Log in as the administrator and use the keyboard only to navigate through the following select boxes: The report picker on grade/report/grader/index.php The language picker in the top right hand corner. "Add a block" selector on any page. The group selector in any activity The filter admin screen Try the following: Tab into the box. Use the arrow keys to scroll through the options. Tab out of the box. (Tabbing out of the select box when using Chrome on Windows will result in a page redirect) [TEST] - none of these actions should cause the page to redirect to the selected option. When ready hit enter to go to the selected option. Try using the mouse to select an option [TEST] - make sure that only clicking the button will result in being redirected to an option. Please test: On Linux, Mac and Windows with these browsers: Firefox, Chrome, Internet Explorer 8 and 9, Opera, and Safari. For added authenticity try using a screen reader to navigate around the pages.