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

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In this unit, you have been introduced to Usability, Usability Concepts and Guidelines, Usability Considerations, ISO Standard for Usability and various Usability Methodologies. 5.0 SUMMARY You should have understood the following in this unit:- Introduction to Usability which 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 Concepts and Guidelines which includes efficiency, learnability, Memorability e.t.c. Usability Considerations like who the users are, what the user needs, e.t.c Usability Methodologies like early focus on Users and Tasks, Iterative Design and testing. 6.0 TUTOR MARKED ASSIGNMENT a. Explain Usability. b. Discuss any two usability methodologies. 7.0 FURTHER READING AND OTHER RESOURCES Wickens, C.D et al. (2004). An Introduction to Human Factors Engineering (2nd Ed), Pearson Education, Inc., Upper Saddle River, NJ : Prentice Hall. Kuniavsky, M. (2003). Observing the User Experience: A Practitioner’s Guide to User Research, San Francisco, CA: Morgan Kaufmann. McKeown, Celine (2008). Office ergonomics: practical applications. Boca Raton, FL, Taylor & Francis Group, LLC. Wright, R.D. & Ward, L.M. (2008). Orienting of Attention. Oxford University Press Pinel, J. P. (2008). Biopsychology (7th ed.). Boston: Pearson. (p. 357) Knudsen, Eric I (2007). "Fundamental Components of Attention". Annual Review of Neuroscience 30 (1): 57–78. doi:10.1146/annurev.neuro.30.051606.094256. PMID 17417935. Pattyn, N., Neyt, X., Henderickx, D., & Soetens, E. (2008). Psychophysiological Investigation of Vigilance Decrement: Boredom or Cognitive Fatigue? Physiology & Behavior, 93, 369-378. 98
MODULE 2 UNIT 6 - INTERACTION STYLES AND GRAPHIC DESIGN PRINCIPLES Table of Contents 1.0 Introduction 2.0 Objectives 3.0 Main Content 3.1 Interaction Styles 3.2 Graphic Design Principles 4.0 Conclusion 5.0 Summary 6.0 Tutor Marked Assignment 7.0 Further Reading and Other Resources 1.0 INTRODUCTION This unit will introduce you to Interaction Styles and Graphic Design Principles. 2.0 OBJECTIVES By the end this unit, you should be able to: • Explain different Interaction Styles • Identify their advantages and disadvantages of different interaction styles. • Explain Graphic Design Principles 3.0 MAIN CONTENT 3.1 INTERACTION STYLES The concept of Interaction Styles refers to all the ways the user can communicate or otherwise interact with the computer system. The concept is known in HCI and User Interface Design and generally has its roots in the computer syatems. These concepts do however retain some of their descriptive powers outside the computer medium. For example, you can talk about menu selection (defined below) in mobile phones. The most common types of interaction styles mentioned are command language, form filling, menu selection, and direct manipulation. a. Command language (or command entry) Command language is the earliest form of interaction style and is still being used, though mainly on Linux/Unix operating systems. These "Command prompts" are used by (usually) expert users who type in commands and possibly some parameters that will 99
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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
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
Page 74 and 75: This example brings up an important
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 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 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
Page 138 and 139: directly-mapped pixel image will no
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Page 142 and 143: UNIT 4 MODEL VIEW-CONTROLLER (MVC)
Page 144 and 145: 3.3.2 AS A DESIGN PATTERN MVC enco
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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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