Does feedback that has been published appear to students even if the grade item is hidden?

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I am working with a faculty member where students are able to view the feedback for the Final test with grade item hidden.

 

The instructor says feedback was added when grading through Enter Grades in the course, and students are able to view the feedback when going and viewing their attempt on the Final test.

I suspect this is expected behavior, but I wanted to confirm that is the case. The instructor does not believe feedback should be able to be viewed when the grade item is hidden.

 

Thanks for any help!