FC-0068 docs: Update How-tos edunext 1

source/educators/how-tos/advanced_features/change_group_configuration_content_experiment.rst

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+.. _Change Group Configuration for a Content Experiment:
+
+Change the Group Configuration for a Content Experiment
+#######################################################
+
+You can change the group configuration for a content experiment. When you
+change the group configuration, you edit the content for any additional groups
+in the group configuration. You can use the components from the previous
+groups, as well as create new components.
+
+.. warning::   Changing the group configuration of a learner-visible content
+   experiment will affect the experiment data.
+
+#. Open the unit that contains the content experiment.
+
+#. In the content experiment component, select **Edit**.
+
+   .. image:: /_images/educator_how_tos/content_experiment_editor_group2.png
+    :alt: An image of the content experiment editor in Studio, with a group
+        configuration selected.
+    :width: 600
+
+#. Select a different group configuration.
+
+#. Select **Save**.
+
+#. You must now add components to the new groups in the experiment. Select
+   **View** to open the content experiment.
+
+   You see that groups for the new configuration are empty, and any components
+   that you had added to groups in the previous configuration are now moved to
+   a section called **Inactive Groups**.
+
+   .. image:: /_images/educator_how_tos/inactive_groups.png
+    :alt: An image of a content experiment in Studio, with components in an
+        inactive group.
+    :width: 600
+
+#. Drag and drop components from the **Inactive Groups** section into the new
+   groups. You can also create new components in the new groups.
+
+.. seealso::
+ :class: dropdown
+
+ :ref:`Offering Differentiated Content` (concept)
+
+ :ref:`Overview of Content Experiments` (concept)
+
+ :ref:`Configure Your Course for Content Experiments` (how-to)
+
+ :ref:`Add a Content Experiment in OLX` (how-to)
+
+ :ref:`Create Content for Content Experiment Groups` (how-to)
+
+ :ref:`Create a Content Experiment` (how-to)
+
+ :ref:`Add Content Experiments to Your Course` (reference)