User Interface Design and Ergonomics - National Open University of ...

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interfaces, so that a realistic simulation can be provided. It also helps if the wizard’s interface can intentionally dumb down the responses, as was done in the Gould study. A key challenge in designing a Wizard of Oz prototype is that you actually have two interfaces to worry about: the user’s interface, which is presumably the one you’re testing, and the wizard’s. 4.0 CONCLUSION In this unit, you have been introduced to various prototyping methods and tools. Fidelity of prototypes like Low-Fidelity, Medium-Fidelity and High-Fidelity Prototypes was also discussed in detail. User Interface modes and modalities was also introduced along with a discussion on widgets. 5.0 SUMMARY The fidelity of prototypes refers to how accurately the prototypes resemble the final design in terms of visual appearance, interaction style, and level of detail. Low-fidelity prototypes, also know as Lo-fi prototypes, depict rough conceptual interface design ideas. Low-fidelity prototypes consist of little details of the actual interface. High-fidelity prototypes also known as Hi-fi prototypes allow users to interact with the prototypes as though they are the end product. High-fidelity prototypes strongly represent the final product in terms of visual appearance, interactivity, and navigation. User interface prototyping tools include interface builder or multimedia design tools. However, there are several limitations in using these types of tools because they hinder the design process. Interface builders are tools for creating and laying out user interfaces by allowing interface components to be dragged and placed into position on the desired window or dialog box. Multimedia design tools are often used in designing user interfaces, not because they are particularly well suited for software interfaces, but rather because of the lack of better prototyping-specific tools. Widgets are reusable user interface components. They are also called controls, interactors, gizmos, or gadgets. 6.0 TUTOR MARKED ASSIGNMENT. a. List and explain the different types of Information Systems. b. Write a short note on the areas of application of IS 130
7.0 FURTHER READING AND OTHER RESOURCES Petrie, J. (2006). Mixed-Fidelity Prototyping of User Interfaces. M.Sc thesis. Ambler, S.W. (2001). The Object Primer 2 nd Edition: The Application Developer’s Guide to Object Orientation. New York: Cambridge University Press. Piccolo home page: http://www.cs.umd.edu/hcil/piccolo/ 131
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] NATIONAL OPEN UNIVERSITY OF NIGER
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National Open University of Nigeria
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Summary ...........................
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UNIT 3 - GRAPHICAL USER INTERFACE (
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Assignments File Tutor-Marked Assig
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2 DESIGN and DESIGNING GOOD USER IN
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need both the study unit you are wo
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CIT 711: USER INTERFACE DESIGN AND
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UNIT 1 FUNDAMENTALS OF USER INTERFA
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3.3 TYPES OF USER INTERFACES Curren
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3.5 USER INTERFACE MODALITIES AND M
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Table of Contents 1.0 Introduction
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3.1.1 DESIGNING A GOOD USER INTERFA
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widgets properly is to read and und
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Figure 1:- Showing that alignment o
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6.0 TUTOR MARKED ASSIGNMENT a. How
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A graphical user interface is a typ
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Operating System. It is easy for a
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A list of items from which to selec
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collaborative work. For example, sc
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MODULE 1 UNIT 4 HUMAN COMPUTER INTE
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3.3 DIFFERNCES WITH RELATED FIELDS
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window blinds to automobile braking
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Wickens, Christopher D., John D. Le
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The International Ergonomics Associ
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approach, the Gilbreths reduced the
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3.6 BENEFITS OF ERGONOMICS The thre
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Another key to reducing lumbar disc
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MODULE 2 - USER INTERFACE DESIGN TE
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methods include inspection methods,
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Determine time of each operation (b
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unable to understand new informatio
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M cones, or, misleadingly, green co
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Motor skill which is a learned seri
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MODULE 2 UNIT 2 UNDERSTANDING USERS
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The users of a system must be ident
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This example brings up an important
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whether you want to have a palette
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Task analysis which includes identi
Page 80 and 81: MODULE 2 UNIT 3 USER CENTERED DESIG
Page 82 and 83: or small body text is also hard to
Page 84 and 85: Introduction to User-centered desig
Page 86 and 87: organizations themselves. Interacti
Page 88 and 89: After thorough analysis using vario
Page 90 and 91: Interaction design which is the dis
Page 92 and 93: In human-computer interaction and c
Page 94 and 95: The preferred method for ensuring u
Page 96 and 97: 3.4 ISO STANDARDS FOR USABILITY ISO
Page 98 and 99: In this unit, you have been introdu
Page 100 and 101: affect the way the command is execu
Page 102 and 103: • Guides the user via the predefi
Page 104 and 105: The term direct manipulation was in
Page 106 and 107: There are two important reasons for
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Page 110 and 111: UNIT 1 PROTOTYPING Table of Content
Page 112 and 113: Figure 12: The iterative steps of p
Page 114 and 115: select print Figure 13: An interfac
Page 116 and 117: Ambler, S.W. & Constantine, L.L. (2
Page 118 and 119: 3.2 LOW-FIDELITY PROTOTYPES Low-fid
Page 120 and 121: Figure 14:- Example of Sketching II
Page 122 and 123: Much more important for features th
Page 124 and 125: DENIM, an extension of SILK, is a t
Page 126 and 127: • Encourage menu & forms style, r
Page 128 and 129: Another problem is that native widg
Page 132 and 133: UNIT 3 INPUT AND OUTPUT MODELS Tabl
Page 134 and 135: Recall that perceptual fusion means
Page 136 and 137: 3.2 OUTPUT MODEL There are basicall
Page 138 and 139: directly-mapped pixel image will no
Page 140 and 141: Most stroke models also include som
Page 142 and 143: UNIT 4 MODEL VIEW-CONTROLLER (MVC)
Page 144 and 145: 3.3.2 AS A DESIGN PATTERN MVC enco
Page 146 and 147: The Views are XForms controls for s
Page 148 and 149: UNIT 5 LAYOUTS AND CONSTRAINTS Tabl
Page 150 and 151: 3.5 CONSTRAINTS Constraints are rel
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Page 154 and 155: MODULE 4 UNIT 1 TECHNIQUES FOR EVAL
Page 156 and 157: a. Card Sorting Card sorting is a w
Page 158 and 159: Rapid prototyping is a method used
Page 160 and 161: 3.2.1 THE USE OF PROTOTYPES It is o
Page 162 and 163: Dumas, J.S. and Redish, J.C. (1999)
Page 164 and 165: the users' respect for you as a pro
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Page 168 and 169: speed whenever the average load was
Page 170 and 171: Table 4:- Table: Average times for
Page 172 and 173: phases: list the actions, and then
Page 174 and 175: Nielsen and Molich used their own e
Page 176 and 177: 7.0 REFERENCES AND FURTHER READING
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If you are led to develop more and
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It's very easy to shape the comment
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a. Analyzing the Bottom-Line Number
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you use. But then you need some way
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ecruit test users with more similar
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MODULE 4 UNIT 4 OTHER EVALUATION IS
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3.2 CURRENT ISSUES CONCERNING EVALU
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2.0 OBJECTIVES By the end this unit
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It provides a real focal point for
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3.3.4 CONDUCTING THE TEST Having co
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The stages involved in usability te
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