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All Things Data-Driven Marketing

Statistical power

Years ago, when I first started split-testing, I thought every test was worth running. It didn’t matter if it was changing a button color or a headline—I wanted to run that test.

My enthusiastic, yet misguided, belief was that I simply needed to find aspects to optimize, set up the tool, and start the test. After that, I thought, it was just a matter of awaiting the infamous 95% statistical significance.

I was wrong.

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Should how fallacy

Get a chicken. Cook it until it’s perfectly done. Reduce the jus to a nice pan sauce. Then finish it with some butter until it has the right balance of flavors. Enjoy.

This is a useless recipe, but it’s not wrong. It assumes, however, that accurate advice on what you should do is as valuable as advice on how to do it—the “Should-How Fallacy.”

But being right doesn’t create value; empowering others to succeed does.

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Peak Ace

Peak Ace is an international digital marketing agency headquartered in Berlin, Germany. It specializes in digital strategy and AI solutions, paid advertising, organic search, content marketing, conversion rate optimization, and digital analytics.

The agency has over 210 employees servicing more than 200 clients across 30 industries. Its clients include Airbnb, TUI, Sage, AutoScout24, Luxair, and more.

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