When a student clicks the Submit for Grading button on the last page of an assessment or the Table of Contents, they are taken to an Assessment Submission Warning screen to confirm their submission.  If they do not click the final Submit for Grading button to confirm, and the assessment is NOT timed, their responses may be saved, but the assessment will remain In Progress.

Instructors do not have access to the content of In Progress assessments.  On the Total Scores screen, students with incomplete submissions would be listed as having No Submission recorded.

However, if a student has not yet submitted a copy of an untimed assessment, an instructor can retrieve their submission using the Automatic Submission (Autosubmit) feature in Tests & Quizzes.