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Is thumbnail A/B testing sequential or in parallel? Here’s the answer!
27,161 görüntüleme • 2 yıl önce •via X (Twitter)
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Will there be an option in the future to let the A/B testing pick the winning thumbnail in the first few hours?

The bounding factor isn’t time, it’s data. There has to be enough time to get enough data to pick the winner. If you were to pick an arbitrary time like the first few hours, there’s a likelihood you wouldn’t have enough data to pick a winner. Make sense?

What's the threshold for a thumbnail test to complete "early"? Ran one expecting it to take two weeks but a winner was decided in a day. Is it a certain number of impressions? Fixed percentage of watch time being hit?

Enough data to determine with statistical confidence

Pls add this for live streams also or atleast when live is done we can run the test

Why did you stop posting on YouTube?

Ah, great to know! Thanks for this, Rene. 🙌

If I use 3 thumbnails, will they target 3 different audiences, or is it just random?

Thanks for the answer!
