902 resultados para Organizational learning - Case studies


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The external evaluation of non-higher education schools in Portugal has been developed by the General Inspectorate of Education since 2006. A first cycle of evaluation was completed, covering all educational units in continental Portugal up to 2011. The model of evaluation has since been subject to alterations, and a second cycle of evaluation is now coming to an end. The current model of evaluation is based on documental analysis, analysis of students’ results, and panel interviews with a variety of representatives of the school community, and addresses three domains: results, provision of educational service and management. This paper is part of an ongoing research project, developed by 6 universities and supported by the Portuguese Foundation for Science and Technology (PTDC/CPE-CED/116674/2010) which intends to analyse the impacts and effects this process of external evaluation has had on Portuguese schools. This project includes a variety of perspectives and methodologies. In particular, we will focus on two case studies undertaken in two schools from the northern region of Portugal, and more specifically on the perspectives expressed by the teachers of those schools. These particular schools were chosen because they have been evaluated twice and represent different educational levels (basic and secondary), contexts and results. These case studies included the analysis of documental data, interviews to key informants and a questionnaire directed to teachers (n = 141) – the latter will be the main focus of this paper. Teachers are essential elements of the school community when considering the impacts of external evaluation, as any changes directed at teaching practices, student evaluation, among others are only possible through their direct action and implication. Therefore, their perceptions on the process and its impacts are crucial to the understanding of what does and does not change in schools as a consequence of external evaluation. Although teachers’ opinions are not homogenous and each school reveals a number of differences when it comes to teachers’ perceptions of School Evaluation, it was possible to stress some areas as the most and as the least consensual. Teachers in both schools agree External School Evaluation (ESE) is useful for the identification of the schools’ strengths and weaknesses, values students’ external evaluation results, imposes a model for schools internal evaluation (and in fact contributes to the very existence of internal evaluation practices), and contributes to schools improvement. However teachers in both schools do not believe ESE contributes to teachers’ autonomy produces changes in how curriculum is managed, or leads to innovative teaching practices. These results point to a greater emphasis on change at the levels of school management, self-evaluation and particularly internal evaluation, but little impact on the teaching practices. We believe the classroom is at the core of school practices and teaching processes are essential to any measure of school quality and to their impacts on student learning.

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The objective of this research is to identify the factors that influence the migration of free software to proprietary software, or vice-versa. The theoretical framework was developed in light of the Diffusion of Innovations Theory (DIT) proposed by Rogers (1976, 1995), and the Unified Theory of Acceptance and Use of Technology (UTAUT) proposed by Venkatesh, Morris, Davis and Davis (2003). The research was structured in two phases: the first phase was exploratory, characterized by adjustments of the revised theory to fit Brazilian reality and the identification of companies that could be the subject of investigation; and the second phase was qualitative, in which case studies were conducted at ArcelorMittal Tubarão (AMT), a private company that migrated from proprietary software (Unix) to free software (Linux), and the city government of Serra, in Espírito Santo state, a public organization that migrated from free software (OpenOffice) to proprietary (MS Office). The results show that software migration decision takes into account factors that go beyond issues involving technical or cost aspects, such as cultural barriers, user rejection and resistance to change. These results underscore the importance of social aspects, which can play a decisive role in the decision regarding software migration and its successful implementation.

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Vibration based damage identification methods examine the changes in primary modal parameters or quantities derived from modal parameters. As one method may have advantages over the other under some circumstances, a multi-criteria approach is proposed. Case studies are conducted separately on beam, plate and plate-on-beam structures. Using the numerically simulated modal data obtained through finite element analysis software, algorithms based on flexibility and strain energy changes before and after damage are obtained and used as the indices for the assessment of the state of structural health. Results show that the proposed multi-criteria method is effective in damage identification in these structures.

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Experience underlies all kinds of human knowledge and determines how people interact with products and environments. It also influences designers’ knowledge and their design process. An issue not fully addressed in current literature is about the way in which designers’ individual experience influences design tasks. This paper presents two qualitative design case studies that involve experiments employing collaborative design approaches. Case study one focuses on product usability and case study two, sustainable design. Both studies applied an empirical approach; data collected consisted of sketches and audio- and video-recordings. The studies share a common research approach that opens the discussion about designers’ interactions; the way those interactions reveal knowledge and experience, the influence of these interactions upon the design process and approach to design tasks. This paper will present the correlations and discrepancies between these two case studies and the collaborative design approach used in each study, outlining future research endeavors.

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Perspectives on work-life balance (WLB) reflected in political, media and organisational discourse, would maintain that WLB is on the agenda because of broad social, economic and political factors (Fleetwood 2007). In contrast, critical scholarship which examines work-life balance (WLB) and its associated practices maintains that workplace flexibility is more than a quasi-functionalist response to contemporary problems faced by individuals, families or organisations. For example, the literature identifies where flexible work arrangements have not lived up to expectations of a panacea for work-home conflicts, being characterised as much by employer-driven working conditions that disadvantage workers and constrain balance, as they are by employee friendly practices that enable it (Charlesworth 1997). Further, even where generous organisational work-life balance policies exist, under-utilisation is an issue (Schaefer et al, 2007). Compounding these issues is that many employees perceive their paid work as becoming more intense, pressured and demanding (Townsend et al 2003).

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The shift from 20th century mass communications media towards convergent media and Web 2.0 has raised the possibility of a renaissance of the public sphere, based around citizen journalism and participatory media culture. This paper will evaluate such claims both conceptually and empirically. At a conceptual level, it is noted that the question of whether media democratization is occurring depends in part upon how democracy is understood, with some critical differences in understandings of democracy, the public sphere and media citizenship. The empirical work in this paper draws upon various case studies of new developments in Australian media, including online- only newspapers, developments in public service media, and the rise of commercially based online alternative media. It is argued that participatory media culture is being expanded if understood in terms of media pluralism, but that implications for the public sphere depend in part upon how media democratization is defined.