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11.
This paper quantitatively measures technological change in U.S. jet fighter aircraft from 1944 to the present day using the hedonic pricing approach. The technical and performance characteristics of jet fighters have changed dramatically between the time they were first developed at the beginning of the 1940s and the present. Parallel to this technological change there has been a sharp escalation in costs regarding the new generations of jet fighter aircraft. We estimate a measure of price for the performance and technical characteristics of these aircraft. Embodied technological change in jet fighter airframes is measured using quality-adjusted prices. Although the flyaway cost of jet fighter aircraft has soared, on average, by about 12.63% per year, the quality-adjusted aircraft cost has only risen by about 2.6% per year, a figure lower than the average observed general inflation rate for the period (around 4%). This represents an impressive average technological progress ratio of around 10% per year. A revealed preferences argument shows that the characteristic most valued by the government is stealth capability, followed by advanced avionics. 相似文献
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Carlos Alberto Torres 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》2011,57(1-2):39-55
This article begins with a discussion of the implications of CONFINTEA VI having been organised in Brazil ?C the author uses the term ??Brazilian effect?? ?C and the role of social movements challenging neoliberalism. Next, drawing from the experience of Latin America, this paper analyses the counter-hegemonic practice of the new social movements. The concluding section highlights the dilemmas faced by UNESCO in trying to create a democratic and efficient process of policy-making and institutional service in adult education in the nation-states. Furthermore, the proposal of popular education portrayed by the new social movements is described as a tool for empowerment. CONFINTEA VI??s recommendation of moving from rhetoric to action in adult education programmes, practices and policies demands that we take the agendas of the new social movements in the post-neoliberalism era seriously. 相似文献
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Experience of cooperative learning in engineering 总被引:1,自引:1,他引:0
Rocio Maceiras Angeles Cancela Santiago Urréjola Angel Sánchez 《European Journal of Engineering Education》2011,36(1):13-19
The objective of this work is to share the authors’ experience towards a different mode of teaching/learning method. Cooperative learning (Jigsaw) was employed on the University of Vigo's fourth-year engineering students. The results of the experience show that cooperative learning is quite a viable alternative to the classical way of lecturing at the university when the number of students is not too high. The authors’ observation indicates that students did not show a lot of interest towards the new learning style but their resistance changed once they began the activity. The Jigsaw method has proved to be a useful tool for improving the learning process so that students have the opportunity to participate actively in the learning activities. 相似文献
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常识的概念已经成为一种意识形态,在当代社会构建霸权主义、并将霸权主义作为道德与智力领导力的过程中起着重要作用。尽管在事实上新自由主义作为一种经济发展模式已经彻底失败,与新自由主义相关的文化政治仍然盛行于世,并在塑造现代政府和教育角色的理念中变成了新的常识。新自由主义全球化是全球化中最突出的模式,以市场相对于政府的主导地位和放松管制的治理模式为前提,在"学术资本主义"背景下深深地影响了高校。由此带来的改革通常以促进国际竞争力为合理借口,也被称为"竞争型改革"。市场力量日益渗透到高等教育领域,围绕学术资本主义"游戏"展开的大学治理模式的重构,均显示了新自由主义对高校影响的四个主要方面,即效率与问责制、认证与普及化、国际竞争力、私有化。通过引入以管理主义治理院校的新型模式,高校深化并扩大了自身的危机。虽然高校采纳并实施了这些改革措施,但是在不同领域,在自上而下地通过政策和重心调整强制改革时,全球化面临着越来越大的阻力。在许多情况下,新自由主义改革通过收取较高学费与减少政府对院校和个人的支持,限制了一些阶级和种族接受高等教育的机会。 更多还原 相似文献
16.
V. D. Chamizo Clara A. Rodríguez Irene Torres Marta N. Torres N. J. Mackintosh 《Learning & behavior》2014,42(4):348-356
In Experiment 1, two groups of female rats were trained in a triangular pool to find a hidden platform whose location was defined in terms of a single a landmark, a cylinder outside the pool. For one group, the landmark had only a single pattern (i.e., it looked the same when approached from any direction), while for the other, the landmark contained four different patterns (i.e., it looked different when approached from different directions). The first group learned to swim to the platform more rapidly than the second. Experiment 2 confirmed this difference when female rats were trained in a circular pool but found that male rats learned equally rapidly (and as rapidly as females trained with the single-pattern landmark) with both landmarks. This second finding was confirmed in Experiment 3. Finally, in Experiment 4a and 4b, male and female rats were trained either with the same, single-pattern landmark on all trials or with a different landmark each day. Males learned equally rapidly (and as rapidly as females trained with the unchanged landmark) whether the landmark changed or not. We conclude that male and female rats learn rather different things about the landmark that signals the location of the platform. 相似文献
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This paper studies the linguistic input attended by a deaf child exposed to cued speech (CS) in the final part of her prelinguistic period (18-24 months). Subjects are the child, her mother, and her therapist. Analyses have provided data about the quantity of input directed to the child (oral input, more than 1,000 words per half-an-hour session; cued ratio, more than 60% of oral input; and attended ratio, more than 55% of oral input), its linguistic quality (lexical variety, grammatical complexity, etc.), and other properties of interaction (child attention and use of spontaneous gestures). Results show that both adults provided a rich linguistic input to the child and that the child attended most of the input that the adults cued. These results might explain the positive linguistic development of children exposed early to CS. 相似文献
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Allan B. de Guzman Ramon Kristoffer C. Torres Millard M. Uy Joseph Bryan F. Tancioco Elmore Y. Siy Jomar R. Hernandez 《Asia Pacific Education Review》2008,9(4):487-502
Caring, as a universal human phenomenon, should permeate elementary, secondary and tertiary level instruction. The practice
of teaching, especially at the tertiary level, is not only substantial and procedural but relational as well. To teach with
a heart is the essence that makes teaching a form of caring. When teaching is viewed as a form of caring, teachers become
relational geniuses in their own right. This study is an attempt to segment Filipino college students’ views (n=1000) of their
teachers’ caring behavior and their orientations as cared-for individuals. The identified clusters of teacher roles that indicate
caring behavior imply that acts of teaching become acts of caring depending on how the teachers, theefficient cause of education, perform their ordinary tasks in the context ofextraordinariness. Such extraordinariness spells out a big difference in the way teachers practice the so-calledsingle loop caring or caring visibility anddouble- loop caring or caring presence. The former refers to teaching from the heart while the latter pertains to teaching with a heart. Interestingly, the extent
to which teachers’ caring behavior is felt and experienced by the students positively shapes their orientations as cared-for
individuals. 相似文献