BDTP. Measuring the ROI of Email with Claudiu Murariu
UI Breakfast: UI/UX Design and Product Strategy
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How to Write the Story First
A decent sample size that it's even worth to start measuring and what timeframe is important. You could get statistical significant results in the first three days, just in the next couple of days to not be statistical significant anymore. It's important to have a minimum period of time,. two weeks, probably it's the minimum. Sample size, I would say minimum hundreds. Like if you're analyzing tens, that's not statistics, like hundreds, 300, 500 signups or people that receive emails and then get statisticalsignificant results.
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