Hello,With Post-Test segmentation, each segment (in your example, mobile
is one segment and desktop is another segment) represents a separate
test. If there is no difference in the conversion rate, each time you
test a segment, the probability of a false positive equals the
significance level. Each time that you do post-test segmentation, the
likelihood of a false positive will increase but this should not stop
you and your team from doing post-test segmentation as it is very
valuable. There are...