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Search Results: 1 - 10 of 92 matches for " Angele Reinders "
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Insights from Stakeholders of Five Residential Smart Grid Pilot Projects in the Netherlands  [PDF]
Uchechi Obinna, Peter Joore, Linda Wauben, Angele Reinders
Smart Grid and Renewable Energy (SGRE) , 2016, DOI: 10.4236/sgre.2016.71001
Abstract: This paper presents insights and perceptions of stakeholders involved in the development and implementation of residential smart grid pilot projects in the Netherlands, adding to the limited information that is currently available in this area, while expectations about the potential benefits of smart grids are high. The main research questions of this study are: (1) How have some typical residential smart grid pilots in the Netherlands been set up? (2) Which stakeholders are involved in these pilots in the year 2014? (3) What are their views and perceptions with regards to the development and performance of residential smart grids? and (4) What do these stakeholders think about the products and services that may support an active participation of end-users in a smart energy home? To obtain information, we evaluated five residential smart grid pilot projects where smart energy products and services have been implemented. Semi-structured interviews were conducted with nine stakeholders involved in these projects. The Strategic Niche management framework was used to identify the present state of development and implementation of smart grid pilots. Our study shows that in the Netherlands residential smart grid pilots have been set-up and funded mainly by the government and grid operators. Other stakeholders involved include energy suppliers, end-users (as an energy cooperative or individual household), product and service suppliers, Information and Communication Technology (ICT) companies, and knowledge institutes. Currently a technology-push approach exists which barely includes an integrated approach towards smart grids products and services development. To the opinion of the interviewed stakeholders, current products and services offered in residential smart grid pilots are functionally attractive, but often too technically complex for the understanding of end-users. Hence, the general view held by respondents is that end-users should be the starting point in the development of smart grid products and services at the residential areas.
Irrigation methods for efficient water application: 40 years of South African research excellence
FB Reinders
Water SA , 2011,
Abstract: The purpose of an irrigation system is to apply the desired amount of water, at the correct application rate and uniformly to the whole field, at the right time, with the least amount of non-beneficial water consumption (losses), and as economically as possible. We know that irrigated agriculture plays a major role in the livelihoods of nations all over the world and South Africa is no exception. With the agricultural water-use sector being the largest of all water-use sectors in South Africa, there have been increased expectations that the sector should increase efficiency and reduce consumption in order to increase the amount of water available for other uses. Studies and research over 40 years, on the techniques of flood-, mobile- and micro-irrigation have contributed to the knowledge base of applying irrigation methods correctly. In a recent study on irrigation efficiency, the approach is that irrigation efficiency should be assessed by applying a water balance to a specific situation rather than by calculating various performance indicators. The fraction of the water abstracted from the source that is utilised by the plant is called the beneficial water-use component, and optimised irrigation water supply is therefore aimed at maximising this component. It implies that water must be delivered from the source to the field both efficiently and effectively. Optimising water use at farm level requires careful consideration of the implications of decisions made during both development (planning and design), and management (operation and maintenance), taking into account technical, economic and environmental issues. An exciting, newly-developed South African Framework for Improved Efficiency of Irrigation Water Use covers 4 levels of water-management infrastructure: the water source, bulk conveyance system, the irrigation scheme and the irrigation farm. The water-balance approach can be applied at any level, within defined boundaries, or across all levels to assess performance within the entire water management area.
The constructivist view in science education - what it has to offer and what should not be expected
Reinders Duit
Investiga??es em Ensino de Ciências , 1996,
Abstract: There is certainly something fashionable about constructivism in science education nowadays. It is further true that constructivism is by no means a consistent movement, there are many variants of this view in use. Furthermore, it appears that constructivism, for some science educators, in any case, has become the new ideology of science education that provides a cure for every problem of teaching and learning science. But without any doubt constructivism has become also a most valuable guideline for science education -- for science teaching and learning as well as for research in these fields. This paper attempts to review the myths, the misunderstandings, the polemics and the serious critiques concerning constructivism. It will be argued in favor of a consistent and "moderate" constructivist view in science education that in fact may provide substantial progress in our field and which major features will be among the valuable views of science education even after the term constructivism will have gone out of fashion.
J.W. Koopmans, W. Thomas (eds.), Propaganda en spektakel. Vroegmoderne intochten en festiviteiten in de Nederlanden
M. Reinders
BMGN : Low Countries Historical Review , 2011,
Learning to Foster Autonomy: The Role of Teacher Education Materials
Hayo Reinders,Cem Balcikanli
Studies in Self-Access Learning Journal , 2011,
Abstract: In recent years there has been an increased appreciation of the interrelationship between learner autonomy and teacher autonomy, both in the classroom and in the self-access centre. One obvious impact on learners’ autonomy is their teachers’ understanding of what autonomy means, and their ability to implement it in the classroom. Especially for beginning teachers, knowledge of learner autonomy is likely to be shaped in large part by the professional training they receive and the amount of attention given to the topic during their teacher education. It is therefore important to ask to what extent teacher training courses prepare teachers for fostering autonomy, including those teachers working in self-access centres. This study attempts to answer that question by critically investigating a range of popular teacher training course materials widely used in professional programmes worldwide. We apply an evaluative framework to identify 1) what information teachers are given about learner autonomy, and 2) the extent to which the materials cover the teaching of different skills for independent learning. Perhaps surprisingly, despite the growing interest in autonomy, it was found that the selected books included almost no information about learner autonomy at all and did not, with one or two minor exceptions, focus on the development of skills for supporting autonomous learning.
Learn English or die: The effects of digital games on interaction and willingness to communicate in a foreign language
Hayo Reinders,Sorada Wattana
Digital Culture & Education , 2011,
Abstract: In recent years there has been a lot of interest in the potential role of digital games in language education. Playing digital games is said to be motivating to students and to benefit the development of social skills, such as collaboration, and metacognitive skills such as planning and organisation. An important potential benefit is also that digital games encourage the use of the target language in a non-threatening environment. Willingness to communicate has been shown to affect second language acquisition in a number of ways and it is therefore important to investigate if there is a connection between playing games and learners’ interaction in the target language. In this article we report on the results of a pilot study that investigated the effects of playing an online multiplayer game on the quantity and quality of second language interaction in the game and on participants’ willingness to communicate in the target language. We will show that digital games can indeed affect second language interaction patterns and contribute to second language acquisition, but that this depends, like in all other teaching and learning environments, on careful pedagogic planning of the activity.
Clinical review: Immunodepression in the surgical patient and increased susceptibility to infection
Martin K Angele, Eugen Faist
Critical Care , 2002, DOI: 10.1186/cc1514
Abstract: Several studies indicate that organ failure is the leading cause of death in surgical patients [1]. Most cases of multiple organ dysfunction are precipitated by infection. Nonetheless, the outcome of organ dysfunction does not correlate well with the microbiology of multiple organ dysfunction syndrome [2]. Several studies indicate that a causal relationship exists between the surgical or traumatic injury and the predisposition of these patients to develop septic/infectious complications and/or multiple organ failure [3,4,5]. The excessive inflammatory response, together with a dramatic paralysis of cell-mediated immunity following major surgery [3,6], appears to be responsible for the increased susceptibility to subsequent sepsis.In view of this, most of the scientific and medical research has been directed towards measuring the progression and inter-relationship of mediators that are activated or suppressed following major surgery. In most clinical studies alterations in immune parameters of patients following surgery have been assessed due to evaluation of peripheral blood cell function and plasma levels of various mediators. Therefore, animal models have been utilized that simulate the clinical conditions. This has allowed us to better define the pathophysiology of the immunoinflammatory response following surgical trauma, which reduces the patient's capability to resist subsequent life-threatening infectious complications.This article will focus on the effect of blood loss and surgical injury on cell-mediated immune responses in experimental studies utilizing models of trauma and hemorrhagic shock, which have defined effects on the immunoinflammatory response. Subsequently each paragraph will discuss how the findings from these experimental studies correlate with data generated from surgical patients. The effect of surgeries on the susceptibility to polymicrobial sepsis and infection will then be illustrated. These studies may generate new approaches for the tre
Bamboo spine – X-ray findings of ankylosing spondylitis revisited
A Reinders, MJ van Wyk
South African Journal of Radiology , 2012,
Abstract: Ankylosing spondylitis is a debilitating disease that is one of the seronegative spondylarthropathies, affecting more males than females in the proportion of about 6:1 in the age group 15 - 35 years of age. Early radiographic findings include bilateral sacro-iliitis and early axial (lower lumbar spine) ankylosis. Typical X-ray findings are florid spondylitis (Romanus lesions), florid diskitis (Andersson lesions), early axial ankylosis, enthesitis, syndesmophytes and insufficiency fractures. Typical radiological abnormalities are pointed out on conventional X-rays and reviewed for early diagnosis and prompt treatment of patients at risk.
Novitas-ROYAL , 2011,
Abstract: The development of learner autonomy is widely seen as beneficial in preparing students for lifelong learning. It is also recognised that most learners need explicit instruction in skills for independent learning. Classrooms provide a natural opportunity to develop these skills in learners. As textbooks play such an important role in most classrooms, it is important to ask to what extent they prepare learners for their future learning. Surprisingly, this has not been done before. This study investigated five English textbooks, commonly used in classrooms worldwide, to determine the 1) range and 2) frequency of advice given to learners about the language learning process. It uses an evaluative framework to identify advice relating to the different aspects of the independent learning process. The study found that the textbooks do little to foster learner autonomy and that when they do, they offer limited opportunity for practice to students.
False positive rates in standard analyses of eye movements in reading
Titus von der Malsburg,Bernhard Angele
Statistics , 2015,
Abstract: In research on eye movements in reading, it is common to analyze a number of canonical dependent measures in order to study how the effects of a manipulation unfold over time. Although this gives rise to the well-known multiple comparisons problem, i.e.~an inflated probability that the null hypothesis is incorrectly rejected (Type I error), it is accepted standard practice not to apply any correction procedures. Instead, there is a widespread belief that corrections are not necessary because the increase in false positives is too small to matter. To our knowledge, no formal argument has ever been made to justify this assumption. Here, we report an investigation of this issue using Monte Carlo simulations. Our results show that false positives are in fact increased to unacceptable levels when no correction is applied, which casts doubt on the assumptions that Type I error rate increases are too small to matter in practice. We also tested two stricter alternative criteria for determining the reliability of an effect and found that the Bonferroni correction controls false positives effectively while only moderately reducing power. Thus, there is little reason why the Bonferroni correction should not be made a standard requirement for analyses of eye movement data in reading.
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