There seems to be two contradicting conventions on web applications. One is that a Dropdown-control also is an action button, meaning that when a user selects an item in the Dropdown control, an event ...
Are there any studies on drawer type navigation such as: http://www.ibm.com/us/en/ where the navigation pushes down content, compared to traditional drop down menus where navigation covers up content? ...
This is something I've always wondered. On all major operating systems, application menus (File/Edit/View etc) only appear on click. However, nearly every web site that uses a drop-down menu ...