is real and not a novelty spike — and keep it within Player-Experience guardrails?

Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.