A/B Testing Defined in 60 Seconds [Animated Video]

I remember my first A/B test.

It was between two different email subject lines. The first subject line briefly described the contents of the email. The second subject line was basically the same, except I added the word “free.”

There was a lot riding on this test, too — namely my reputation.

I was new in my position, and during our first collaborative meeting with the web team, I’d pretty much put my reputation on the line.

The email copy was on display, and I had to take a second look when I read the subject line.

“We are sending that?” I asked.

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