Uplift

multiple choice

Spot a novelty effect in a VR interface test

Experimentation & A/B Testing · Readouts & Pitfalls · easy · Reported at Meta · 7 min

A new VR interface lifts daily use by 18% in days 1–3, 7% in days 4–7, and 0% in days 8–21. Assignment and logging are healthy, and confidence intervals after day 8 include zero. Which conclusion is best?

Evaluation criteria

  • Picks the option the reasoning in the prompt supports

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Source

Adapted from a reported Meta interview question on DataLemur(opens in a new tab).

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