نتایج جستجو برای: quality assurance
تعداد نتایج: 759452 فیلتر نتایج به سال:
Introduction: The evaluation of X-ray and light field coincidence in linear accelerators as a quality control test is often performed subjectively, involving the manual marking of films and their visual inspection following the irradiation. Therefore, the present study aimed to develop an objective method for the performance of this test leading to the increased levels...
In 2003 a working group established on the initiative of the Centre of Information Technology of Education under the Ministry of Education and Science, has been reviewing regulations for the assessment and certification of educational software. This article analizes the main aspects of the proposed orders. It discusses general structure of quality assurance system, the procedures for the certif...
1 1 This is an updated version of the guidelines presented to the Committee for the Coordination of Statistical Activities (CCSA) at its meeting in September 2009 [CCSA, 2009]. It takes into account comments received from members of the CCSA and as well recent developments on quality. The aim of the document is to further support the work of the CCSA for enhanced quality assurance of statistica...
Models have begun to play an important role in environmental assessment and urban climate studies. Their increasing use, however, is paralleled by a growing awareness that the majority of these models have never been the subject of rigorous evaluation. Consequently there is a lack of confidence in the modelled results. The paper reports on a European initiative (COST 732) which was launched 200...
Many of the early quality models have followed a hierarchical approach in which a set of factors that affect quality are defined, with little scope for expansion. More recent models have been developed that follow a 'Define your own' approach with locally tailored factors. The aim of this study is to present a new model to software quality assurance which addresses the problems of theses approa...
Nowadays, software organisations need to develop excellent and reliable products. This scenario has helped to increase the relevance of quality assurance activities, especially the testing discipline. However, sometimes the time and resources are limited and not all tests can be executed, demanding organisations to decide what use cases should be tested, to guarantee the predictability of the p...
molecular diagnostic methods have played and continuing to have a critical role in clinical laboratories in recent years. therefore, standardization is an evolutionary process that needs to be upgrade with increasing scientific knowledge, improvement of the instruments and techniques. the aim of this study was to design a quality assurance program in order to have similar conditions for all med...
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