Tier 3 · CRO + Gamification
Sample Size
Definition
Sample Size
Sample size is the number of observations a test needs to detect an effect of a given size. Planned in advance it sets the test duration; ignored, it invites false positives.
Sample size is the number of observations a test needs to detect an effect of a given size. Planned in advance it sets the test duration; ignored, it invites false positives.