A quality assurance reference model for object-orientation

The focus of the dissertation is on software quality assurance for object-oriented information systems development. A Quality Assurance Reference Model is proposed with aspects dealing with technical and managerial issues. A revised Spiral life cycle model is adopted as well as the Object Modelling Technique. The Quality Assurance Reference Model associates quality factors at various levels, quality criteria and metrics into a matrix framework that may be used to achieve quality assurance for all cycles of the Spiral Model.ComputingM. Sc. (Information Systems

A Revised Framework For Evaluating The Public Value Of E-Government

The concept of public value is becoming increasingly popular as the modern driver for the development of electronic government worldwide. As a result, adequately evaluating the public value of e-government becomes critical, exemplified by the development of several frameworks in this regard. These frameworks, however, suffer from various shortcomings for effectively evaluating the public value of e-government. This paper presents a revised framework for evaluating the public value of e-government based on a comprehensive review of the relevant literature. Structural equation modelling is used for empirically testing and validating the proposed framework based on the survey data collected in Sri Lanka. The study shows that quality of information, e-services, user-orientation of information and services, efficiency and openness of public organizations, equity, self-development of citizens, trust, and contributions of public organizations to the environmental sustainability are the important public values in e-government

Electricity supply and use among rural and peri-urban households and small firms in Nigeria

Improving access to energy services among the underserved requires understanding the status quo in energy access and estimating future energy requirements of energy service provision. In this paper, we present a novel survey dataset collected in 2021 within the framework of the PeopleSuN project. Across three Nigerian geopolitical zones, a total of 3,599 households and 1,122 small and medium-sized enterprises were surveyed. The sample is representative of grid-electrified regions of each zone, excluding urban centres. Our surveys collect data on demographic and socioeconomic characteristics, energy access and supply quality, electrical appliance ownership and usage time, cooking solutions, capabilities, and preferences. We encourage academic use of the data presented and suggest three avenues of further research: (1) modelling appliance ownership likelihoods, electricity consumption levels and energy service needs in un-electrified regions; (2) modelling the integration of decentralised renewable and battery storage solutions to address high usage of diesel generators in peri-urban regions; (3) exploring broader issues of multi-dimensional energy access, access to decent living standards and climate vulnerability.Comment: Revised edition: Summary statistics moved to the end. Related datasets review table added. More technical details on data collection adde

The effect of national culture on information flow

The primary purpose of this paper is to test the effect of national culture on service provision within Islamic Insurance(Takaful). This paper seeks to incorporate the following constructs: Power distance, information gap and information flow as an observed variable represented by hierarchical driven information gathering and sharing or functional driven information gathering and sharing. The secondary purpose, is to investigate Hofstede’s claim regarding the homogeneity of Arab culture in which he believes dominated by the religion of Islam. The sample (n=462) were employees of Takaful operators in Kuwait and Egypt, and they completed the questionnaires in a self administrated method. To test the hypotheses, structural equation modelling using Analysis of Moments structure (AMOS) was employed. It was found that there is differences in information flow between Kuwait and Egypt. Kuwait was found low power distance and functional driven information gathering and sharing mediated by low information gap, whereas Egypt was found high power distance provide information in hierarchical driven information gathering and sharing mediated by high information gap. Another finding, was the significant evidence that is not supporting Hofested’s claim of homogeneity of all Arab culture. Result show clearly how two different Arab countries varies in the services they provide within a sector that unique to the Arab cluster. This paper confirms an existing theory that to the best of the researcher knowledge has never been tested which adds to the body of knowledge in general and Takaful industry in particular how national culture may affect service provision. Secondly, it disconfirm Hofstede’s claim of homogeneity of the Arab culture as it evidently proves the cultural differences between Kuwait and Egypt

Synthesizing diverse evidence: the use of primary qualitative data analysis methods and logic models in public health reviews

Objectives: The nature of public health evidence presents challenges for conventional systematic review processes, with increasing recognition of the need to include a broader range of work including observational studies and qualitative research, yet with methods to combine diverse sources remaining underdeveloped. The objective of this paper is to report the application of a new approach for review of evidence in the public health sphere. The method enables a diverse range of evidence types to be synthesized in order to examine potential relationships between a public health environment and outcomes. Study design: The study drew on previous work by the National Institute for Health and Clinical Excellence on conceptual frameworks. It applied and further extended this work to the synthesis of evidence relating to one particular public health area: the enhancement of employee mental well-being in the workplace. Methods: The approach utilized thematic analysis techniques from primary research, together with conceptual modelling, to explore potential relationships between factors and outcomes. Results: The method enabled a logic framework to be built from a diverse document set that illustrates how elements and associations between elements may impact on the well-being of employees. Conclusions: Whilst recognizing potential criticisms of the approach, it is suggested that logic models can be a useful way of examining the complexity of relationships between factors and outcomes in public health, and of highlighting potential areas for interventions and further research. The use of techniques from primary qualitative research may also be helpful in synthesizing diverse document types. (C) 2010 The Royal Society for Public Health. Published by Elsevier Ltd. All rights reserved

A systematic review of health economic models of opioid agonist therapies in maintenance treatment of non-prescription opioid dependence

Background: Opioid dependence is a chronic condition with substantial health, economic and social costs. The study objective was to conduct a systematic review of published health-economic models of opioid agonist therapy for non-prescription opioid dependence, to review the different modelling approaches identified, and to inform future modelling studies. Methods: Literature searches were conducted in March 2015 in eight electronic databases, supplemented by hand-searching reference lists and searches on six National Health Technology Assessment Agency websites. Studies were included if they: investigated populations that were dependent on non-prescription opioids and were receiving opioid agonist or maintenance therapy; compared any pharmacological maintenance intervention with any other maintenance regimen (including placebo or no treatment); and were health-economic models of any type. Results: A total of 18 unique models were included. These used a range of modelling approaches, including Markov models (n = 4), decision tree with Monte Carlo simulations (n = 3), decision analysis (n = 3), dynamic transmission models (n = 3), decision tree (n = 1), cohort simulation (n = 1), Bayesian (n = 1), and Monte Carlo simulations (n = 2). Time horizons ranged from 6 months to lifetime. The most common evaluation was cost-utility analysis reporting cost per quality-adjusted life-year (n = 11), followed by cost-effectiveness analysis (n = 4), budget-impact analysis/cost comparison (n = 2) and cost-benefit analysis (n = 1). Most studies took the healthcare provider’s perspective. Only a few models included some wider societal costs, such as productivity loss or costs of drug-related crime, disorder and antisocial behaviour. Costs to individuals and impacts on family and social networks were not included in any model. Conclusion: A relatively small number of studies of varying quality were found. Strengths and weaknesses relating to model structure, inputs and approach were identified across all the studies. There was no indication of a single standard emerging as a preferred approach. Most studies omitted societal costs, an important issue since the implications of drug abuse extend widely beyond healthcare services. Nevertheless, elements from previous models could together form a framework for future economic evaluations in opioid agonist therapy including all relevant costs and outcomes. This could more adequately support decision-making and policy development for treatment of non-prescription opioid dependence

Developing and evaluating complex interventions: the new Medical Research Council guidance

<p><i>Evaluating complex interventions is complicated. The Medical Research Council's evaluation framework (2000) brought welcome clarity to the task. Now the council has updated its guidance</i></p> <p>Complex interventions are widely used in the health service, in public health practice, and in areas of social policy that have important health consequences, such as education, transport, and housing. They present various problems for evaluators, in addition to the practical and methodological difficulties that any successful evaluation must overcome. In 2000, the Medical Research Council (MRC) published a framework<sup>1</sup> to help researchers and research funders to recognise and adopt appropriate methods. The framework has been highly influential, and the accompanying BMJ paper is widely cited.<sup>2</sup> However, much valuable experience has since accumulated of both conventional and more innovative methods. This has now been incorporated in comprehensively revised and updated guidance recently released by the MRC (<a href="www.mrc.ac.uk/complexinterventionsguidance">www.mrc.ac.uk/complexinterventionsguidance</a>). In this article we summarise the issues that prompted the revision and the key messages of the new guidance. </p&gt

Impact of housing options to inform the development of the regional spatial strategy

The report summarises work undertaken by Experian for emda to assess the economic impact of the preferred housing option set out in the Regional Spatial Strategy (RSS) and examined alternate scenarios linked to population projections