Nielsen, J. The matters that really matter for hypertext usability. In HT'89 [752], pp. 239--248.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....need to integrate experimental results has, of course, been seriously studied for theories based on modeling mathematical or statistical relationships amongst experimental variables. Examples of this form of theorizing include various forms of meta analysis of past experiments (e.g. on hypertext [120, 457], on the visual encoding of data [112] also see the review by Miller [409] the sequential experimentation method of Williges et al. 706] and the method advocated by Basili et al. 35] for disentangling and modeling performance relations (see also Basili [33] and von Mayrhauser et al. ....

Nielsen, J. The matters that really matter for hypertext usability. In HT'89 [752], pp. 239--248.

....(or human computer interface) One of the lessons that has been learned is that human beings are quite varied (for example, in planning: ad hoc vs. planning ahead; and in cognitive abilities or skills, like the skill to use formal systems or the ability to use spatial cues to their advantage) [2]. Most competent, intelligent and successful people score low on one or more of these many skills. In coping with life, they often have bypass strategies: they use other skills to overcome deficiencies. Many user interfaces are unsatisfactory because they are too narrow: they require a certain ....

Jakob Nielsen, The Matters that Really Matter for Hypertext Usability. In Proceedings of Hypertext `89, Second ACM Conference on Hypertext, Pittsburgh, Pennsylvania, pages 239---248, November 1989.

.... of hypermedia, and revealed that hypermedia could be more effective than other information systems if used properly, i.e. for users with certain characteristics or for certain types of tasks (Marchionini et al. 1990; Campagnoni Ehrlich 1989; Korthauer Koubek, 1994) This coincides with Nielsen s speculation (1993, 1989) that the user s individual differences and their tasks are the most important variables to be considered in usability of hypermedia. In fact, his analysis of ninety two published comparisons of usability of hypertext systems revealed that four of the ten largest effects in these studies were due ....

Nielsen, J. (1989). The matters that really matter for hypertext usability. Proceedings of ACM hypertext' 89, 239-248.

....decisions. Some hypertext systems generate icons to show the media type (text, audio, motion video) contained in potential nodes [3] Other systems dedicate fixed screen areas for optional summaries of potential nodes [4] Previous studies have measured the effectiveness of various mechanisms [5], and our study continues in this vein. One extremely valuable piece of information to a browser which cannot be automatically generated is a review of a node s quality. Many existing systems provide annotation mechanisms that could support reviews [6] but they require human effort. A related ....

Jakob Nielsen, `The Matters that Really Matter for Hypertext Usability', Proceedings of Hypertext '89, Pittsburgh, PA pp. 27--42 (1989).

....example different substantive material in the hypertext documents. Complexity of task had the greatest effect on levels of the various effectiveness measures. The greatest effect on efficiency levels is from the spatial ability of readers, followed by the complexity of tasks. They cite Nielsen [Nie89] as saying that age and motivation are major factors influencing hypertext readers. 3.2 What should be avoided Thistlewaite [Thi95] conducted extensive user studies with hypertext. He has identified some properties that hypertext should not have: a lack of consistent criteria for link creation: ....

Jakob Nielsen. The matters that really matter for hypertext usability. In Norman Meyrowitz, editor, Hypertext 89 Proceedings, pages 239 -- 248, Pittsburgh, Pennsylvania, 5 -- 8 November 1989. ACM, Association for Computing Machinery.

....While it would be preferable to use a fixed set of criteria and guidelines when designing and implementing electronic proceedings, there are not yet precise guidelines. In a survey of many papers describing experiments in the design of electronic publications (particularly hypertext publications) [Nielsen 1989] suggests that . there is little hope for a single, universal hypertext user interface design which will be optimal for everybody. To address this problem we begin by considering the reasons researchers use conference proceedings and the tasks they suggest. Table 2] illustrates some of the ....

Nielsen, J.: "The Matters that Really Matter for Hypertext Usability"; Hypertext'89 Proceedings (November 5-8, 1989; Pittsburgh, PA).; R. Akscyn and F. Halasz (Eds.); ACM, Press, New York, NY (1989) .

....We would like to experiment with the visualization system and evaluate its usability and potential for improving understanding, productivity, and user satisfaction . We plan to draw upon existing measurements of various issues related to hypertext usability, such as those reported in [Nie89]. In particular, we would like to study the effectiveness of providing various visual cues and of including dedicated explanations in the visualization system. In this paper we have focused on a single software development process. In most real life development environments, many processes take ....

Jakob Nielsen. The Matters That Really Matter for Hypertext Usability. In HYPERTEXT 89, pages 239--248, Pittsburgh, PA, November 1989.

....affect its usability, as readers without the necessary software or hardware may not be able to read the proceedings. However, there are other criteria one should use for judging electronic proceedings. While there are many techniques for evaluating the relative usability of two interfaces (e.g. [Nie89]) these assume a consistent content and user population. The proceedings evaluated in this section cover a wide range of topics (admittedly all in computer science, but computer science is a broad field) and make different decisions as to types of content and features. Hence, the evaluations will ....

J. Nielsen. "The Matters that Really Matter for Hypertext Usability." In [AH89], pp. 239--248.

.... design can be improved by the application of these principles and guidelines, the most influential factors on hypertext usability are individual differences among users, so that, disregarding how much effort went into good design, the system still needs to be evaluated with representative users (Nielsen 1989). 2.2 Information presentation However good the structural design of a hypertext document is, it still needs to be expressed using good presentation. There are two separate aspects of information presentation which need to be addressed. First, exactly what information needs to be present on the ....

Nielsen, J. (1989). The Matters that Really Matter for Hypertext Usability. In Proceedings of the 2nd ACM Conference on Hypertext (Hypertext '89), pp. 239-248, Pittsburg, PA, Nov. 5-8, 1989.

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NIELSEN, J. The matters that really matter for hypertext usability. In: Proceedings of Hypertext'89, Pittsburgh, ACM Press, 1989.

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, 1989.

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