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

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6.0 TUTOR MARKED ASSIGNMENT a. How do you ensure that the interface support both novices and expert? b. Write a short note on the design of a user interface for a user with hearing disability. 7.0 FURTHER READING AND OTHER RESOURCES www.wikipedia.org http://www.linfo.org/gui.html 32
MODULE 1 UNIT 3 GRAPHICAL USER INTERFACE Table of Contents 1.0 Introduction 2.0 Objectives 3.0 Main Content 3.1 Introduction to Graphical User Interface 3.2 History of Graphical User Interface 3.3 Elements of Graphical User Interface 3.4 Three Dimensional Graphical User Interface 4.0 Conclusion 5.0 Summary 6.0 Tutor Marked Assignment 7.0 Further Reading and Other Resources 1.0 INTRODUCTION This unit describes the general concept of Graphical user interface (GUI) and also the history and elements of graphical user interface. The concept of three dimensional (3D) graphical user interfaces is also introduced. 2.0 OBJECTIVES By the end this unit, you should be able to: Describe a graphical user interface Explain the history behind graphical user interface Highlight the elements of a graphical user interface Describe the three-dimensional user interfaces 3.0 MAIN CONTENT 3.1 INTRODUCTION TO GRAPHICAL USER INTERFACE Graphical user interfaces, also known as GUIs, offer a consistent visual language to represent information stored in computers. This makes it easier for people with little computer skills to work with and use computer software. This article explains the most common elements of the visual language interfaces. 33
Page 1: ] NATIONAL OPEN UNIVERSITY OF NIGER
Page 4 and 5: National Open University of Nigeria
Page 6 and 7: Summary ...........................
Page 8 and 9: UNIT 3 - GRAPHICAL USER INTERFACE (
Page 10 and 11: Assignments File Tutor-Marked Assig
Page 12 and 13: 2 DESIGN and DESIGNING GOOD USER IN
Page 14 and 15: need both the study unit you are wo
Page 16 and 17: CIT 711: USER INTERFACE DESIGN AND
Page 18 and 19: UNIT 1 FUNDAMENTALS OF USER INTERFA
Page 20 and 21: 3.3 TYPES OF USER INTERFACES Curren
Page 22 and 23: 3.5 USER INTERFACE MODALITIES AND M
Page 24 and 25: Table of Contents 1.0 Introduction
Page 26 and 27: 3.1.1 DESIGNING A GOOD USER INTERFA
Page 28 and 29: widgets properly is to read and und
Page 30 and 31: Figure 1:- Showing that alignment o
Page 34 and 35: A graphical user interface is a typ
Page 36 and 37: Operating System. It is easy for a
Page 38 and 39: A list of items from which to selec
Page 40 and 41: collaborative work. For example, sc
Page 42 and 43: MODULE 1 UNIT 4 HUMAN COMPUTER INTE
Page 44 and 45: 3.3 DIFFERNCES WITH RELATED FIELDS
Page 46 and 47: window blinds to automobile braking
Page 48 and 49: Wickens, Christopher D., John D. Le
Page 50 and 51: The International Ergonomics Associ
Page 52 and 53: approach, the Gilbreths reduced the
Page 54 and 55: 3.6 BENEFITS OF ERGONOMICS The thre
Page 56 and 57: Another key to reducing lumbar disc
Page 58 and 59: MODULE 2 - USER INTERFACE DESIGN TE
Page 60 and 61: methods include inspection methods,
Page 62 and 63: Determine time of each operation (b
Page 64 and 65: unable to understand new informatio
Page 66 and 67: M cones, or, misleadingly, green co
Page 68 and 69: Motor skill which is a learned seri
Page 70 and 71: MODULE 2 UNIT 2 UNDERSTANDING USERS
Page 72 and 73: The users of a system must be ident
Page 74 and 75: This example brings up an important
Page 76 and 77: whether you want to have a palette
Page 78 and 79: Task analysis which includes identi
Page 80 and 81: MODULE 2 UNIT 3 USER CENTERED DESIG
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or small body text is also hard to
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Introduction to User-centered desig
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organizations themselves. Interacti
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After thorough analysis using vario
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Interaction design which is the dis
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In human-computer interaction and c
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The preferred method for ensuring u
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3.4 ISO STANDARDS FOR USABILITY ISO
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In this unit, you have been introdu
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affect the way the command is execu
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• Guides the user via the predefi
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The term direct manipulation was in
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There are two important reasons for
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108
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UNIT 1 PROTOTYPING Table of Content
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Figure 12: The iterative steps of p
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select print Figure 13: An interfac
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Ambler, S.W. & Constantine, L.L. (2
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3.2 LOW-FIDELITY PROTOTYPES Low-fid
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Figure 14:- Example of Sketching II
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Much more important for features th
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DENIM, an extension of SILK, is a t
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• Encourage menu & forms style, r
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Another problem is that native widg
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interfaces, so that a realistic sim
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UNIT 3 INPUT AND OUTPUT MODELS Tabl
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Recall that perceptual fusion means
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3.2 OUTPUT MODEL There are basicall
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directly-mapped pixel image will no
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Most stroke models also include som
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UNIT 4 MODEL VIEW-CONTROLLER (MVC)
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3.3.2 AS A DESIGN PATTERN MVC enco
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The Views are XForms controls for s
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UNIT 5 LAYOUTS AND CONSTRAINTS Tabl
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3.5 CONSTRAINTS Constraints are rel
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152
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MODULE 4 UNIT 1 TECHNIQUES FOR EVAL
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a. Card Sorting Card sorting is a w
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Rapid prototyping is a method used
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3.2.1 THE USE OF PROTOTYPES It is o
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Dumas, J.S. and Redish, J.C. (1999)
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the users' respect for you as a pro
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the users will be and what kind of
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speed whenever the average load was
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Table 4:- Table: Average times for
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phases: list the actions, and then
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Nielsen and Molich used their own e
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7.0 REFERENCES AND FURTHER READING
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users. If you do not, you can be ba
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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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