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Tables of Contents for Cost-Justifying Usability
Chapter/Section Title
Page #
Page Count
Preface
xiii
Contributors
xvii
PART I A Framework
1
70
Wherefore Cost Justification of Usability: Pay Me Now or Pay Me Later-But How Much?
3
6
Randolph G. Bias
A Few Definitions
5
1
Objectives
5
1
Audience
6
1
Overview
6
3
A Basic Framework for Cost-Justifying Usability Engineering
9
36
Deborah J. Mayhew
Marilyn Mantei
Introduction
9
1
The Usability Engineering Program
10
5
Estimating Costs
15
5
Estimating Benefits
20
8
Justifying the Assumptions Made for Benefits
28
8
Using Cost-Benefit Analysis to Plan a Usability Engineering Program
36
5
Where Do We Go from Here?
41
1
References
42
3
A Business Case Approach to Usability Cost Justification
45
26
Clare-Marie Karat
Introduction
45
1
Why Measure the Cost-Benefit of Human Factors?
46
1
Usability Engineering in the Software Life Cycle
47
1
What Contributions Can Usability Engineering Demonstrate?
48
4
What Is Cost-Benefit Analysis?
52
1
How Do Cost-Benefit Analyses Relate to Business Cases?
52
1
Assessing Costs and Benefits of Usability Engineering
53
5
Simple Cost-Benefit Analysis Techniques
58
2
Sophisticated Selection Techniques
60
4
Analysis of Changing Project Circumstances
64
4
Summary and Recommendations
68
1
References
69
2
Part II Approaches to Cost-Justifying Usability
71
72
Cost Justification of Usability Engineering: A Vendor's Perspective
73
38
Kate Ehrlich
Janice Anne Rohn
Introduction
73
2
The Increasing Need for Usability Engineering
75
1
Stages of Acceptance of User-Centered Design
76
2
Levels within the Organization
78
1
Usability Engineering Methods
79
2
The Evolution of Usability Engineering in Vendor Companies
81
2
Some Usability Methods
83
4
Costs
87
6
Benefits
93
8
Tips on Maximizing Effectiveness
101
7
Summary
108
1
References
108
3
Human Factors Cost Justification of an Internal Development Project
111
12
Susan M. Dray
Clare-Marie Karat
Introduction
111
1
The Help Desk Background
112
3
The Help Desk Workstation
115
2
Cost Justification
117
3
Summary
120
2
References
122
1
Cost-Justifying Usability in a Contractor Company
123
20
Charles L. Mauro
Introduction
123
1
Defining the Usability Problem
124
1
Case Studies from Twenty Years' Experience
125
13
Marketing Usability: Determining What the Client Needs
138
3
Summary
141
2
Part III Case Studies
143
100
UPAR Analysis: Dollar Measurement of a Usability Indicator for Software Products
145
14
Mary E. Cox
Paige O'Neal
Wayne L. Pendley
Introduction
145
1
Why Measure?
146
3
UPAR Process
149
1
The Product Level: The UPAR Ratio
150
1
The Task Level: Guiding Usability Improvements
151
3
UPAR Pilot Project
154
2
Benefits of a UPAR Project
156
2
Summary and Conclusion
158
1
Cost-Benefit Analysis of Upgrading Computer Hardware
159
18
Deborah J. Mayhew
Introduction
159
1
A Case Study
160
17
Reuse: A Case Study on Cost-Benefit of Adopting a Common Software Development Tool
177
26
Nuray Aykin
Introduction
177
3
Benefits of Software Reuse
180
1
Issues with Reusability
181
2
COCOMO Cost-Estimation Model
183
6
Cost-Benefit Analysis of Adopting a Common Software Development Tool: A Case Study
189
8
Summary
197
1
Discussion
198
2
References
200
3
Design of a Human Factors Cost-Justification Tool
203
40
Mary C. Harrison
Richard L. Henneman
Louis A. Blatt
Introduction
203
3
Issues in Building Models for Cost Justification
206
18
Issues in Cost-Justification Tool Development
224
5
Tool Requirements
229
5
Future Directions
234
2
Appendix: Detailed Project Data
236
3
References
239
4
Part IV Special Issues
243
84
Guerrilla HCI: Using Discount Usability Engineering to Penetrate the Intimidation Barrier
245
28
Jakob Nielsen
The Intimidation Barrier
245
4
The Discount Usability Engineering Approach
249
5
Validating Discount Usability Engineering
254
3
Cost-Benefit Analysis of Heuristic Evaluation: A Case Study
257
1
Time Expenditure
258
9
The Evolution of Usability Engineering in Organizations
267
3
References
270
3
Justifying Prepaid Human Factors for User Interfaces
273
14
Ruven Brooks
Introduction
273
2
Schlumberger Experience
275
9
Conclusion
284
1
References
285
2
Organizational Inhibitors and Facilitators
287
32
Deborah J. Mayhew
Randolph G. Bias
Inhibitors to Change
288
14
Motivations for Change
302
5
Sucess Factors
307
10
References
317
2
Summary: A Place at the Table
319
8
Randolph G. Bias
Deborah J. Mayhew
Some Historical Context
320
1
Justifying ``Any'' vs. ``Which''
321
1
Interdependent Investments
322
2
Why Wasn't This Book Written 15 Years Ago?
324
1
Follow-Up: Marketing Usability
325
1
References
325
2
Index
327