How do I assign a submission to a group?

To assign a submission to a group:

Click the "Data Management" clipboard icon on the lefthand bar
Click the "Submissions" option
Select the checkbox next to the submissions you would like to assign to a group
In the dropdown in the bottom left corner, select the "Assign Group"
Under the dropdown titled "Select Group(s)", choose the group(s) you would like to assign the submission to
Select "Save"