Sample ratio mismatch checkerby PaywallLab

Users in each group

Sample ratio mismatch: don't trust this test yet

With the split you planned, groups this uneven would happen by chance less than 1 time in 1,000 (p < 0.0001). Something is dropping or double-counting users in one group.

GroupObservedExpectedDifference
Control50,31250.67% of users49,645+1.34%
New paywall48,97749.33% of users49,645-1.34%

Chi-square goodness of fit: χ² = 17.95, 1 degree of freedom. Flagged when p < 0.001. How this works