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divyas46613305
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divyas46613305
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divyas46613305
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18-05-2020

Hi, I am trying to understand the sample size calculator. As with the increase in the lift percentage, the no of days to complete the test is less. Example - if Lift is 15% then Days to complete test is 2 if daily visitors are 1242.
So, how it is calculating this no of days. Could anyone explain how this field nos. are calculating(no of days)

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TanviAgarwal89
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TanviAgarwal89
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TanviAgarwal89
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20-05-2020

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TanviAgarwal89
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TanviAgarwal89
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TanviAgarwal89
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20-05-2020

The number of days are based on number of visitors/day.

And

Lift is directly related to the number of visitors of the page.

If you want the A/B test to have a high probability of detecting a very small lift, the number of visitors that must be included in the test would be prohibitively large. The reason for this is that, if the difference in conversion rate is small, both conversion rates must be estimated with high accuracy to identify the difference, which requires a large number of visitors.

Hope that helps. You can find more explanation here > https://docs.adobe.com/content/help/en/target/using/activities/abtest/sample-size-determination.html...

Eric_Vidana
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Eric_Vidana
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