Question 6 of 10Pro Only
How do you handle multiple comparisons in A/B testing? When should you apply corrections, and what methods are available?
Sample answer preview
Multiple testing occurs in A/B tests when you analyze many metrics, compare multiple variants, segment results across many groups, or run tests in sequence. Without correction, the probability of at least one false positive grows rapidly with the number of tests, undermining the…
multiple testingBonferroniHolm-Bonferronifalse discovery rateFDRfamily-wise error