Topic: choice points for a user interface

Summary

Hypertext can dynamically change according to a user profile and usage history. For example, if a user expresses interests in the tax consequences of a financial decision then non-tax material may be elided.

If hypertext presents a story, the story may change to maintain the readers interest.

Typically changes occur at choice points. Once readers make a choice, further material adjusts accordingly. (cbb 4/07)

Subtopic: making a choice changes the content

Quote: Guide inquiry by replacement-buttons which when selected, replace inquiry with text [»browPJ11_1987]

Quote: in Storyspace, reader replies to text and system picks first link that matches [»boltJD11_1987]

Quote: branches are forced choice links typically in a menu, while links are conditional jumps [»vandA9_1971]

Quote: read hypertext by selecting choices with a pushbutton or light pen [»nelsTH_1967]

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