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51.
Exams often trigger avoidance motivation and a tendency to withdraw; instead, an approach‐oriented motivational state would be more desirable, since this encourages an invigorated and persistent approach to tasks. This study investigated the role of academic self‐concept on the activation of relative approach versus avoidance motivation during the course of an exam‐like situation. In 62 university students (50 women), academic self‐concept was assessed using self‐ratings, and activation of approach versus avoidance motivation was assessed by using the electroencephalogram alpha asymmetry response. Academic self‐concept proved to be an important moderator of motivational responses during the challenging situation. A more negative self‐concept was related to sustained decrease in approach motivation, to rumination, and to worsened mood. In contrast, a positive self‐concept was related to more positive mood and activation of approach motivation even beyond task completion. The findings have educational implications, for instance, for the design of exams and performance feedback.  相似文献   
52.
The safety and efficiency of air traffic are significantly affected by adverse weather. This holds especially in terminal maneuvering areas (TMA) where, in addition to the impact of weather itself, potential weather avoidance routes are strongly restricted by air traffic regulations. A weather avoidance model DIVMET has been developed which proposes a route through a field of developing thunderstorms. Air traffic control regulations have not been included in it at this stage. DIVMET was applied to the TMA of Hong Kong International Airport as air traffic control (ATC) there has become interested in improving the controller’s work load, especially for managing incoming traffic by avoidance route simulations. Although visual inspection of simulated avoidance routes by ATC was satisfactory, a quantitative validation of simulated with real observed routes was also carried out. Two real adverse weather situations with thunderstorms within the TMA of Hong Kong and with heavily distorted traffic were chosen. The main objective prior to any validation, however, was to identify routes which are solely impacted by weather but do not show any signs of regulation. Route selection was done on the base of flight position data. Landing flights were selected and deviations from standard approach routes were analyzed. As a result, the majority of 272 flights were found to be affected by both weather and regulations (60%), highlighting the challenge for air traffic controllers to manage landing traffic under adverse weather conditions safely and efficiently. Only a few weather-affected flights (7%) were not regulated and could be used for validation. DIVMET simulation routes were presented to local air traffic controllers who confirmed them as potential and realistic avoidance routes. DIVMET weather avoidance route simulations within a TMA appear to be helpful but further model development has to incorporate traffic regulations, to include holdings, short-cuts, and slow-downs.  相似文献   
53.
Graham  Steve  Alves  Rui A. 《Reading and writing》2021,34(7):1613-1621
Reading and Writing - Writing is an essential but complex skill that students must master if they are to take full advantage of educational, occupational, and civic responsibilities. Schools, and...  相似文献   
54.
The impact of the spectral composition of light on the discoloration of paint pigments has been investigated for the case of lead chromate sulfate, an unstable yellow pigment used by Vincent van Gogh and other painters. With LEDification, museum lighting is moving from using halogen to LED lamps. LED light sources have a significantly different spectral composition than halogen lamps. To understand the impact of these differences on pigment stability, the wavelength dependence of pigment discoloration was determined. Contrary to the expectation that lower wavelength photons induce more damage than higher wavelength ones, UV (394?nm), blue, and cyan light all lead to similar levels of discoloration of a pigment for the same level of radiant power. By understanding this wavelength dependence, it becomes possible to create white light LED lamps with a spectral composition tuned to minimize the degradation effect. An existing LED solution with a modified emission indeed resulted in 30% less color change in the experiment than halogen. Furthermore, a method is proposed to optimize the LED spectra by tuning to the properties of each specific artifact. Simulations show that this can reduce the damage of the light source by 45% in specific cases.  相似文献   
55.
Despite the proliferation of research on social media and journalism, only a few studies have analyzed how journalists in Latin America embrace the affordances of social platforms for journalism practice. Based on a survey of 877 Latin American reporters, this article examines the platforms journalists use and how they use them. The broad finding is that, despite the great popularity of Facebook in the region, Twitter is the most important platform for daily newsgathering and journalistic work. Journalists turn to Twitter to find sources and stories, showing an important openness to participatory journalism. Yet, they mistrust information provided from political sources. Our findings show that different regions in Latin America work with social media in different ways, and local journalistic cultures have an impact on these adoptions, especially in the case of Brazil. Further research and implications for the field are discussed.  相似文献   
56.
ABSTRACT

Excellence has become a ‘hoorah’ word which is widely used in higher education institutions to legitimate practices related to the recruitment/progression of staff. It can be seen as reflecting an institutionalised belief that such evaluative processes are unaffected by the social characteristics of those who work in them or their relationships with each other. Such views have been challenged by gender theorists and by those researching informal power in state structures. The purpose of this article is to raise the possibility that excellence is an ‘idealised cultural construct’ and a ‘rationalising myth’. Drawing on data from qualitative interviews with 67 men and women, who were candidates or evaluators in recruitment/progression processes in five higher educational institutions (in Ireland, Turkey, Bulgaria, Germany and Italy), it conceptualises and illustrates masculinist, relational and ‘local fit’ micro-political practices that are seen to affect such recruitment/progression. Variation exists by gender and by contextual positioning in the process (i.e. as evaluator/candidate). These practices illustrate the perceived importance of the enactment of informal power. The article suggests that the construct of excellence is used to obscure these practices and to maintain organisational legitimacy in the context of multiple stakeholders with conflicting expectations.  相似文献   
57.
Educational Studies in Mathematics - The world is now facing the most severe health, social, and economic event of the last hundred years, which has made the need to acquire statistical thinking to...  相似文献   
58.
Tertiary Education and Management - This study explores the factors that influence students’ satisfaction with higher education services and assess how they change after graduation, when...  相似文献   
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60.
This qualitative study addressed how experienced Canadian masters-level counsellors perceived the collective identity of their profession in terms of roles, abilities, reputation, and sense of unity. The study employed a variation of grounded theory methodology guided by two research questions: (a) how do experienced counsellors view the professional identity of counselling?, and (b) how do counsellors describe their professional roles and practices? Nine categories of counsellor perceived identity and nine categories related to roles and practices emerged. Findings are discussed in light of the emerging trend toward the statutory regulation of counselling and psychotherapy in Canada.  相似文献   
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