876 resultados para software quality assurance


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This paper presents a case study on the implementation of quality management programmes and initiatives in one manufacturing company in Australia, which has lasted for more than two decades. Using data collected through in-depth interviews, the case study describes how the company progressed from an earlier initiative based on quality control to the present initiatives that emphasize customer focus, product development, and innovation. Several important insights are drawn from the case study, including the importance of aligning the quality programmes or initiatives with a clear strategic focus. In addition, the commitment and leadership of senior management of the company has been demonstrated, particularly in the provision of resources and facilities to support the TQM programme, and also shown is how the company has been successful in maintaining its long-term commitment to quality management, which has led to an accumulation of various knowledge and competencies, which function as a valuable resource to sustain its business performance.

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How to provide cost-effective strategies for Software Testing has been one of the research focuses in Software Engineering for a long time. Many researchers in Software Engineering have addressed the effectiveness and quality metric of Software Testing, and many interesting results have been obtained. However, one issue of paramount importance in software testing – the intrinsic imprecise and uncertain relationships within testing metrics – is left unaddressed. To this end, a new quality and effectiveness measurement based on fuzzy logic is proposed. The software quality features and analogy-based reasoning are discussed, which can deal with quality and effectiveness consistency between different test projects. Experimental results are also provided to verify the proposed measurement.

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A major issue confronting educators is the extent to which they wish to conform to so-called paradigm shifts in teaching and learning. In the contemporary world of tertiary education these shifts embrace both pedagogy (from instructivist to constructivist) and technology (classroom to online). As teachers and learners are faced with the potential of these new learning environments, the extent to which the learning outcomes are achieved remains a high priority and subject to a wide range of evaluation strategies. Conventionally, evaluation is often conceptualised as occurring at the end of the development process, to assess first (formatively) whether or not the creative effort has achieved the original product goals and second (summatively) whether or not the desired learning outcomes were achieved. However, in the context of imperatives to implement online learning paradigms, the level of understanding teachers and developers have of the medium can impact the effectiveness of the product. This paper presents an additional perspective to the post-development, reactive evaluation processes in proposing the concept of proactive evaluation, a framework that identifies critical online learning factors and influences to better inform the development of learning resources. In essence, the proposal advocates an approach where development is undertaken within an environment where all activities are assessed using the evaluation criteria that would be applied when the product is assessed reactively. By performing these checks proactively, online learning resources will, in principle, work first time as all relevant factors and issues will have been considered and resolved.

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This paper describes an approach to studying innovation and change that is taken from the field of Science and Technology Studies. Actor-network theory draws attention to the performative nature of the implementation of new technologies like quality systems and on1ine teaching. The theory posits that the world is not populated with entities that possess certain essences in and of themselves, but rather that the world is a texture of relations-a network which occasionally produces the effect of stabilised entities. We examine the consequences of producing durable forms of online teaching and quality assurance and argue that achieving durable performances requires a conformity to existing performances of a university thus reproducing current patterns of inequity.

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Discussions about ‘quality’ and ‘quality assurance’ abound in contemporary Australian universities. Since 1992, the Australian federal government has ‘promoted’ and/or mandated the use of particular quality assurance mechanisms within higher education and in 2001 The Australian University Quality Agency began to conduct the first of a series of ‘audits’ aimed at determining how well particular institutions meet standards and achieve
outcomes overseen, at least indirectly, by government agencies.

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How to provide cost-effective strategies for Software Testing has been one of the research focuses in Software Engineering for a long time. Many researchers in Software Engineering have addressed the effectiveness and quality metric of Software Testing, and many interesting results have been obtained. However, one issue of paramount importance in software testing — the intrinsic imprecise and uncertain relationships within testing metrics — is left unaddressed. To this end, a new quality and effectiveness measurement based on fuzzy logic is proposed. Related issues like the software quality features and fuzzy reasoning for test project similarity measurement are discussed, which can deal with quality and effectiveness consistency between different test projects. Experiments were conducted to verify the proposed measurement using real data from actual software testing projects. Experimental results show that the proposed fuzzy logic based metrics is effective and efficient to measure and evaluate the quality and effectiveness of test projects.

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This paper surveys the development of various approaches to quality that are essentially learning-centred:

•In the Schools sector: a brief overview of the Victorian Quality in Schools project;

•In Higher Education: work in progress at two Australian universities (Victoria University of Technology and Swinburne Universities of Technology in Melbourne); and

•In Vocational Education and Training: work in progress in re-orienting the policy approach to Quality towards a more flexible and learning-centred model.

This paper will argue that when looked at from the perspective of the individual learner, there is a strong case for student learning to be placed at the very heart of Quality Systems in all sectors of education, and also therefore in related sectoral Quality Assurance programs and processes.

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Identification of all diabetic patients in the population is essential if diabetic care is to be effective in achieving the targets of the St Vincent Declaration.1 The challenge therefore is to establish population based monitoring and control systems by means of state of the art technology in order to achieve quality assurance in the provision of care for patients with diabetes. 2,3 Disease management receives extensive international support as the most appropriate approach to organising and delivering healthcare for chronic conditions like diabetes.4 This approach is achieved through a combination of guidelines for practice, patient education, consultations and follow up using a planned team approach and a strong focus on continuous quality improvement using information technology. 5,6 The current software (Medical Director) could not easily meet these requirements which led us to adopt a trial of Ferret. In designing this project we used change management7 and the plan, do, study, act cycle8 illustrated in Diagram 1.

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A theoretical framework is built for capturing properties of competition in mature monopolistic digital product markets. Based on an empirical study of the market of accounting software for small and medium enterprises, a consumer choice model is suggested, where a rational consumer is already using a particular version of a software package and is considering to chose from the following three options: either to continue using it, or to upgrade to a newer version of the product, or to switch to a competitive product. Consumer decision is justified by software quality, and network effects, under the price and switching costs constrains. A modified consumer demand function is used for the model, and theoretical conditions are analysed for choosing from one of the three above-mentioned options. The results are applicable to a wide range of digital products.

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This paper explores a number of quality enhancement initiatives being implemented in a developing country, the Sultanate of Oman, to increase the national capability for quality higher education. Oman is a young country with a youthful and rapidly growing population. A brief description of the relatively short history of Oman’s national systems for secondary and postsecondary education is provided. This highlights the challenges for quality education resulting from a strategy of importing postsecondary education from a variety of countries, and delivering the programs through a largely privatized sector.

The paper then describes the outcomes of an initial needs analysis that led to the development of a National Quality Plan. Some of the strategies in this plan for improving and increasing capability are considered, most particularly the establishment of a practitioner‐oriented Oman Quality Network, and the design and implementation of a National Quality Training Program. These two strategies attempt to address common obstacles to capability, namely a paradigm that entrenches compliance and helplessness, and only early awareness of effective quality enhancement and quality assurance principles and methods.

Evaluation results are presented that comment on progress thus far, and suggest critical success factors. These include building legitimacy and trust to overcome barriers to sharing information in a competitive privatized environment. They also include the establishment of peer to peer mechanisms that build confidence and create sustainability over time, as imported or external expertise gives way to local capability and expertise.

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Evaluating the validity of formative variables has presented ongoing challenges for researchers. In this paper we use global criterion measures to compare and critically evaluate two alternative formative measures of System Quality. One model is based on the ISO-9126 software quality standard, and the other is based on a leading information systems research model. We find that despite both models having a strong provenance, many of the items appear to be non-significant in our study. We examine the implications of this by evaluating the quality of the criterion variables we used, and the performance of PLS when evaluating formative models with a large number of items. We find that our respondents had difficulty distinguishing between global criterion variables measuring different aspects of overall System Quality. Also, because formative indicators “compete with one another” in PLS, it may be difficult to develop a set of measures which are all significant for a complex formative construct with a broad scope and a large number of items. Overall, we suggest that there is cautious evidence that both sets of measures are valid and largely equivalent, although questions still remain about the measures, the use of criterion variables, and the use of PLS for this type of model evaluation.

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The Assurance of Learning for Graduate Employability framework is a quality assurance model for curriculum enhancement for graduate employability, enabling graduates to achieve "the skills, understandings and personal attributes that make [them] more likely to secure employment and be successful in their chosen occupations to the benefit of themselves, the workforce, the community and the economy" (Yorke, 2006). Of particular note is the framework's dependence on three foundations, including easy access to integrated and accessible tools for staff and student self-management. In other words, this approach to curriculum quality depends on staff and student access to tools that enable them to self-manage their learning. This paper examines two aspects which informed the design of a student e-portfolio system, iPortfolio, intended for students' self-management of their learning, particularly recording evidence of their achievement of capabilities. The paper focuses on two particular considerations in the design of the iPortfolio: adoptability and learning analytics. Adoptability means the phase preceding adoption, whether students have the devices, platforms and technology skills to be able to use such an innovation. The iPortfolio also facilitates learning analytics: it has the capability to gather data related to learning indicators for course quality assurance purposes. Both adoptability and analytics are very dynamic fields: new devices, platforms and applications constantly spark changes in user habits, and policy changes mean institutions need to be able to provide new data, often at short notice. In the conclusion, the paper suggests how tools such as the iPortfolio can be designed for 'future proofing' and sustainability.