3
votes
2answers
202 views

Should a popup close automatically after a user selects an option from a tree menu?

For a popup window that requires the user to select one option only from a tree menu, should the selection of this option automatically close the popup? I think this would break the fundamental rule ...
6
votes
4answers
356 views

For novice users, is it better to keep the entire UI visible, or to display menus and pop-ups?

I am working on a user interface for a point of sale system to be used in a retail store. This interface will be used by volunteer cashiers, many of which have only basic computer skills. With this ...