Yes, if the user has a role that includes the preview role, the grade will not be recorded.
Re: Quiz Completed but not showing in grades - Moodle 2.9
per Emma Richardson -
Nombre de respostes: 1
En resposta a Emma Richardson
Re: Quiz Completed but not showing in grades - Moodle 2.9
per Dave Emsley -
Yep that was it. Thanks