ContributorsPrefaceAcknowledgmentsPart One The User as a Processor of Information Chapter 1 Visual Perception: an Intelligent System with Limited Bandwidth 1.1 Introduction 1.2 Luminance, Contrast and Brightness 1.3 Color Sensitivity 1.4 The Visual System as a Spatiotemporal Filter 1.5 Perception as an Active Process 1.6 Summary 1.7 Further Reading Chapter 2 Reading: Extracting Information from Printed and Electronically Presented Text 2.1 Introduction 2.2 The Cognitive Psychology of Reading 2.3 Legibility 2.4 Special Problems Associated with Reading from CRT Displays 2.5 Summary 2.6 Further Reading Chapter 3 Human Memory: Different Stores with Different Characteristics 3.1 Introduction 3.2 Short Term Memory Stores 3.3 Long Term Memory 3.4 Summary and Conclusions 3.5 Further Reading Chapter 4 Thinking and Reasoning: Why is Logic so Difficult? 4.1 Introduction 4.2 Deductive Reasoning 4.3 Inductive Reasoning 4.4 Summary 4.5 Further ReadingPart Two The Use of Behavioral Data Chapter 5 How and When to Collect Behavioral Data 5.1 The Value of Behavioral Data 5.2 When to Collect Behavioral Data 5.3 Behavioral Measures 5.4 Selecting Subjects 5.5 Designing Experiments 5.6 Summary 5.7 Further Reading Chapter 6 Statistical Evaluation of Behavioral Data 6.1 Introduction 6.2 Testing for Differences between Means 6.3 Correlation 6.4 Summary 6.5 Further Reading Chapter 7 Example of an Experiment: Evaluating Some Speech Synthesisers for Public Announcements 7.1 Introduction 7.2 Experiment One - Method 7.3 Results 7.4 Conclusions from Experiment One 7.5 Experiment Two 7.6 Summary and General Discussion 7.7 Further ReadingPart Three The User Interface Chapter 8 Work Station Design, Activities and Display Techniques 8.1 Introduction 8.2 Input Devices 8.3 Output Devices 8.4 Facility or Feature Selection Techniques 8.5 Display Techniques 8.6 Summary 8.7 Further Reading 8.8 References Chapter 9 Dialog Design: Characteristics of User Knowledge 9.1 Introduction 9.2 Field Studies of System Use 9.3 Experimental Studies of System Use 9.4 Application of Findings 9.5 Summary 9.6 Further Reading Chapter 10 User Interface Design: Generative User Engineering Principles 10.1 Introduction 10.2 Problems in Interactive System Design: Motivation for a Better Way 10.3 Introducing Generative User-Engineering Principles 10.4 Examples of Gueps 10.5 A Warning against Pseudo-Generative Principles 10.6 Summary 10.7 Further Reading Chapter 11 Future Uses of Future Offices 11.1 Introduction 11.2 Setting the Scene 11.3 Scene One - the First Consultation 11.4 Scene Two - on Location in Camden Town Friday Morning the Next Week 11.5 Summary 11.6 Further Reading Chapter 12 Speech communication: the Problem and Some Solutions 12.1 Speech as a Medium for Communication 12.2 Speech Articulation and Recognition: How Do People Do It? 12.3 Speech Production and Recognition: How Can Machines Do It? 12.4 Summary 12.5 Further Reading Chapter 13 Speech Communication: How to Use It 13.1 Introduction 13.2 Machine-Generated Speech 13.3 Voice Recognition 13.4 Interactive Systems 13.5 Summary 13.6 Further Reading Chapter 14 Human Factors Problems in the Design and Use of Expert Systems 14.