USER MOTIVATION AND EXPECTATION FOR ASKING A QUESTION IN ONLINE Q&A SERVICES

OF THE DISSERTATION ii ACKNOWLEDGEMENTS iv List of Tables vii List of Figures x CHAPTER 1: INTRODUCTION 1 1.1. Background 1 1.2. Problem Statement 4 1.3. Significance of the Research 7 CHAPTER 2: LITERATURE REVIEW 9 2.1. Online Question-Answering (Q&A) Services 9 2.1.1. Community-based Q&A 10 2.1.2. Collaborative Q&A 11 2.1.3. Expert-based Q&A 11 2.1.4. Social Q&A 12 2.2. Questions in online Q&A services 13 2.3. Motivation 15 2.3.1. Definition of Motivation 16 2.3.2. Theoretical Frameworks of Motivation 17 2.3.3. Motivation in the context of LIS 20 2.3.4. Motivation of media use 23 2.4. Expectation 26 2.4.1. Definition of Expectation 26 2.4.2. Expectation to Information 26 2.5. Summary of Literature Review 29 CHAPTER 3: CONCEPTUAL FRAMEWORK 32 3.1. Asking a Question for Seeking Information in Everyday Life Information Seeking 32 3.2. Human-to-human Interactions for Seeking and Sharing Information 35 3.3. Seeking Contextual Information to Address an Asker’s Unique Situation 39 3.4. Summary of Theoretical Frameworks 41 CHAPTER 4: METHODOLOGY 44 4.1. Research Questions 44 4.2. Research Design 45 4.3. Target Population and Sample 49 4.4. Data Collection 51 4.4.1. Phase 1Survey 51 4.4.2. Phase 2 Diary 56 4.4.3. Phase 3 Interview 61

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