Uplift

multiple choice

Big week-1 lift that fades to zero

Experimentation & A/B Testing · Readouts & Pitfalls · easy · Company-context scenario · 5 min

A redesigned button shows +8% engagement in week 1, but by week 4 treatment and control are indistinguishable. What is the most likely explanation?

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  • Picks the option the reasoning in the prompt supports

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Source

Company-context scenario built from real product constraints. It is not represented as a verbatim interview question.

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