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Information retrieval is a central and essential activity. It is indeed difficult to find a human activity that does not need to retrieve information in an environment which is often increasingly digital: moving and navigating, learning, having fun, communicating, informing, making a decision, etc. Most human activities are intimately linked to our ability to search quickly and effectively for relevant information, the stakes are sometimes extremely important: passing an exam, voting, finding a job, remaining autonomous, being socially connected, developing a critical spirit, or simply surviving.
The author of this book presents a summary of work undertaken over several years relative to the behaviors and cognitive processes involved in information retrieval in digital environments. He presents several examples of theoretical models and studies to better understand the difficulties, behaviors and strategies of individuals searching for information in digital environments.
Jérôme Dinet is a Psychologist and Assistant Professor in cognitive psychology and ergonomics at the University of Lorraine in France.
CHAPTER 1. INFORMATION RETRIEVAL IN DIGITAL ENVIRONMENTS: DEBATE AND SCIENTIFIC DIRECTIONS 1
1.1. Information retrieval, current and future challenges 1
1.2. What are we talking about? 3
1.3. Interaction and navigation at the heart of information retrieval 7
1.4. Why should we be interested in information retrieval? 9
1.4.1. Economy: maximize profitability and minimize risks 10
1.4.2. Information technology: mathematical concepts of the relevance of information 12
1.4.3. Robotics: improving movements and interactions 14
CHAPTER 2. CONCEPTUAL AND METHODOLOGICAL APPROACHES TO INFORMATION RETRIEVAL IN DIGITAL ENVIRONMENTS 19
2.1. The approaches of information sciences: the precursors 19
2.2. The Marchionini sequential iterative model 21
2.3. The holistic model of Kuhlthau 23
2.4. The first studies of psychology and cognitive ergonomics 26
2.5. The cyclic model of David, Song, Hayes and Fredin 31
2.6. The skills-centered model of Brand-Gruwel 33
2.7. Kitajima’s predictive model 36
2.8. The hyper-specialized model of Sharit, Hernandez, Czaja and Pirolli 39
2.9. The Landscape Model “diversion” by Dinet 42
CHAPTER 3. INFORMATION RETRIEVAL: PSYCHOERGONOMIC APPROACH 49
3.1. Introduction 49
3.2. Identifying difficulties in modifying interfaces 51
3.2.1. Hierarchical task analysis 52
3.2.2. Analysis of the end users’ behavior 55
3.2.3. Implications for the (re)design of interfaces 61
3.3. Anticipating the needs of users 63
3.3.1. “If we built it, they will come” 64
3.3.2. The analysis of users’ expectations and behaviors 65
3.3.3. Prospective ergonomics and technological innovation 70
3.3.4. Anticipating and understanding the needs of users: the method of staff made up of community experts 73
3.3.5. An example of application of the method of staff made up of community experts 76
3.4. The motor dimension 79
3.4.1. Motor ability and information retrieval in digital environments 79
3.4.2. Toward a lexicon of intuitive gestures 85
3.5. The social dimension and collaborative 88
3.5.1. From individual research to collaborative information retrieval 89
3.5.2. Benefits and limitations of collaborative information retrieval 90
3.6. Impact of emotional ties between collaborators 92
3.6.1. Ties between collaborators and impact on information retrieval 94
3.6.2. “RCI-Web”: software to assist information retrieval 97
3.7. The cultural dimension 102
3.7.1. About the importance of the home page 102
3.7.2. Culture and design of Websites’ home pages: an ergonomic inspection 105
3.7.3. Information retrieval culture and behavior navigation 107
3.8. The visual exploration strategies109
3.8.1. Impact of the typographical marking (bottom-up approach) 112
3.8.2. Impact of the mental model (top-down approach) 117
CONCLUSION 123
BIBLIOGRAPHY 125
INDEX 165
The New copy of this book will include any supplemental materials advertised. Please check the title of the book to determine if it should include any access cards, study guides, lab manuals, CDs, etc.
The Used, Rental and eBook copies of this book are not guaranteed to include any supplemental materials. Typically, only the book itself is included. This is true even if the title states it includes any access cards, study guides, lab manuals, CDs, etc.
