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#ask-questions
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# ask-questions
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orange-train-515

11/02/2021, 1:10 PM
Hi there. Is there an efficient way to run A/B test for increasing retention? I see there is an option to set up a metric of the "duration" type but it's not quite the same
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future-teacher-7046

11/02/2021, 1:29 PM
It depends on how you define retention. I've seen it defined some places as the "percent of people who come back a week after being put into the experiment". In that case, it would be a binomial metric
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orange-train-515

11/02/2021, 1:32 PM
Oh, that's right. That's something to get me started
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