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The tick boxes will update when clicked on (for manual completion) or automatically when the relevant completion criteria are met e.g. when the activity is viewed, an entry is added, or a submission is made depending on the type of activity. In the event that this does not seem to be working, the student should contact the module leader for advice.
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https://youtuwww.youtube.be/5iZp-9KuD84com/watch?v=HQHl_oIvJlI
For more guidance on Activity completion please see: