Designing Usable Electronic Text: Ergonomic Aspects Of Human Information Usage

Designing Usable Electronic Text: Ergonomic Aspects Of Human Information Usage

Andrew Dillon

Language: English

Pages: 224

ISBN: 041524059X

Format: PDF / Kindle (mobi) / ePub

Designing Usable Electronic Text: Ergonomic Aspects Of Human Information Usage

Andrew Dillon

Language: English

Pages: 224

ISBN: 041524059X

Format: PDF / Kindle (mobi) / ePub


Poor design and a failure to consider the user often act against the effectiveness in online communication. Designing Usable Electronic Text, Second Edition explores the human issues that underlie information usage and stresses that usability is the main barrier to the electronic medium's campaign to gain mass acceptance. The book is a revision of the successful First Edition with a new emphasis on the Web and hypertext design and their impacts. With the emergence of new uses of information, such as e-commerce and telemedicine, text presentation will take on a new and greater importance. Its focus on the design framework and its empirical approach make it a unique book.

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books are also big business. In 2001 it is estimated that more than 1.6 billion books were sold in the US, generating $25 billion of revenue. Electronic books sell in minute figures in comparison, but even they are experiencing double digit rates of growth in recent years as new technologies evolve. While it is typical to discuss such developments in terms of falling hardware costs and technological advances, it is, at least for the humanists and social scientists among us, more interesting to

dynamics, visual angle of view and image polarity. Flicker Since the characters are, in effect, repeatedly fading and being regenerated it is possible that they appear to flicker rather than remain constant. The amount of perceived flicker will obviously depend on both the refresh rate and the phosphor’s persistence; the more frequent the refresh rate and the longer the persistence, the less perceived flicker. However, refresh rate and phosphor persistence alone are not sufficient to predict

typically rely on identifying small units of behaviour, decomposing them into their assumed cognitive primitives, analysing them with respect to time and errors, and then developing an approximate model which accounts for performance within certain boundaries such as error-free expert performance. Such models of user behaviour with technology exist not only for text-editing but also in less extreme forms for menu navigation (Norman and Chen 1988), item selection with input devices (Card et al.

information usage. These projects were coupled with a variety of short-term consultancies on human factors for numerous industrial software companies and departments throughout Europe. Our philosophy was always one of ‘show me the data’, and we published many studies and critiques of designs in those years based on our user tests. In 1993 I left HUSAT for the US, ending up in my present position in Austin at the new School of Information at The University of Texas, after 8 years at Indiana

It does not suggest that these are the only issues that can be validly described as reading, nor does it imply that any one of these is more/less important in the whole process. Furthermore, it does not suggest that traditional research paradigms on reading are wrong. Its intention is © 2004 by CRC Press LLC to provide a level of discourse appropriate to the examination of reading in the context of information technology. The scope of the framework Each of the elements in the framework raises

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