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排序方式: 共有150条查询结果,搜索用时 15 毫秒
81.
Abstract In a post‐9/11 world, where the politics of “us” versus “them” has reemerged under the umbrella of “terrorism,” especially in the United States, can we still envision an éducation sans frontières: a globalized and critical praxis of citizenship education in which there are no borders? If it is possible to conceive it, what might it look like? In this review essay, Awad Ibrahim looks at how these multilayered and complex questions have been addressed in three books: Peter McLaren and Ramin Farahmandpur’s Teaching Against Global Capitalism and the New Imperialism, Nel Noddings’s Educating Citizens for Global Awareness, and Gita Steiner‐Khamsi’s The Global Politics of Educational Borrowing and Lending. Ibrahim concludes that, through creating a liminal, dialogical space between humanism, environmentalism, materialism, philosophy, and comparative education, the authors in these books offer a critical pedagogy in which éducation sans frontières is possible — a project that is as visionary as it is hopeful.  相似文献   
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83.
Quercetin (QE), one of natural flavanoid group, was widely distributed as a secondary metabolite in plant kingdom. It has been believed that oxidative stress plays a role in the pathogenesis of diabetes mellitus (DM). The aim of the present study was the evaluation of possible effects of QE on blood glucose and antioxidant enzymes in experimental streptozotocin (STZ)-induced diabetes in rats. STZ was injected intraperitoneally with single dose of 50 mg/kg for diabetes induction. QE (15 mg/kg bw day, intraperitoneal (i.p.) injection) was injected for 3 days prior to STZ administration; these injections were continued to the end of the study (for 25 days). Glucose tolerance test and random plasma glucose were done for all animals. Cellular antioxidant enzymes such as glutathione peroxidase (GSHPx), superoxide dismutase (SOD) and catalase (CAT) activities were measured in pancreatic homogenates. Quercetin had no effect on plasma glucose level of normal animals but its pre- treatment was able to prevent diabetes induced by single intraperitoneal injection of streptozocintreated rats. Antioxidant enzyme activity significantly decreased in STZ induced diabetic group. QE treatment significantly increased the antioxidant enzyme activities. It could be concluded that quercetin, a flavonoid with antioxidant properties, exerting its beneficial antidiabetic effects.  相似文献   
84.
Interpreting VASS Dimensions and Profiles for Physics Students   总被引:1,自引:1,他引:0  
Student views about knowing and learning physics have been probed with the Views About Sciences Survey (VASS) along six conceptual dimensions, and classified into four distinct profiles: expert, high transitional, low transitional, and folk. As an aid to interpreting VASS results, this article provides a qualitative analysis of student responses to items within each of the six dimensions and a quantitative analysis of their relation to students' profiles. Students with an expert profile are chiefly scientific realists and critical learners. Students with a folk profile are primarily naive realists and passive learners. Students with transitional profiles hold mixtures of these views. Student profiles correlate significantly with physics achievement. Indeed, they may be major determinants of what students learn in physics courses.  相似文献   
85.
This study assessed the effect of design instructional video based on the Cognitive Theory of Multimedia Learning by applying segmentation and signaling on the learning outcome of students in an online technology integration course. The study assessed the correlation between students’ personal preferences (preferred learning styles and area of specialization) and their learning outcomes. A three-group pretest–posttest design was employed to assess whether there were significant differences in students’ test scores after they watched an instructional video. The results of the analysis of covariance (ANCOVA) analysis indicate that instructional design had a significant effect on students’ learning outcome. This effect was demonstrated by the statistically significant differences in students’ learning outcomes, with the highest scores achieved by students in the segmented and signaled video group and the lowest scores in the no-segmentation and no-signaling group. Moreover, results indicate that students’ learning preferences and area of specialization related significantly and positively to their learning outcomes. These findings suggest that the use of educational video in online courses has the potential to effectively improve students’ learning outcome; however, it requires design manipulation. The results also emphasize the importance of rethinking the one-size-fits-all approach in developing online course content and include consideration of the students’ learning preferences and area of specialization to optimize their learning.  相似文献   
86.
The aim of this study was to investigate the effectiveness of conceptual change-based instruction and traditionally designed physics instruction on students' understanding of projectile motion concepts. Misconceptions related to projectile motion concepts were determined by related literature on this subject. Accordingly, the Projectile Motion Concepts Test was developed. The data were obtained through 43 students in an experimental group taught with learning activities based on conceptual change instruction and 39 students in a control group who followed traditional classroom instruction. The results showed that conceptual change-based instruction caused significantly better acquisition of conceptual change of projectile motion concepts than the traditional instruction.  相似文献   
87.
The qualifications that constitute the employability and identity of graduates are viewed differently by the academic community and the industry. Currently, it is observed for Information Technologies (IT) sector that the demands of the industry are not always satisfied by the perceived standards of the graduates. To provide feedback to the corresponding departments, a survey regarding employer expectations and factors affecting these expectations has been conducted among a number of senior professionals and managers working in the IT sector in Turkey regarding this inconsistency. The employer expectations are considered in two empirical categories as competencies and adequacies. The multiple regression analysis technique has been used to analyze the survey data. Based on the analysis, recommendations are provided to IT departments as well as their students to better fulfill the demands of the industry.  相似文献   
88.
Ali S. Ibrahim 《Prospects》2010,40(4):499-515
For the past two centuries, western modern education has informed education policies and practices in Egypt. However, few researchers have analyzed the historical or current politics of educational transfer in this country. This article investigates the ways in which foreign transfer has influenced Egyptian education, both historically and currently. It concludes that current Egyptian education is a product of inappropriately adapted foreign transfers coupled with domestic interest in spreading education with little attention to its quality. Egypt has recently received considerable support from the international community and has been influenced by global educational discourses. Yet, its educational reforms have met little, if any, success as they have been introduced into a system with characteristics that are historically ingrained and resistant to change, and into a contested context of competing interest groups and a climate of mistrust. The result is a disoriented education system full of problems.  相似文献   
89.
This study investigates the impact of transformational leadership as idealized influence, inspirational motivation, intellectual stimulation, and individualized consideration on teachers’ commitment towards organization, teaching profession, and students’ learning. A quantitative survey method was applied, and four broadly hypothesized relationships were tested with a sample of 1,014 trained non-graduate and graduate teachers serving in twenty-seven secondary schools in Sarawak, Malaysia. The results indicate a moderate level of teachers’ commitment and a low level of transformational leadership qualities among the respondents. This study found that inspirational motivation, individualized consideration, and intellectual stimulation were the factors contributing towards teachers’ commitment to teaching profession, and there was no dominant factor influencing commitment to students’ learning. Moreover, it was discovered that inspirational motivation was a factor to teachers’ efficacy and teaching experience. Besides, teachers’ efficacy and teaching experience were predictors to teachers’ commitment to organization, teaching profession, and students’ learning, respectively. These findings revealed that there was a significant relationship between transformational leadership and teachers’ commitment to organization and teaching profession, but not students’ learning. The results of this study indicate the necessity for leadership development of school leaders so that they could systematically acquire and internalize the effective transformational leadership qualities that are crucial in changing teachers’ attitude and improving their commitment towards their profession.  相似文献   
90.
The purpose of the study was to examine preservice teachers’ attitudes using Second Life for multicultural literacy and to explore effective strategies to implement this technology in teacher preparation programs. Participants included thirty-six preserve teachers from early childhood, elementary, and secondary education programs. Participants indicated that interacting with cultural artifacts and diverse populations promoted multiculturalism, 47.5% reported that Second Life supported the development of multicultural attitudes and 50% indicated that Second Life can support multicultural respect. Additionally, 33.4% considered Second Life an effective learning tool for K-12 education while 40% remained undecided. Participants questioned the veracity of certain objects, often failed to communicate with individuals from other cultures, and worried about inappropriate content. Despite these limitations, Second Life could serve as a rich environment to build multicultural knowledge through culturally representative locations, artifacts, and communication. Suggestions for incorporating multicultural experiences via Second Life are presented.  相似文献   
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