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Usability Engineering

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iconZusammenfassungen

This book is a guide to the methods of usability engineering. It provides the tools needed to avoid usability surprises and improve product quality. Step-by-step information on which method to use at various stages during the development lifecycle are included, along with detailed information on how to run a usability test and the unique issues relating to international usability. This guide emphasizes cost-effective methods that developers can implement immediately and instructs readers about which methods to use when, throughout the development lifecycle, which should ultimately help in cost-benefit analysis. It shows readers how to avoid the four most frequently listed reasons for delay in software projects and includes detailed information on how to run a usability test. It covers issues of international usability and features a bibliography allowing readers to find additional information.
Von Klappentext im Buch Usability Engineering (1994)
Matthias DreierJakob Nielsen is currently the best-known usability expert and this book is the main reason for his fame. The book consists of ten chapters covering numerous usability methods and design principles. It also comprises a 100-page appendix including exercises and lists of important monographs, papers, conferences, and journals.
The executive summary starts with usability anecdotes and focuses on cost savings and discount usability. Key usability concepts are expressed in rather simplified slogans, e. g. “the user is always right" and “designers are not users."
A more thorough definition of usability is given in chapter two. Usability is seen as part of the overall system acceptability and has five components: Learnability, efficiency, memorability, error handling, and user satisfaction. Usability has to take into account not only the system itself but also the user’s experience, domain knowledge, and work environment.
Chapter three illustrates the history of user interfaces and usability aspects related to these interfaces. Nielsen outlines long-term trends in usability and predicts that usability is not likely to improve very much. The selection of the appropriate user interface type for a given task is illustrated using Ben Shneiderman’s taxonomy of interaction styles.
The usability engineering lifecycle is presented in chapter four. The focus is on early usability efforts, iterative design and participatory approaches. Methods like task analysis, prototyping and competitive analysis are presented. Usability metrics and financial impact analysis are treated as well.
Ten basic usability heuristics are introduced in chapter five. These principles include feedback, shortcuts, good error messages, and most important of all: consistency. Heuristic evaluation is described as one method of assessing usability in a cost-effective way.
User testing being the “most fundamental usability method" is presented in chapter six. Nielsen explains in detail how to plan a test, how many test users might be appropriate, and what methods are suitable for given test tasks. He then describes the stages of a test and the equipment needed.
Chapter seven presents usability assessment methods beyond testing. Advantages and disadvantages of questionnaires and interviews are compared. Other methods more useful when designing a completely new interface or after the system has been released are described, too.
User interface standards are described in chapter eight. Again, consistency is mentioned as the most important principle. Difficulties in designing and implementing standards are discussed. Standards themselves often have usability problems, i. e. they are formulated to fuzzy or to low-level. Interface designers prefer example interfaces to written explanations.
Chapter nine addresses international user interfaces. Problems arise not only from translation but also from different character sets in foreign countries. Along with foreign characters, difficulties with sorting, capitalisation and highlighting occur. Iconographic interfaces do not fully resolve these problems because icons and colour coding are not universal. Nielsen recommends conducting at least one usability test with a foreign user.
Future developments are outlined in chapter ten. Nielsen is not too optimistic about some “magic" technology dramatically decreasing usability problems in the future. Speech recognition has been said to replace traditional input devices for many years. Expert systems and “intelligent" help systems promised to reduce usability problems. Much research has been conducted in the field of formal methods but they did not live up to their promise.
“Usability Engineering" is a comprehensive introduction to usability methods and interface design. The book is full of practical advice ready to be applied in real-world settings. The executive summary should be read by anyone who is involved in interface design. Developers find useful design principles in chapter five. Usability laboratory staff will appreciate chapters six and seven. The usability engineering lifecycle presented in chapter four includes all stages of interface development from task analysis and prototyping to evaluating the final product. The book is certainly a must-read for practitioners and researchers in the field, however not everyone needs to read the whole book. The chapter on international user interfaces only addresses people who are actually involved in designing multi-lingual interfaces. Equally, the extensive appendix only appeals to those who are indeed interested in background information, e. g. students in the field of human factors. Chapter three on the history of user interfaces is a little bit dated. Interfaces have changed a lot since 1993: graphical user interfaces have largely replaced command-line interfaces and the World Wide Web has leveraged the interface style known as hyper-text. Searching has become more important than navigating. Nevertheless, this book contains usability methods and design principles not likely to be out-dated in the next ten years.
[from www.elearning-reviews.org]
Von Matthias Dreier, erfasst im Biblionetz am 17.05.2005

iconBemerkungen zu diesem Buch

Jakob NielsenEin Lehrbuch fiir den Entwurf einfach zu benutzender Schnittstellen mit vielen Beispielen aus dem Hypertextbereich. Eine überarbeitete Version erschien 1994 als Taschenbuch.
Von Jakob Nielsen im Buch Multimedia, Hypertext und Internet (1996) im Text Bibliographie mit Anmerkungen auf Seite 432

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iconDieses Buch erwähnt...


Personen
KB IB clear
Donald A. Norman

Aussagen
KB IB clear
Benutzer sind keine Designer
Das eigene Gefühl ist nicht gut genug (für Usability)
Der Benutzer hat immer recht.
Der Benutzer hat nicht immer recht.
Designer sind keine Benutzer
Details spielen eine Rolle.
Hilfe hilft nicht (bei Usability)
Keine Wappen zur Sprachwahl verwenden.
Know your audience/user/customer
Usability Engineering ist ein Prozess.
Vizepräsidenten sind keine Benutzer
Weniger ist mehr

Begriffe
KB IB clear
Computercomputer, CSCWComputer-supported collaborative work, Designdesign, Efficiency (Usability-Dimension)Efficiency, Errors (Usability-Dimension)Errors (Usability-Dimension), GUI (Graphical User Interface)Graphical User Interface, Interaktioninteraction, Kommunikationcommunication, Learnability (Usability-Dimension)Learnability, Memorability (Usability-Dimension)Memorability, PrototypingPrototyping, Satisfaction (Usability-Dimension)Satisfaction (Usability-Dimension), Software EngineeringSoftware Engineering, UsabilityUsability, User Interface (Benutzerschnittstelle)User Interface, User/BenutzerUser, Virtualitätvirtuality
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Bücher
Jahr UmschlagTitelAbrufeIBOBKBLB
1988    The Design of Everyday Things (Donald A. Norman) 1, 1, 2, 3, 6, 4, 3, 4, 3, 4, 3, 126220124975

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iconZitate im Buch

Jakob NielsenLess is more
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 15
Jakob NielsenHelp doesn't
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 16
Jakob NielsenDetails matter
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 15
Jakob NielsenUsers are not designers
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 12
Jakob NielsenDesigners are not users
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 13
Jakob NielsenThe user is always right
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 11
Jakob NielsenThe user is not always right
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 11
Jakob NielsenVice presidents are not users
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 14
Jakob NielsenUsability engineering is process
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 16
Jakob NielsenYour best guess in not good enough
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 10
Jakob NielsenUsers often do not know what is good for them
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 11
Jakob NielsenKnowing about a system is a one-way street. One cannot go back to knowing nothing.
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 13
Jakob NielsenUsability is not a quality that can be spread out to cover a poor design like a thick layer of peanut butter.
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 16
Jakob NielsenThere are many different ways of measuring usability, and no single measure will be optimal for all projects.
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text What is Usability? auf Seite 40
Jakob NielsenUsers have a very hard time predicting how they will interact with potential future systems with which they have no experience.
Von Jakob Nielsen im Buch Usability Engineering (1994) im Text Executive Summary auf Seite 12

icon Vorträge von Beat mit Bezug

  • Usability? oder Das Leben ist keine Analysis-Übung!
    1/4h Vortrag im Rahmen der Vorlesung Informatik-Projektentwicklung (Prof. C. A. Zehnder)
    ETH Zürich, 05.02.2001

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iconErwähnungen Dies ist eine nach Erscheinungsjahr geordnete Liste aller im Biblionetz vorhandenen Werke, die das ausgewählte Thema behandeln.

iconCo-zitierte Bücher

Buchcover

Mensch Maschine Methodik

Human-Computer Interaction

( Personenreihenfolge alphabetisch und evtl. nicht korrekt Gregory Abowd, Russell Beale, Alan Dix, Janet Finlay) (1993)    
Buchcover

Web Style Guide

Basic Design Principles for Creating Web Sites

(Patrick J. Lynch, Sarah Horton) (1999)  
Buchcover

The Design of Everyday Things

The psychology of everyday things

(Donald A. Norman) (1988)    
Buchcover

Designing Web Usability

The Practice of Simplicity

(Jakob Nielsen) (1999)  
Buchcover

Designing the user interface

Strategies for effective human-computer interaction

(Ben Shneiderman) (1987)

iconVolltext dieses Dokuments

LokalUsability Engineering: Gesamtes Buch als Volltext (lokal: PDF, 24296 kByte)

iconStandorte Eine Liste von Orten, wo das Objekt physisch vorhanden ist.

Beat ( 01.11.1999), D-INFK (IO.93.6 )

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Titel FormatBez.Aufl.JahrISBN      
Usability EngineeringEPaperback-119940125184069SwissbibWorldcatBestellen bei Amazon.deBuy it now!Bei Google Books anschauen
Usability EngineeringEGebunden--19940125184050SwissbibWorldcatBestellen bei Amazon.deBuy it now!Bestellen bei ebook.de

iconBeat und Dieses Buch

Beat hat Dieses Buch während seiner Assistenzzeit an der ETH Zürich ins Biblionetz aufgenommen. Die bisher letzte Bearbeitung erfolgte während seiner Zeit am Institut für Medien und Schule. Beat besitzt ein physisches und ein digitales Exemplar. (das er aber aus Urheberrechtsgründen nicht einfach weitergeben darf). Beat hat Dieses Buch auch schon in Vorträgen erwähnt.

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