The Jacquard app creates three queries in Automations > Activities > Query > PhraseeData > <yourExperimentName>-Phrasee folder.
<yourExperimentName>-Splits
This query populates Data Extensions > PhraseeData > > -Splits data extension with a random selection of the email target audience.
<yourExperimentName>-SplitResults
Scheduled to run 30 minutes before the main send. This query gets the metrics for the split test email using the Salesforce Marketing Cloud assigned job ID.
<yourExperimentName>-Winner
This query is scheduled to run four days after the main send and sends Jacquard the metrics of the main send.