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Microsoft Invest - Use user test groups with a split

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You can perform A/B testing with user test groups, which target distinct groups of users per split.

  1. Select the Use User Test Groups checkbox. In the User Test Group column that appears, line item traffic is evenly distributed to the existing splits (excluding the Line Item Default split).

  2. To modify a percentage, enter a new value in the Percent field. Alternatively, you can modify the percentage from the Edit Split > Setup tab by entering a new value in the % for this split field.

    Note

    When the Line Item Default split is set to active or has a budget allocation greater than 0%, the line item default will always include the remaining pool of users not targeted by the other splits. Also, the Line Item Default split will always include cookieless users. If you don't want to serve cookieless users:

    • If you're using spend allocation: Set the Line Item Default allocation to 0%.
    • If you're not using spend allocation: Set the Line Item Default split to inactive.