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UX Research
A/B Testing & Experimentation — Quiz
5 questions
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Question 1 of 5
A/B Testing & Experimentation
A team runs an A/B test on a checkout page, declares victory when p < 0.05 on day 3, and ships the winner. Which statistical problem does this most directly illustrate?
Insufficient baseline conversion rate
Peeking and early stopping, which inflates the false positive rate
Failure to segment results by device type
Using a two-proportion z-test instead of a t-test
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