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progressive disclosure
Progressive disclosure is an interaction design technique often used in human computer interaction to help maintain the focus of a user's attention by reducing clutter, confusion, and cognitive workload. This improves usability by presenting only the minimum data required for the task at hand. The principle is used in journalism's inverted pyramid style, learning's spiral approach, and the game twenty questions.
== Definition and term use ==
Progressive disclosure is an interaction design technique that sequences information and actions across several screens in order to reduce feelings of being overwhelmed for the user. By disclosing information progressively, you reveal only the essentials and help the user manage the complexity of feature-rich sites or applications. Progressive disclosure follows the typical notion of moving from "abstract to specific"; only it may mean sequencing interactions and not necessarily level of detail (information). In other words, progressive disclosure is not just about displaying abstract then specific information, but rather about 'ramping up' the user from simple to more complex actions.
In its most formal definition, progressive disclosure means "to move complex and less frequently used options out of the main user interface and into secondary screens".
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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