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The study aims to explore the case study method with the formation of questions, data collection procedures and analysis, followed by how and on which position the saturation is achieved in developing a centralized Shariah governance framework for Islamic banks in Bangladesh.

Using purposive and snowball sampling procedures, data have been collected from 17 respondents who are working in the central bank and Islamic banks of Bangladesh through face-to-face and semi-structured interviews.

The study claims that researchers can form the research questions by using “what” question mark in qualitative research. Besides, the qualitative research and case study could explore the answers of “what” questions along with the “why” and “how” more broadly, descriptively and extensively about a phenomenon. Similarly, saturation can be considered attaining the ultimate point of data collection by the researchers without adding anything in the databank. Overall, this study proposes three stages of saturation: First, information redundancy. Second, referring the respondents (already considered in the study) without knowing anything about the data collection and their responses. Third, through the NVivo open coding process due to the decrease of reference or quotes in a certain position or in the saturation position as a result of fewer outcomes or insufficient information. The saturation is thus achieved in the diversified positions, i.e. three respondents for regulatory, nine for Shariah scholars and officers and five for the experts concerning the responses and respondents.

The study has potential implications on the qualitative research method, including the case study, saturation process and points, NVivo analysis and qualitative questions formation.

This research defines a case study with the inclusion of “what” and illustrates the saturation process in diverse positions. The qualitative research questions can also be formed with “what” in addition “why” and “how”.

The lack of a definite standard for determining the sample size in qualitative research leaves the research process to the initiative of the researcher, and this situation overshadows the scientificity of the research. The primary purpose of this research is to propose a model by questioning the problem of determining the sample size, which is one of the essential issues in qualitative research. The fuzzy logic model is proposed to determine the sample size in qualitative research.

Considering the structure of the problem in the present study, the proposed fuzzy logic model will benefit and contribute to the literature and practical applications. In this context, ten variables, namely scope of research, data quality, participant genuineness, duration of the interview, number of interviews, homogeneity, information strength, drilling ability, triangulation and research design, are used as inputs. A total of 20 different scenarios were created to demonstrate the applicability of the model proposed in the research and how the model works.

The authors reflected the results of each scenario in the table and showed the values for the sample size in qualitative studies in Table 4. The research results show that the proposed model's results are of a quality that will support the literature. The research findings show that it is possible to develop a model using the laws of fuzzy logic to determine the sample size in qualitative research.

The model developed in this research can contribute to the literature, and in any case, it can be argued that determining the sample volume is a much more effective and functional model than leaving it to the initiative of the researcher.

As qualitative researchers struggle to come to grips with the technological revolution, they are faced with the necessity of learning and teaching qualitative data analysis software in higher education research courses. This change has significant implications for their practice as researchers and teachers. In this article we provide experienced‐based recommendations for individual practice (research instructors, dissertation advisers, and doctoral students) and for institutional practice (scaling up for deep integration of qualitative data analysis software). Our recommendations are grounded in hard‐earned experience gleaned from many years of working with individuals and institutional contexts to improve the use of qualitative research in higher education.

This paper investigates how sustainability requirements modify supply strategies at different levels in the food industry companies. The paper integrates single supply decisions into firm-level supply strategy and views supply strategy as one coherent strategy in which the decision-making is based on the values and principles of a firm.

The paper captures the decade of change and studies the renewal of supply strategy by utilising two qualitative data sets with a ten years of difference. The data contain 41 interviews from a retailer and 5 of its food supplier companies.

Results confirm that a decade ago only minor attention was channelled towards sustainability whereas today sustainability is a key driver behind supply decisions and supply strategies because firms need to respond to sustainability requirements and challenges. The study presents a framework for analysing different levels (firm, category and supply market levels) of changes and sustainability requirements faced by food companies and their supply strategies.

Previously, sustainability has rarely been connected to firm-level supply strategy. This study presents the supply strategy elements that were important for Finnish food industry companies over a decade ago and matches these elements to the needs of today’s firms. As a result, the study incorporates the concept of sustainability with the supply strategy frameworks.

An increase in outsourcing of consultancy services has been observed during procurement and delivery of public-sector infrastructure projects. However, the incidence of project failure has continued unabated despite this shift by public-sector entities. Also, there appears to be limited literature focussed on seeking to provide the rationale governing the decision to outsource or insource consultancy services by public-sector organisations. The purpose of this study was to appraise the performance of public-sector projects in which consultancy services have been outsourced or insourced. These are the gaps which this study was undertaken to fill.

A grounded theory methodology (GTM) research design was adopted based on the nature of evidence sought and gathered from a Provincial Department of Public Works and Infrastructure (PDPWI) in South Africa. Data was obtained from a mixture of semi-structured interviews and project-specific documents spanning a five-year period and was analysed according to the procedures associated with GTM. Accordingly, open coding, axial coding and pattern matching were carried out at several intervals to develop categories and themes.

The findings of the study showed the absence of a structured approach within the PDPWI for facilitating decisions pertaining to outsourcing or insourcing consultancy services within construction projects. Furthermore, the study established that both approaches yielded similar results across all performance facets of cost, time and quality. In addition, a detailed insight into the steps required for the successful application of GTM in built environment research has been provided in the study.

Limited studies have been undertaken to compare the impact of either outsourced or insourced services on the organisational and project performance. This was the gap to which the study reported in this paper was undertaken to contribute.

Accountability within the framework of circular economy (CE) is unknown even though the concept of CE is increasingly gaining momentum among governments, policymakers and academics. The purpose of this study is to investigate how accountability expresses itself in the CE.

This study draws on the institutional logics theory and adopted an exploratory qualitative study aimed at eliciting stakeholders’ perspectives on how accountability manifests in the context of CE. Data was collected through semi-structured interviews of cross section of Ghanaians. Respondents were recruited using the purposeful sampling method, and data saturation was reached with 35 respondents. Concurrent data collection and analysis were carried out, and emerging themes were investigated as the research progressed.

The results indicate that accountability manifestations take on a variety of forms and shapes through both formal and informal processes within the circularity space. The specific areas of accountability manifestations are through the social system embedded in the society, through the organization’s responsibility and transparency, through regular reporting to stakeholders using appropriate metrics, through agency and answerability to relevant stakeholders and through governance systems embedded within social interaction. Additionally, this study discovered that accountability manifestations would contribute to the firm’s sustainability by enhancing competitive advantage through stakeholder engagement, improving risk management and promoting creativity and innovation.

Given an apparent gap in the literature on circularity and accountability, as well as a call for further studies on the reflections of accountability within the CE, this study provides empirical evidence to fill these gaps.

The practice of social entrepreneurship has grown rapidly around the world, including in Malaysia where it is still considered to be at an early stage. Nevertheless, little is known about the career transition among youth who choose careers as social entrepreneurs. The purpose of this study is to explore the challenges faced by youth social entrepreneurs who run social enterprises in Malaysia.

This study used a qualitative approach to collect and analyse data to answer the research questions. Seven youth social entrepreneurs were interviewed until data saturation was met. An interview guide was created for the purposes of conducting the interviews. The interviews were recorded using a voice recorder. Data were transcribed verbatim and grouped in order to identify the codings, categories and themes.

The findings show the career transition to become a social entrepreneur, as well as the major challenges that youth social entrepreneurs face, which include acclimatising to the life and career of a social entrepreneur and not getting support from family.

The study findings are also significant for presenting valuable data on the experience of the developing social entrepreneur. The qualitative nature of the study provides valuable experiential insight into the lives and struggles of young social entrepreneurs in Malaysia. The findings will allow local authorities and social entrepreneurship regulatory agencies to design initiatives and plan actions intended to overcome the challenges.

This study makes an original contribution by showing that the process of career development as a social entrepreneur has given meaning to the informants. Despite presenting many challenges, social entrepreneurship has reinforced the role of youth social entrepreneurs, especially in relation to social responsibility.

Informed decisions about sampling are critical to improving the quality of research synthesis. Even though several qualitative research synthesists have recommended purposeful sampling for synthesizing qualitative research, the published literature holds sparse discussion on how different strategies for purposeful sampling may be applied to a research synthesis. In primary research, Patton is frequently cited as an authority on the topic of purposeful sampling. In Patton’s original texts that are referred to in this article, Patton does not make any suggestion of using purposeful sampling for research synthesis. This article makes a unique contribution to the literature by examining the adaptability of each of Patton’s 16 purposeful sampling strategies to the process of qualitative research synthesis. It illuminates how different purposeful sampling strategies might be particularly suited to constructing multi‐perspectival, emancipatory, participatory and deconstructive interpretations of published research.

The purpose of this paper is to present grounded theory as an alternative approach for conceptualizing and modelling the consumer experience. The basic theoretical tenets of the grounded theory approach are contrasted with more traditional assumptions and methods used in consumer research.

The approach is based on qualitative methods and a series of systematic ethnographic procedures, which along with the simultaneous processes of data collection and analysis, lead to the development of an inductive derived grounded theory of the visitor experience. In order to develop a model of the interactive experience of visitors to heritage sites, case studies are conducted at three World Heritage Sites in Thailand.

The findings indicate that the grounded theory approach has the potential to reveal a rich and deep understanding of visitor experiences, including the ways that visitors interact with the site, their interpretation of the site, and the meaning of the site for them.

It is suggested that the grounded theory approach can be a valuable tool in exploring the insights and meanings of visitors' experience and could be applied to future research in consumer behaviour. There are practical implications of this kind of research for the management of heritage sites in terms of visitor expectations, interactions and interpretations.

This study has developed a model of the experience and interaction of visitors to Thai World Heritage Sites which could be applied to other heritage sites. It illustrates the theoretical and practical issues of grounded theory approach to exploration and inductive development “interactive experience” of visitors at heritage sites. This is a qualitative research approach that could be adopted for a range of experience based industries such tourism, leisure and hospitality.

This paper aims to consider the realities and problematics of applying a grounded theory (GT) approach to research, as a novice, within a mixed methods study during post graduate research. Its intention is to provide the novice user with a framework of considerations and greater awareness of the issues that GT can expose during research activity.

Using empirical evidence and a comparative approach, the paper compares the efficacy of both the classic Glaserian and Straussian models. It observes the effects of a positivist academic environment upon the choice of approach and its application. This study was specific to design education; however, its reliance upon a social science epistemology results in findings beneficial to research novices across broader disciplines.

GT presents the novice researcher with several potential pitfalls. Most problematic were the immutable, positivist institutional requirements, researcher a priori knowledge, the reliance upon literature for the research proposal and structure of the proposal itself. These include suspension of the notion that the purist use of either model can be applied in the current academic environment, the need for a close relationship with the data and toleration of a non-linear process with unexpected results.

The practicalities of GT research are often reflected upon by the academy, but use by novice researchers is little considered. The findings from this study provide a novel set of guidelines for use by those embarking on GT research and particularly where the requirements of formal education may cause a conflict.