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

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Interaction design which is the discipline of defining the behavior of products and systems that a user can interact with. User-Centered Interaction Design which attempts to improve the usability and experience of a product, by first researching and understanding certain users' needs and then designing to meet and exceed them by involving the real users. The history, relationship, methodologies and various aspects of Interaction Design which was discussed in greater detail. Interaction design domains which are usually in interdisciplinary teams because most work requires expertise in many different domains. 6.0 TUTOR MARKED ASSIGNMENT a. Explain the User-Centered Interaction Design how it can be used to improve user interface. b. Discuss Interaction design domains. 7.0 FURTHER READING AND OTHER RESOURCES Helen Sharp, Yvonne Rogers, & Jenny Preece, Interaction Design - beyond humancomputer interaction, 2007 (2nd Edition ed., pp. 181-217). John Wiley & Sons. Alan Cooper, Robert M. Reimann & David Cronin: About Face 3: The Essentials of Interaction Design (3rd edition), Wiley, 2007, ISBN 0-4700-8411-1. 90
MODULE 2 UNIT 5 - USABILITY Table of Contents 1.0 Introduction 2.0 Objectives 3.0 Main Content 3.1 Introduction to Usability 3.2 Usability Concepts and Guidelines 3.3 Usability Considerations 3.4 ISO Standard for Usability 3.5 Usability Methodologies 4.0 Conclusion 5.0 Summary 6.0 Tutor Marked Assignment 7.0 Further Reading and Other Resources 1.0 INTRODUCTION Having read through the course guide, you will be introduction to Usability, Usability Concepts and Guidelines, Usability Considerations, ISO Standard for Usability and various Usability Methodologies. 2.0 OBJECTIVES By the end this unit, you should be able to: • Explain usability • Identify the various concepts and guidelines of usability • Have good understanding of the ISO Standard for usability. • Highlight the various usability methodologies. 3.0 MAIN CONTENT 3.1 INTRODUCTION TO USABILITY Usability is a term used to denote the ease with which people can employ a particular tool or other human-made object in order to achieve a particular goal. Usability is a qualitative attribute that assesses how easy user interfaces are to use. The word "usability" also refers to methods for improving ease-of-use during the design process. Usability can also refer to the methods of measuring usability and the study of the principles behind an object's perceived efficiency or elegance. 91
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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
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
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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
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Page 76 and 77: whether you want to have a palette
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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 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
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Page 104 and 105: The term direct manipulation was in
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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 130 and 131: interfaces, so that a realistic sim
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
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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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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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