Match each of the key terms above with the definition that best fits it.

Error rate

____ A usability dimension concerned with how difficult it is for the user to perform a task for the first time.

____ A Web design approach that separates content from the way in which it is formatted and presented, making ongoing maintenance easier and site-wide consistency much higher.

____ A simple design to show the placement of information elements on a screen and the space needed for each element.

____ An overall evaluation of how a system performs in supporting a particular user for a particular task.

____ A usability dimension concerned with how quickly users can perform tasks once they know how to perform them.

____ A business document that contains only predefined data; it is a passive document used only for reading or viewing. It typically contains data from many unrelated records or transactions.

____ A usability dimension concerned with how many errors a user might encounter and how easy it is to recover from those errors.

____ A business document that contains some predefined data and may include some areas where additional data are to be filled in. An instance on such a document is typically based on one database record.

____ A usability dimension concerned with how easy it is to remember how to accomplish a task when revisiting the system after a period of time.

____ Small, simple images that allow a Web page to be displayed more quickly.

____ A usability dimension concerned with how enjoyable a system’s visual appeal is and how enjoyable the system is to use.

____ A series of mock screens that can be used to test content, look, and feel, as well as the task flow and other usability factors.