Developing A Model to Explore the Information-Seeking Behavi

发布时间：2024-05-30 20:50

　　农业信息在帮助农民做出合理决策方面起着至关重要的作用,信息和通信技术在提高农业信息质量和知识传播方面的潜力也已被人们广泛接受。在过去的几十年间,发达国家已经能够通过引入数字化信息服务来改变农业现状。然而,信息和通信技术在农业方面的成功应用在发展中国家仍然受到经济、社会和文化等诸多因素的阻碍和影响。同时,信息系统开发过程中,更多了解用户特性、信息需求以及他们在获取信息方面的行为方式,比了解设计特征更为重要。因此,对信息寻求行为(Information Seeking Behavior,ISB)进行深入的理解对于改革现有农业信息系统抑或创建新的信息系统都非常重要。在过去几年间的时间里,已经形成了多种ISB模型,但还没有针对农业或农民的ISB模型。同时,在农业信息研究中,所使用的概念和方法是非常多样化的,但大多数研究并没有提出相应的理论框架或模型。因此,这些研究结果是不全面的、不具有结论性和可比性的。基于这样的研究背景,我们可以发现现有研究存在的核心问题就是没有适用的理论框架或模型来研究农业信息寻求行为。为弥补这一知识差距,本文致力于建立一个发展中国家的农民信息寻求行为(ISB)的模型。本文...

【文章页数】：173 页

【学位级别】：博士

【文章目录】：
Abstract
摘要
List of Acronyms and Abbreviations
1 Introduction
    1.1 The Research Background
    1.2 Statement of the Research Problem
    1.3 Significance of the Study
    1.4 Research Objectives and Questions
    1.5 Overview of the Research Design
    1.6 Context of the Study
    1.7 Main Innovations/Contributions
    1.8 Organization of the Thesis
2 Review of Literature
    2.1 Theoretical Literature
        2.1.1 Definitions and Clarifications of Concepts
        2.1.2 Theoretical Constructs and Models in Information Behaviour
        2.1.3 Selected Information Seeking Models
        2.1.4 Agricultural Information Systems
        2.1.5 Gaps in the Theoretical Literature
    2.2 Empirical Literature
        2.2.1 Agricultural Information Needs
        2.2.2 Sources and Channels of Communication in Agriculture
        2.2.3 Information Seeking Behaviour of Farmers
        2.2.4 Gaps in the Empirical Studies
3 Research Design for Model Development
    3.1 Design Phase 1: Source Model Selection and Identifying Dimensions andDeterminants Relating to the Farmers' ISB
    3.2 Design Phase 2: Conducting a Preliminary Study
    3.3 Design Phase 3: Synthesizing a Model of Farmers' ISB
    3.4 Design Phase 4: Evaluating the Proposed Model of Farmes' ISB
4 Research Methods
    4.1 Data Collection
        4.1.1 Operationalizing the Model Constructs for Evaluation
        4.1.2 Data Collection Instruments Selection and Development
        4.1.3 Pilot Testing of the Survey Questionnaire
        4.1.4 Selection of the Study Population
        4.1.5 Sample Design
        4.1.6 Data Collection Survey
    4.2 Data Analysis
        4.2.1 Evaluation of the Proposed Model of Farmes' ISB
        4.2.2 Determining the Information Need Extent of the Vegetable Farmers
        4.2.3 Determining the Extent of ISB of the Vegetable Farmers
        4.2.4 Determining the Information Needs of the Vegetable Farmers
        4.2.5 Exploring the Information Sources of the Vegetable Farmers
        4.2.6 Exploring the Information Channels of the Vegetable Farmers
        4.2.7 Determining Sources/Channels Selection Criteria of the Farmers
        4.2.8 Determining the Factors that Influence the Vegetable Farmers'ISB
        4.2.9 Vegetable Farmer's Opinion on the Current Information Systems
5 Results and Discussion
    5.1 Demographic Profile of the Respondent Farmers
    5.2 Quantitative Evaluation of the Proposed Model
        5.2.1 Data Screening and Reliability Testing
        5.2.2 Relationships between Information Needs and Activating Factors
        5.2.3 Relationships between Information Needs and Intervening Variables
        5.2.4 The Relationship between ISB and Information Needs
        5.2.5 The Relationship between ISB and Channel Characteristics
        5.2.6 Relationships between ISB and Intervening Variables
    5.3 Qualitative Evaluation of the Proposed Model
    5.4 Comments on the Synthesized Model and Guidelines for Use
    5.5 Information Seeking Pattern of the Vegetable Farmers in Sri Lanka
        5.5.1 General Telecommunication Use of the Vegetable Farmers
        5.5.2 The Extent of Informational Need of the Vegetable Farmers
        5.5.3 The Extent of Information Seeking Behaviour of the Vegetable Farmers
        5.5.4 Types of Informational Needs of the Vegetable Farmers
        5.5.5 Information Sources of the Vegetable Farmers
        5.5.6 Information Channels of the Vegetable Farmers
        5.5.7 Sources/Channels Selection Criteria of the Vegetable Farmers
        5.5.8 Factors that Affect on the Vegetable Farmers' ISB
        5.5.9 Farmers' Opinion on Current Information Systems in the Country
6 Conclusions and Implications
    6.1 Research Problem, Objectives and Key Findings
        6.1.1 Developing a Model of Farmers' ISB
        6.1.2 Exploring the ISB of the Vegetable Farmers in Sri Lanka
    6.2 Theoretical Implications
    6.3 Practical Implications
    6.4 Study Limitations and Implications for Future Research
References
Appendix A-Information Need Dimensions of the Vegetable Farmers
Appendix B-Information Sources Used by the Vegetable Farmers
Appendix C-Information Channels Used by the Vegetable Farmers
Appendix D-The Questionnaire Used in the Survey
Appendix E-The Evaluation Form Used in the Expert Evaluation
Academic Publications during the PhD Period
Acknowledgement
About the Author



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