- Create a segment named "A/B one"
- Add the desired contact lists.
- Scroll to the bottom, select "select subset," and choose a randomized percentage or count.
- Create a segment named "A/B two"
- Add the desired contact lists.
- Scroll to the bottom, select "select subset," and choose a randomized percentage or count.
- Add a list membership rule for "not in segment A/B one."
- In "A/B one," add a list membership rule for "not in segment A/B two."
You can send different broadcasts to each segment—this method isn’t limited to testing subject lines or message bodies; you can experiment with an unlimited number of variables.