The concern with our previous experiments was the skews to our KPIs because different segments of our clients weren't represented equally in both groups.
What do you mean bywebhoo...
I'm pretty sure I know what's the issue. One variation which had a gif went mostly to the promo/others tab..or maybe even the spam folder where the other went to the primary inbox ...
Most actions affect one group of our users more than others. So when we run A/B tests we wantto make sure that the 2 groups are roughly equivalent so the differences in their behav...