Modeling Human–System Interaction: Philosophical and Methodological Considerations, with Examples
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About this ebook
This book presents theories and models to examine how humans interact with complex automated systems, including both empirical and theoretical methods.
- Provides examples of models appropriate to the four stages of human-system interaction
- Examines in detail the philosophical underpinnings and assumptions of modeling
- Discusses how a model fits into "doing science" and the considerations in garnering evidence and arriving at beliefs for the modeled phenomena
Modeling Human-System Interaction is a reference for professionals in industry, academia and government who are researching, designing and implementing human-technology systems in transportation, communication, manufacturing, energy, and health care sectors.
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Modeling Human–System Interaction - Thomas B. Sheridan
Table of Contents
COVER
TITLE PAGE
PREFACE
INTRODUCTION
1 KNOWLEDGE
GAINING NEW KNOWLEDGE
SCIENTIFIC METHOD: WHAT IS IT?
FURTHER OBSERVATIONS ON THE SCIENTIFIC METHOD
REASONING LOGICALLY
PUBLIC (OBJECTIVE) AND PRIVATE (SUBJECTIVE) KNOWLEDGE
THE ROLE OF DOUBT IN DOING SCIENCE
EVIDENCE: ITS USE AND AVOIDANCE
METAPHYSICS AND ITS RELATION TO SCIENCE
OBJECTIVITY, ADVOCACY, AND BIAS
ANALOGY AND METAPHOR
2 WHAT IS A MODEL?
DEFINING MODEL
MODEL ATTRIBUTES: A NEW TAXONOMY
EXAMPLES OF MODELS IN TERMS OF THE ATTRIBUTES
WHY MAKE THE EFFORT TO MODEL?
ATTRIBUTE CONSIDERATIONS IN MAKING MODELS USEFUL
SOCIAL CHOICE
WHAT MODELS ARE NOT
3 IMPORTANT DISTINCTIONS IN MODELING
OBJECTIVE AND SUBJECTIVE MODELS
SIMPLE AND COMPLEX MODELS
DESCRIPTIVE AND PRESCRIPTIVE (NORMATIVE) MODELS
STATIC AND DYNAMIC MODELS
DETERMINISTIC AND PROBABILISTIC MODELS
HIERARCHY OF ABSTRACTION
SOME PHILOSOPHICAL PERSPECTIVES
4 FORMS OF REPRESENTATION
VERBAL MODELS
GRAPHS
MAPS
SCHEMATIC DIAGRAMS
LOGIC DIAGRAMS
CRISP VERSUS FUZZY LOGIC (SEE ALSO APPENDIX, SECTION MATHEMATICS OF FUZZY LOGIC
)
SYMBOLIC STATEMENTS AND STATISTICAL INFERENCE (SEE ALSO APPENDIX, SECTION MATHEMATICS OF STATISTICAL INFERENCE FROM EVIDENCE
)
5 ACQUIRING INFORMATION
INFORMATION COMMUNICATION (SEE ALSO APPENDIX, SECTION MATHEMATICS OF INFORMATION COMMUNICATION
)
INFORMATION VALUE (SEE ALSO APPENDIX, SECTION MATHEMATICS OF INFORMATION VALUE
)
LOGARITHMIC‐LIKE PSYCHOPHYSICAL SCALES
PERCEPTION PROCESS (SEE ALSO APPENDIX, SECTION MATHEMATICS OF THE BRUNSWIK/KIRLIK PERCEPTION MODEL
)
ATTENTION
VISUAL SAMPLING (SEE ALSO APPENDIX, SECTION MATHEMATICS OF HOW OFTEN TO SAMPLE
)
SIGNAL DETECTION (SEE ALSO APPENDIX, SECTION MATHEMATICS OF SIGNAL DETECTION
)
SITUATION AWARENESS
MENTAL WORKLOAD (SEE ALSO APPENDIX, SECTION RESEARCH QUESTIONS CONCERNING MENTAL WORKLOAD
)
EXPERIENCING WHAT IS VIRTUAL: NEW DEMANDS FOR HUMAN–SYSTEM MODELING (SEE ALSO APPENDIX, SECTION BEHAVIOR RESEARCH ISSUES IN VIRTUAL REALITY
)
6 ANALYZING THE INFORMATION
TASK ANALYSIS
JUDGMENT CALIBRATION
VALUATION/UTILITY (SEE ALSO APPENDIX, SECTION MATHEMATICS OF HUMAN JUDGMENT OF UTILITY
)
RISK AND RESILIENCE
TRUST
7 DECIDING ON ACTION
WHAT IS ACHIEVABLE
DECISION UNDER CONDITION OF CERTAINTY (SEE ALSO APPENDIX, SECTION MATHEMATICS OF DECISIONS UNDER CERTAINTY
)
DECISION UNDER CONDITION OF UNCERTAINTY (SEE ALSO APPENDIX, SECTION MATHEMATICS OF DECISIONS UNDER UNCERTAINTY
)
COMPETITIVE DECISIONS: GAME MODELS (SEE ALSO APPENDIX MATHEMATICS OF GAME MODELS
)
ORDER OF SUBTASK EXECUTION
8 IMPLEMENTING AND EVALUATING THE ACTION
TIME TO MAKE A SELECTION
TIME TO MAKE AN ACCURATE MOVEMENT
CONTINUOUS FEEDBACK CONTROL (SEE ALSO APPENDIX, SECTION MATHEMATICS OF CONTINUOUS FEEDBACK CONTROL
)
LOOKING AHEAD (PREVIEW CONTROL) (SEE ALSO APPENDIX, SECTION MATHEMATICS OF PREVIEW CONTROL
)
DELAYED FEEDBACK
CONTROL BY CONTINUOUSLY UPDATING AN INTERNAL MODEL (SEE ALSO APPENDIX, SECTION STEPPING THROUGH THE KALMAN FILTER SYSTEM
)
EXPECTATION OF TEAM RESPONSE TIME
HUMAN ERROR
9 HUMAN–AUTOMATION INTERACTION
HUMAN–AUTOMATION ALLOCATION
SUPERVISORY CONTROL
TRADING AND SHARING
ADAPTIVE/ADAPTABLE CONTROL
MODEL‐BASED FAILURE DETECTION
10 MENTAL MODELS
WHAT IS A MENTAL MODEL?
BACKGROUND OF RESEARCH ON MENTAL MODELS
ACT‐R
LATTICE CHARACTERIZATION OF A MENTAL MODEL
NEURONAL PACKET NETWORK AS A MODEL OF UNDERSTANDING
MODELING OF AIRCRAFT PILOT DECISION‐MAKING UNDER TIME STRESS
MUTUAL COMPATIBILITY OF MENTAL, DISPLAY, CONTROL, AND COMPUTER MODELS
11 CAN COGNITIVE ENGINEERING MODELING CONTRIBUTE TO MODELING LARGE‐SCALE SOCIO‐TECHNICAL SYSTEMS?
BASIC QUESTIONS
WHAT LARGE‐SCALE SOCIAL SYSTEMS ARE WE TALKING ABOUT?
WHAT MODELS?
POTENTIAL OF FEEDBACK CONTROL MODELING OF LARGE‐SCALE SOCIETAL SYSTEMS
THE STAMP MODEL FOR ASSESSING ERRORS IN LARGE‐SCALE SYSTEMS
PAST WORLD MODELING EFFORTS
TOWARD BROADER PARTICIPATION
APPENDIX
MATHEMATICS OF FUZZY LOGIC (CHAPTER 4, SECTION CRISP VERSUS FUZZY LOGIC
)
MATHEMATICS OF STATISTICAL INFERENCE FROM EVIDENCE (CHAPTER 4, SECTION SYMBOLIC STATEMENTS AND STATISTICAL INFERENCE
)
MATHEMATICS OF INFORMATION COMMUNICATION (CHAPTER 5, SECTION INFORMATION COMMUNICATION
)
MATHEMATICS OF INFORMATION VALUE (CHAPTER 5, SECTION INFORMATION VALUE
)
MATHEMATICS OF THE BRUNSWIK/KIRLIK PERCEPTION MODEL (CHAPTER 5, SECTION PERCEPTION PROCESS
)
MATHEMATICS OF HOW OFTEN TO SAMPLE (CHAPTER 5, SECTION VISUAL SAMPLING
)
MATHEMATICS OF SIGNAL DETECTION (CHAPTER 5, SECTION SIGNAL DETECTION
)
RESEARCH QUESTIONS CONCERNING MENTAL WORKLOAD (CHAPTER 5, SECTION MENTAL WORKLOAD
)
BEHAVIOR RESEARCH ISSUES IN VIRTUAL REALITY (CHAPTER 5, SECTION EXPERIENCING WHAT IS VIRTUAL; NEW DEMANDS FOR MODELING
)
MATHEMATICS OF HUMAN JUDGMENT OF UTILITY (CHAPTER 6, SECTION VALUATION/UTILITY
)
MATHEMATICS OF DECISIONS UNDER CERTAINTY (CHAPTER 7, SECTION DECISION UNDER CONDITION OF CERTAINTY
)
MATHEMATICS OF DECISIONS UNDER UNCERTAINTY (CHAPTER 7, SECTION DECISION UNDER CONDITION OF UNCERTAINTY
)
MATHEMATICS OF GAME MODELS (CHAPTER 7, SECTION COMPETITIVE DECISIONS: GAME MODELS
)
MATHEMATICS OF CONTINUOUS FEEDBACK CONTROL (CHAPTER 8, SECTION CONTINUOUS FEEDBACK CONTROL
)
MATHEMATICS OF PREVIEW CONTROL (CHAPTER 8, SECTION LOOKING AHEAD (PREVIEW CONTROL)
)
STEPPING THROUGH THE KALMAN FILTER SYSTEM (CHAPTER 8, SECTION CONTROL BY CONTINUOUSLY UPDATING AN INTERNAL MODEL
)
REFERENCES
INDEX
END USER LICENSE AGREEMENT
List of Tables
Chapter 02
TABLE 2.1 A taxonomy of model attributes
Chapter 09
TABLE 9.1 Fitts’ list
TABLE 9.2 The original levels of automation scale
List of Illustrations
Chapter 04
FIGURE 4.1 Trends in telephone company data (hypothetical).
FIGURE 4.2 Gaussian probability density function. .
FIGURE 4.3 Hypothetical supply–demand curves.
FIGURE 4.4 Map of the United States. .
FIGURE 4.5 Rasmussen’s schematic diagram depicting levels of behavior.
FIGURE 4.6 Wickens’ (1984) model of human multiple resources (modified by author).
FIGURE 4.7 Forward chaining tree.
FIGURE 4.8 Backward chaining tree, where AND indicates necessity and OR indicates sufficiency.
FIGURE 4.9 Kanizsa square illusion.
Chapter 05
FIGURE 5.1 The complexity of communication with a person or a machine.
FIGURE 5.2 Interpretation of Brunswik lens model (after a diagram by Kirlik, 2006).
FIGURE 5.3 Wickens’ SEEV model of attention. .
FIGURE 5.4 Senders’ model: sampling matches the Nyquist criterion.
FIGURE 5.5 Properties of mental workload (effects of very low workload not shown).
FIGURE 5.6 Regions of workload accommodation. .
FIGURE 5.7 Two images of a video showing superposition of computerized truck images on actual driver view in a test drive on a country road. White objects on trees along the roadway are fiduciary markers to enable continuous geometric correspondence of the AR image to the real world.
FIGURE 5.8 Variables contributing to presence
in VR.
FIGURE 5.9 Relationship of VR created by computer and telepresence resulting from high‐quality sensing and display of events at an actual remote location. The dashed line around the remote manipulator arm suggests that the remote arm can be either real or virtual, and that if the visual and/or tactile feedback are good enough, there will be no difference in the human operator’s perception (mental model, shown in the cloud) of the (real or virtual) reality.
Chapter 06
FIGURE 6.1 A hypothetical form for performing a task analysis.
FIGURE 6.2 An example of calibration for a three‐dimensional problem space.
FIGURE 6.3 Stress–strain analogy to resilience.
FIGURE 6.4 Variables affecting trust (after Lee and See, 2004).
Chapter 07
FIGURE 7.1 Example of determining the space of what is achievable within the space defined by what is aspired to and what is acceptable (in a simple two‐dimensional problem space).
FIGURE 7.2 Tulga’s task for deciding where to attend and act.
Chapter 08
FIGURE 8.1 Fitts’ index of difficulty test.
FIGURE 8.2 Classical feedback control system.
FIGURE 8.3 Ferrell (1965) results for time to make accurate positioning movements with delayed feedback.
FIGURE 8.4 Response times of nuclear plant operator teams to properly respond to a major accident alarm. For the particular mathematical function used (log normal), using specialized graph paper (logarithm of response time on y‐axis, Gaussian percentiles on x‐axis) reduces that function to a straight line. The 95th percentile mark is seen to be roughly 100 s. .
FIGURE 8.5 Reason’s taxonomy of human error.
FIGURE 8.6 Capture error.
FIGURE 8.7 The Swiss Cheese model of accident occurrence as a result of penetrating multiple barriers. After Reason (1991).
Chapter 09
FIGURE 9.1 Four stages of human operator activity.
FIGURE 9.2 Supervisory control, as originally proposed for lunar rover operations (Ferrell and Sheridan, 1967).
FIGURE 9.3 Functions of the supervisor in relation to elements of the local human‐interactive computer (Figure 9.2) and multiple remote task‐interactive computers.
FIGURE 9.4 Supervisory control in relation to degree of automation and task entropy.
FIGURE 9.5 Distinctions with and between trading and sharing control. .
FIGURE 9.6 Adaptable control (from Sheridan, 2011).
FIGURE 9.7 Model‐based failure detection.
Chapter 10
FIGURE 10.1 The ACT‐R cognitive architecture (after Byrne et al., 2008).
FIGURE 10.2 An example of Moray’s 1990 lattice model of the operation of a pump: (a) causality relations and (b) purpose relations.
FIGURE 10.3 Formation of neuronal packets in Yufik’s model of understanding.
FIGURE 10.4 Multiple model representations in teleoperation. .
Chapter 11
FIGURE 11.1 The Leveson STAMP model. .
FIGURE 11.2 An example of system dynamics. .
FIGURE 11.3 Relationships in a policy flight simulator. .
bapp
FIGURE A.1 Hypothetical fuzzy membership functions for basketball players.
FIGURE A.2 Information relationships.
FIGURE A.3 How often to sample.
FIGURE A.4 Payoff matrix for signal detection.
FIGURE A.5 Probability densities for evidence in signal detection.
FIGURE A.6 Receiver operating characteristic (ROC).
FIGURE A.7 The definition and experimental elicitation of a person’s utility function.
FIGURE A.8 Pareto frontier and utility curve intersection determine optimal choice.
FIGURE A.9 Sample payoff matrix for decisions under probabilistic contingencies.
FIGURE A.10 Dominating and nondominating strategies (at left) and prisoner’s dilemma (right).
FIGURE A.11 Dynamic programming model of preview control.
FIGURE A.12 Kalman model of control.
STEVENS INSTITUTE SERIES ON COMPLEX SYSTEMS AND ENTERPRISES
William B. Rouse, Series Editor
WILLIAM B. ROUSE
Modeling and Visualization of Complex Systems and Enterprises
ELISABETH PATE‐CORNELL, WILLIAM B. ROUSE, AND CHARLES M. VEST
Perspectives on Complex Global Challenges: Education, Energy, Healthcare, Security, and Resilience
WILLIAM B. ROUSE
Universities as Complex Enterprises: How Academia Works, Why It Works These Ways, and Where the University Enterprise Is Headed
THOMAS B. SHERIDAN
Modeling Human–System Interaction: Philosophical and Methodological Considerations, with Examples
MODELING HUMAN–SYSTEM INTERACTION
Philosophical and Methodological Considerations, with Examples
THOMAS B. SHERIDAN
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Published by John Wiley & Sons, Inc., Hoboken, New Jersey
Published simultaneously in Canada
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Library of Congress Cataloging‐in‐Publication Data:
Names: Sheridan, Thomas B., author.
Title: Modeling human‐system interaction : philosophical and methodological considerations, with examples / Thomas B. Sheridan.
Description: Hoboken, New Jersey : John Wiley & Sons, [2017] | Series: Stevens Iinstitute series on complex systems and enterprises | Includes bibliographical references and index.
Identifiers: LCCN 2016038455 (print) | LCCN 2016051718 (ebook) | ISBN 9781119275268 (cloth) | ISBN 9781119275299 (pdf) | ISBN 9781119275282 (epub)
Subjects: LCSH: Human‐computer interaction. | User‐centered system design.
Classification: LCC QA76.9.H85 S515 2017 (print) | LCC QA76.9.H85 (ebook) | DDC 004.01/9–dc23
LC record available at https://lccn.loc.gov/2016038455
Cover Image: Andrey Prokhorov/Gettyimages
PREFACE
This book has evolved from a professional lifetime of thinking about models and, more generally, thinking about thinking. I have previously written seven books over a span of 42 years, and they all have all talked about models, except for one privately published as a memoir for my family. One even dealt with the concept of God and whether God is amenable to modeling (mostly no). So what is new or different in the present book?
The book includes quite a bit of the philosophy of science and the scientific method as a precursor to discussing human–system models. Many aspects of modeling are discussed: the purpose and uses of models for doing science and thinking about the world and examples of different kinds of models in what has come to be called human–system interaction or cognitive engineering. Along with new material, the book also includes many modeling ideas previously discussed by the author. When not otherwise cited, illustrations were drawn by the author for the book or were original works under the author’s copyright or previously declared by the author to be in public domain prior to publication.
I gratefully acknowledge contributions to these ideas from many colleagues I have worked with, especially Neville Moray, who has been my friend and invaluable critic over the years, and Bill Rouse, who shepherded the book as Wiley series editor. Modeling contributions of past coauthors Russ Ferrell, Bill Verplank, Gunnar Johannsen, Toshi Inagaki, Raja Parasuraman, Chris Wickens, Peter Hancock, Joachim Meyer, and many other colleagues and former graduate students are gratefully acknowledged.
Finally, I dedicate this effort to Rachel Sheridan, my inspiration and life partner for 63 years.
INTRODUCTION
This is a book about models, scientific models, of the interaction of individual people with technical environments, which has come to be called human–system interaction or cognitive engineering. The latter term emphasizes the role of the human intelligence in perceiving, analyzing, deciding, and acting rather than the biomechanical or energetic interactions with the physical environment.
Alphonse Chapanis (1917–2002) is widely considered to be one of the founders of the field of human factors, cognitive engineering, or whatever term one wishes to use. He coauthored one of the (if not THE) first textbooks in the field (Chapanis et al., 1949). I had the pleasure of working with him on the original National Research Council Committee in our field (nowadays called Board on Human Systems Integration, originally chaired by Richard Pew). I recall that Chapanis, while a psychologist by training, repeatedly emphasized the point that our field is ultimately applied to designing technology to serve human needs; in other words it is about engineering. Models are inherent to doing engineering.
More generally, models are the summaries of ideas we hang on to in order to think, communicate to others, and refine in order to make progress in the world. They are cognitive handles. Models come in two varieties: (1) those couched in language we call connotative (metaphor, myth other linguistic forms intended to motivate a person to make his or her own interpretation of meaning based on life experience) and (2) language we call denotative (where forms of language are explicitly selected to minimize the variability of meaning across peoples and cultures). Concise and explicit verbal statements, graphs, and mathematics are examples of denotative language. There is no doubt that connotative language plays a huge role in life, but science depends on denotative expression and models couched in denotative language, so that we can agree on what we’re talking about.
The book focuses on the interaction between humans and systems in the human environment of physical things and other people. The models that are discussed are representations of events that are observable and measurable. In experiments, these necessarily include the causative factors (inputs, independent variables), the properties of the human operator (experimental subject), the assigned task, and the task environment. They also include the effects (outputs, dependent variables), the measures of human response correlated to the inputs.
Chapters 1–3 of the book are philosophical, and apply to science and scientific models quite generally, models in human–system interaction being no exception. Chapter 1 begins with a discussion of what knowledge is and what the scientific method is including the philosophical distinction between private (subjective) knowledge and public (objective) knowledge, the importance of doubt, using and avoiding evidence, objectivity and advocacy, bias, analogy, and metaphor.
Chapter 2 defines the meaning of model
and offers a six‐factor taxonomy of model attributes. It poses the question of what is to be gained by modeling and the issue of social