Grounded theory modeling based on multisource evidence fusion

IF 12.9 1区 管理学 Q1 BUSINESS Technological Forecasting and Social Change Pub Date : 2024-10-30 DOI:10.1016/j.techfore.2024.123826
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Abstract

Grounded theory, a mainstream qualitative research method in the social sciences, is challenged by ambiguity in the theory construction phase. Drawing on the Dempster–Shafer theory, this study establishes a new method: grounded theory modeling with multisource evidence fusion (MEF-GT). By incorporating the objectivity and precision of quantitative analysis into the qualitative analysis of grounded theory, MEF-GT enhances the trustworthiness and reliability of the constructed theory. In MEF-GT, after completing the coding phase, relationship functions are constructed between initial concepts based on the evidence extracted from the data. By assigning weights to each piece of evidence and assessing the reliability of their sources, relationships are fused layer by layer following the generalized combination rule until a quantified relationship function between categories is formed. In addition, more intuitive and expressive theoretical frameworks can be constructed based on category portfolios with different relational strengths. Finally, we demonstrate the practicality and effectiveness of the method using a case study of the ecological development practices of marine ranching enterprises.
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基于多源证据融合的基础理论建模
基础理论是社会科学领域的一种主流定性研究方法,但在理论构建阶段却面临着模糊性的挑战。本研究借鉴 Dempster-Shafer 理论,建立了一种新方法:多源证据融合基础理论模型(MEF-GT)。通过将定量分析的客观性和精确性融入到基础理论的定性分析中,MEF-GT 提高了所构建理论的可信度和可靠性。在 MEF-GT 中,完成编码阶段后,根据从数据中提取的证据在初始概念之间构建关系函数。通过为每个证据分配权重并评估其来源的可靠性,按照广义组合规则逐层融合关系,直至形成类别之间的量化关系函数。此外,还可以根据具有不同关系强度的类别组合来构建更直观、更有表现力的理论框架。最后,我们通过对海洋牧场企业生态发展实践的案例研究,证明了该方法的实用性和有效性。
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来源期刊
CiteScore
21.30
自引率
10.80%
发文量
813
期刊介绍: Technological Forecasting and Social Change is a prominent platform for individuals engaged in the methodology and application of technological forecasting and future studies as planning tools, exploring the interconnectedness of social, environmental, and technological factors. In addition to serving as a key forum for these discussions, we offer numerous benefits for authors, including complimentary PDFs, a generous copyright policy, exclusive discounts on Elsevier publications, and more.
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