PREFACE
ACKNOWLEDGMEWTS
INTRODUCTION: The Importance of Fundamentals
ONE Background
1--1 Interface Definition
1--2 Keep the Simple Simple
1--3 Human--Centered Design and User--Centered Design
1--4 Tools That Do Not Facilitate Design Innovation
1--5 Interface Design in the Design Cycle
1--6 Definition of a Humane Interface
TWO Cognetics and the Locus of Attention
2--1 Ergonomics and Cognetics: What We Can and Cannot Do
2--2 Cognitive Conscious and Cognitive Unconscious
2--3 Locus of Attention
2--3--1 Formation of Habits
2--3--2 Execution of Simultaneous Tasks
2--3--3 Singularity of the Locus of Attention
2--3--4 Origins of the Locus of Attention
2--3--5 Exploitation of the Single Locus of Attention
2--3--6 Resumption of Interrupted Work
THREE Meanings Modes Monotony and Myths
3--1 Nomenclature and Notations
3--2 Modes
3--2--1 Definition of Modes
3--2--2 Modes, User--Preference Settings,and Temporary Modes
3--2--3 Modes and Quasimodes
3--3 Noun--Verb versus Verb--Noun Constructions
3--4 Visibility and Affordances
3--5 Monotony
3-6 Myth of the Beginner-Expert Dichotomy
Four Quantification
4--1 Quantitative Analyses of Interfaces
4--2 GOMS Keystroke-Level Model
4--2--1 Interface Timings
4--2--2 GOMS Calculations
4--2--3 GOMS Calculation Examples
4--2--3--1 Hal's Interface: Solution 1, Dialog Box
4--2--3--2 Hal's Interface: Solution 2, GUI
4--3 Measurement of Interface Efficiency
4--3--1 Efficiency of Hal's Interfaces
4--3--2 Other Solutions for Hal's Interface
4--4 Fitts' Law and Hick's Law
4--4--1 Fitts' Law
4--4--2 Hick's Law
FIVE Unification
5--1 Uniformity and Elementary Actions
5--2 Elementary Actions Cataloged
5--2--1 Highlighting, Indication, and Selection
5--2--2 Commands
5--2--3 Display States of Objects
5--3 File Names and Structures
5--4 String Searches and Find Mechanisms
5--4--1 Search--Pattern Delimiters
5--4--2 Units of Interaction
5--5 Cursor Design and a Strategy for Making Selections
5--6 Cursor Position and LEAP
5--7 Applications Abolished
5--8 Commands and Transformers
SIX Navigation and Other Aspects of Humane Interfaces
6--1 Intuitive and Natural Interfaces
6--2 Better Navigation: Zoom World
6--3 Icons
6--4 Techniques and Help Facilities in Humane Interfaces
6--4--1 Cut and Paste
6--4--2 Messages to the User
6--4--3 Simplified Sign--Ons
6--4--4 Time Delays and Keyboard Tricks
6--5 Letter from a User
SEVEN Interface Issues Outside the User Interface
7--1 More Humane Programming Language Environments
7--1--1 System and Development Environment
7--1--2 Importance of Documentation in
Program Creation
7--2 Modes and Cables
7--3 Ethics and Management of Interface Design
EIGHT Conclusion
APPENDlX A: The One-Button Mouse History
APPENDlX B: SwyftCard Interfece Theory of Operation
REFERENCES
INDEX
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