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I don't follow. If one bucket has many more iOS users, it seems like you have done a bad job randomizing your treatment?
by whimsicalism 3y ago
I don't follow. If one bucket has many more iOS users, it seems like you have done a bad job randomizing your treatment?
- BoppreH 3y agoIt could be self-selection happening after you randomized the groups. For example a desktop landing page advertising an app, which might be installed on either mobile operating system.