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1.
This article describes multi-method triangulation as a means to enhance the internal validity in a qualitative study on language teachers' practical knowledge. Teachers' practical knowledge is viewed as a multi-dimensional concept, requiring multiple instruments for its exploration. In the triangulation procedure, data collected with three instruments were analysed and related to each other. Three steps of analysis, preceded by a pre-analysis step, were used to combine these data. The triangulation procedure culminated in a fairly comprehensive understanding of teachers' practical knowledge with respect to the teaching of reading comprehension to 16- to 18-year-old students. It was concluded that multi-method triangulation is a worthwhile procedure to enhance the internal validity in qualitative studies on a complex topic such as teachers' practical knowledge.  相似文献   

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The constant comparative method (CCM) together with theoretical sampling constitutethe core of qualitative analysis in the grounded theory approach and in other types ofqualitative research. Since the application of the method remains rather unclear, researchers do not know how to `go about' the CCM in their research practice. This study contributes to a purposeful approach of the CCM in order to systematize the analysis process and to increase the traceability and verification of the analyses. The step by step approach is derived from and illustrated with an empirical study into the experience of multiple sclerosis (MS) by patients and their spousal care providers. In this study five different steps were distinguished on the basis of four criteria: (1) the data involved and the overall analysis activities, (2) the aim, (3) the results and (4) the questions asked. It is concluded that systematization of qualitative analysis results from the researcher using a sound plan for conducting CCM regarding these four aspects.  相似文献   

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环境是影响企业经济活动的重要因素,应将其纳入到战略管理和经营决策中去,钢铁企业作为高碳排放、高能耗、高污染的代表尤应如此。借鉴国内外环境绩效评价标准,结合国内钢铁企业生产实践,从源头投入、末端排放、综合利用、关联管理四个方面构建了钢铁企业的环境绩效评价指标体系,并运用突变级数对指标进行耦合,建立了环境绩效评价突变模型,减少了人为对指标赋予权重的主观性,提高了评价模型的科学性。  相似文献   

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通过讨论随机条件下仓库布局问题.建立了随机仓库布局问题机会约束规划模型,并设计出基于随机模拟的禁忌搜索算法求解模型,最后利用算例来验证算法的有效性。  相似文献   

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The present study extends knowledge of the performance consequences of workgroup diversity climate. Building upon Kopelman, Brief, and Guzzo's ( 1990 ) climate model of productivity, we introduce workgroup discrimination as a behavioral mediator that explains the positive effects of diversity climate on workgroup performance. In addition, we investigate group size as a moderator upon which this mediated relationship depends. We test these moderated‐mediated propositions using a split‐sample design and data from 248 military workgroups comprising 8,707 respondents. Findings from structural equation modeling reveal that diversity climate is consistently positively related to workgroup performance and that this relationship is mediated by discrimination. Results yield a pattern of moderated mediation, in that the indirect relationship between workgroup diversity climate (through perceptions of workgroup discrimination) and group performance was more pronounced in larger than in smaller workgroups. These results illustrate that discrimination and group size represent key factors in determining how a diversity climate is associated with group performance and, thus, have significant implications for research and practice. © 2014 Wiley Periodicals, Inc.  相似文献   

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This paper is an outcome of the empirical research, funded by UNDP Philippines and National Economic Development Authority (NEDA), done to establish and implement a metric of corporate environmental indicators for SMEs in the Philippines. SMEs have always played a vital role in the creation of goods and services in the country. It is therefore imperative that SMEs adhere to safe environment practices so that the greening of industries in this region is consummate. In this research we have considered SMEs operating in the food and beverage, furniture, fashion accessories, hotel and restaurant, automotive parts and electroplating sectors. The metric adopted in this research follows the framework given by the Federal Environmental Ministry in Bonn and the Federal Environmental Agency in Berlin. The empirical approach develops an exploratory analysis and a structural equation model to bring out statistically significant linkages between five latent constructs: environment management indicators, environment performance indicators, environmental performance, business performance and competitiveness. The research hopes to urge SMEs to implement this metric with confidence given that this would not only enhance their environmental performance but also lead to superior business performance and enhanced competitiveness. Copyright © 2006 John Wiley & Sons, Ltd and ERP Environment.  相似文献   

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本文在理论分析和对特定游客群体(上海市大学生旅游者)进行深度访谈的基础上,构建了移动设备用户接受行为模型,通过实证调研的方法对所提出的结构方程模型进行了验证,并剖析了影响特定游客使用移动设备用于旅行的因素。结果表明,感知有用性、感知易用性、先前的旅游体验与游客满意度之间存在显著的正向影响,它们和使用意愿、使用行为等变量共同影响着游客忠诚度。最后,基于实证结果,对未来移动设备在旅游移动信息服务中的应用以及如何提升游客满意度与忠诚度提出了相关的建议。  相似文献   

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Amid rising environmental concerns, Industry 4.0 and blockchain technology (BCT) are transforming circular economy (CE) practices and prevailing business models. Recognize the same; this study examines the role of blockchain technology in circular CE practices and their impact on eco-environmental performance, which influences organizational performance. The study collects data from 404 enterprises located in Chinese and Pakistani territories, involved in cross-border supply chain operations. Both countries' sample has great relevance due to the China Pakistan Economic Corridor (CPEC), which possesses several positive fallouts in terms of technology spillovers across firms. Using the partial least squares structural equation modeling (PLS-SEM) modeling framework, this study provides three key findings. First, BCT significantly improves the circular economy practices (circular procurement, circular design, recycling, and remanufacturing). Second, CE practices help improve firms' environmental performance and stimulate their financial performance. Third, higher eco-environmental performance significantly boosts organizational performance. This study sets out the foundations for participating countries/firms that simultaneously achieve financial and sustainable goals by integrating blockchain technology in circular economy practices.  相似文献   

12.
This paper analyses the factors impacting consumer environmental responsibility using a structural equation modeling approach. Consumer environmental responsibility is the intention of a person to act towards remediation of environmental problems not as an individual user with economic interests but as a responsible citizen having concerns about the social and environmental wellbeing of society. Therefore, awareness of environmental problems and knowledge of remedial alternatives will help individuals to pursue their chosen action and bolster a genuine desire to act and determine the measures for alleviation of environmental challenges. The four dimensions of an environmentally responsible consumer – opinion and beliefs, willingness, awareness, and an ability to act – are analysed. During the analysis, the dimension of ‘ability to move’ is found to be critical, because it has a direct influence on the capacity of the consumer to act. This research is intended to guide policy‐ and decision‐makers of regulatory bodies in understanding consumer behavior towards improving environmental performance index. It also helps organizational managers to make their supply chains green, and competitive, which in turn improves brand image and overall organizational performance. Copyright © 2017 John Wiley & Sons, Ltd and ERP Environment  相似文献   

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The partial least squares (PLS) approach to structural equation modeling (SEM) has been widely adopted in business research fields such as information systems, consumer behavior, and marketing. The use of PLS in the field of operations management is also growing. However, questions still exist among some operations management researchers regarding whether and how PLS should be used. To address these questions, our study provides a practical guideline for using PLS and uses examples from the operations management literature to demonstrate how the specific points in this guideline can be applied. In addition, our study reviews and summarizes the use of PLS in the recent operations management literature according to our guideline. The main contribution of this study is to present a practical guideline for evaluating and using PLS that is tailored to the operations management field.  相似文献   

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中美政府绩效审计比较:基于案例的视角   总被引:6,自引:0,他引:6  
本文对中美政府绩效审计的六个案例进行了比较研究。研究发现中美两国政府绩效审计在审计项目选择、审计目标、审计标准和审计建议方面存在很大的差异。在比较分析的基础上,对今后我国开展政府绩效审计提出了五条合理化建议。  相似文献   

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应用模糊综合评判方法,以分销系统的绩效改进为目标,从分销系统的效率性、响应性、协调性和成长性四个方面,对供应链管理模式下的分销系统绩效问题进行了研究,给出了分销系统绩效的评判指标体系及其说明,以期改进分销系统的绩效并为分销系统的相关决策提供支持.  相似文献   

16.
Assessing corporate environmental performance (CEP) that is both comprehensive and consistent with sustainable development both for society and companies, while at the same time taking heed of the facts and interests of each stakeholder, is not a simple feat. Due to the multidimensional character of the sustainability concept, several questions must be considered in the evaluation process: (i) the qualitative nature of indicators and the complexity of developing a synthetic index; (ii) the difficulty of choosing properly statistical techniques for aggregation and (iii) the difficulty of introducing stakeholders’ preferences in the assessment models. This paper is an attempt to address this challenge by developing a framework for the assessment of CEP, based on the application of a fuzzy multi‐criterion decision‐making (MCDM) method. To achieve positive scores in a CEP assessment, an organization should be strategically committed and engage in environmental management and governance structures that are translated into good results in terms of both engagement and operational performance. Unless such premises are explicitly incorporated into the assessment criteria, the results would reveal that the CEP measurement could not be brought into a line with an earnest ambition of achieving true sustainable development. Copyright © 2015 John Wiley & Sons, Ltd and ERP Environment  相似文献   

17.
GVT作为一种新兴的团队组织形式,正以其低成本、高效率、响应迅速的优势被广泛应用于各个领域,但以信息与通信技术沟通为主的协作方式也为GVT管理带来了挑战。本研究以媒体同步性理论为基础,构建GVT沟通影响因素的初步理论模型,并以大连软件园两家软件公司中的4组团队为案例访谈对象,通过案例分析进一步修正和检验模型。分析结果显示:媒体同步性主要受传输速率和并行性影响;沟通过程与媒体同步性相适配的状态对沟通绩效有促进作用;GVT成员的语言能力、媒体经验和明确的沟通规范都会对沟通工具的使用产生重要影响。  相似文献   

18.
本文旨在探讨组织变革、动态能力以及创新绩效之间的影响关系。以新产品开发为视角提出基于NPD的三维动态能力,并利用探索性案例研究方法,以制造业三家具有代表性的企业为分析样本,证实了组织变革对需求识别能力、概念开发能力和产品设计能力与创新绩效之间的关系起到了部分中介影响作用。  相似文献   

19.
Project selection problems are inherently complex problems with multiple and often conflicting objectives. The complexity of project selection problems is due to the high number of projects from which a subset (portfolio) has to be chosen. Various analytical methods, ranging from the simple weighted sum to complex mathematical programming have been proposed to solving these problems. We propose an integrated approach for strategic and sustainable project portfolio selection, which is composed of two distinct but interrelated modules. In the first module, we use the strategic planning and sustainability concepts to select a set of promising projects. In the second module, we use a project portfolio selection procedure to choose among the promising projects identified in the first module. A structural equation model is used to analyze and explain the relationships among different factors in the proposed framework. More specifically, we investigate the effects of: (1) strategic level performance on sustainability, post‐implementation, and overall performance; (2) implementation performance on post‐implementation and overall performance; (3) portfolio selection performance on implementation and overall performance; and (4) post‐implementation performance on overall performance. A case study in investment banking is presented to demonstrate the applicability of the proposed model and exhibit the efficacy of the procedures and algorithms.  相似文献   

20.
对近年来国内外关于供应链绩效评价的研究文献进行了系统分析与研究,回顾梳理供应链绩效评价的理论体系,对供应链绩效评价指标体系、评价方法、评价对象等方面进行分析,指出了现有供应链绩效评价研究成果的优点和不足之处,并提出供应链绩效评价未来的研究方向。  相似文献   

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