Requirement A course with some activities (e.g. assignment) One or more students enrolled in the course who participated in any activity (e.g. submitted an assignment) One or more students enrolled, but are inactive. Test Log in as a teacher. In a course, open the course menu and go click More... . Under Reports, click " Course participation " Choose an activity module (e.g. an assignment) Under " Show only ", choose " Student " Press " Go " Check the particpation report table. Confirm that you see a master checkbox for the Select column. Confirm that without any item being selected on initial load, the " With selected users... " select box at the bottom of the table is rendered as disabled. Check the behaviour of master checkbox in the Select column. Confirm that: When it's ticked, all users become selected When you untick it, all users become deselected Check the behaviour of " Select all 'No' " master button. Confirm that: When it's clicked, all users with " No " under the " All actions " column become selected and that it's button text becomes " Deselect all 'No' " When you click it again with all users selected, all users with " No " under the " All actions " column become deselected and that it's button text becomes " Select all 'No' " Check the effect of clicking of one or more grade item checkboxes. Confirm that: When you tick all items: the master checkbox on the Select column gets ticked. The " Select all 'No' " button text becomes " Deselect all 'No' " When all users are selected you untick at least one user's checkbox, the master checkbox becomes unticked. When all " No " users are selected you untick at least one " No " user's checkbox, the master button's text becomes " Select all 'No' ". Check the behaviour of the " With selected users... " select box. Confirm that: When at least one user is selected, the select box is enabled. When there's no user selected, the select box is disabled. When you select an option (e.g. Send message), the " Send message to N people " modal dialogue will be shown.