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41.
Discourses that supported de jure segregated schools often invoked White innocence in the form of altruistic motivations. These same invocations are found in more contemporary school policy discourses. The authors of this article argue, based on the concept of intertextuality of discourse, the existence of contemporary schooling policies as vestiges of segregation. 相似文献
42.
Mohamed Assaad Hamida Alain Glumineau Jesus de Leon 《Journal of The Franklin Institute》2012,349(5):1734-1757
In this paper, a sensorless speed control for interior permanent magnet synchronous motors (IPMSM) is designed by combining a robust backstepping controller with integral actions and an adaptive interconnected observer. The IPMSM control design generally requires rotor position measurement. Then, to eliminate this sensor, an adaptive interconnected observer is designed to estimate the rotor position and the speed. Moreover, a robust nonlinear control based on the backstepping algorithm is designed where an integral action is introduced in order to improve the robust properties of the controller. The stability of the closed-loop system with the observer–controller scheme is analyzed and sufficient conditions are given to prove the practical stability. Simulation results are shown to illustrate the performance of the proposed scheme under parametric uncertainties and low speed. Furthermore, the proposed integral backstepping control is compared with the classical backstepping controller. 相似文献
43.
Helena Pedrosa de Jesus Aurora Coelho Moreira 《Assessment & Evaluation in Higher Education》2009,34(2):193-208
The quality of teaching and learning has been one of the major concerns of foundation chemistry disciplines for science and engineering undergraduates at the University of Aveiro, Portugal. Student‐centred approaches are being continuously developed, exploring ways of stimulating active and meaningful student learning by encouraging questioning by students. The development of questioning competences is regarded as fundamental, particularly in science education. In order to reinforce adequate alignment with teaching strategies, a new assessment method was implemented during the academic year of 2004–2005. This study is mainly aimed at exploring the use and integration of students’ questions as alternative assessment tools. Written formative and summative problem‐based cases were designed for these purposes. The questions raised by students during those assignments were analysed according to their cognitive level, relationship and orientation to the problem posed, herein considered to be quality indicators for learners’ questions. The findings suggest a deep engagement of students within these situations along the year, supporting the use of these alternative assessment tools as a way of fostering students’ questioning capability. Results also reveal that it is possible to achieve, with students’ questions placed at the centre of these processes, alignment between teaching, learning and assessment. 相似文献
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Walter H. Curioso Jesus Peinado Crisogono F. Rubio Marcela Lazo‐Escalante Jesus M. Castagnetto 《Health information and libraries journal》2009,26(3):246-251
Introduction
This issue of the feature column reports on developments in Peru on the use of information and communication technologies to improve public health. The authors describe how cell phones and hand‐held devices are being deployed to monitor diseases. Recent concerns about the spread of swine flu highlight the importance of robust public health systems in developing countries. 1 Jeannete MurphyReference
1 Swine flu could be a disaster for weak public health systems in developing countries . British Journal of Healthcare Computing and Information Management , 30 April 2009. http://www.bjhcim.co.uk/news/2009/n904046.htm (accessed 18/05/09). 相似文献46.
Margarita Jimenez-Silva Laura Gomez Jesus Cisneros 《Journal of Latinos & Education》2014,13(3):181-195
This article provides an analysis of Arizona’s policy response in educating English language learners by conducting a narrative review. A critical Latina/o theory approach was used to analyze the data. This study reveals 5 salient policy responses: (a) severely limit bilingual education, (b) develop controversial funding solutions, (c) implement a segregated 4-hr English language development block, (d) mandate structured English immersion–focused teacher preparation, and (e) develop disputed identification and classification instruments. The available data suggest that these policies have negatively impacted the educational experience and academic attainment of English language learners. 相似文献
47.
Vitor Gamboa Maria Paula Paixão Saúl Neves de Jesus 《International Journal for Educational and Vocational Guidance》2014,14(2):221-244
The provision of workplace-based experiences (internships) is an important component of the training program for students attending vocational education courses. The purpose of this study was to clarify the relationship between internship quality and students vocational development, considering students’ vocational profiles, in a sample of 346 twelfth grade students from southern Portugal, using a longitudinal design. Results show that internship quality is associated with the career development of students, mainly concerning the process of career exploration, and has an effect that appears to be more pronounced for some of the clusters. Implications for career intervention are discussed. 相似文献
48.
Identification of histological threshold concepts in health sciences curricula: Students' perception
Miguel A. Martin-Piedra Salvador Saavedra-Casado Antonio Santisteban-Espejo Fernando Campos Jesus Chato-Astrain Oscar Dario Garcia-Garcia David Sanchez-Porras Juan de Dios Luna del Castillo Ismael Angel Rodriguez Antonio Campos 《Anatomical sciences education》2023,16(1):171-182
Students' metacognitive skills and perceptions are considered important variables for high-quality learning. In this study, students' perceptions were used to identify histological threshold concepts (integrative, irreversible, transformative, and troublesome) in three health sciences curricula. A specific questionnaire was developed and validated to characterize students' perceptions of histological threshold concepts. A sample of 410 undergraduate students enrolled in the dentistry, medicine, and pharmacy degree programs participated in the study. Concepts assessed in the study were clustered to ten categories (factors) by exploratory and confirmatory factor analysis. Concepts linked to tissue organization and tissue functional states received the highest scores from students in all degree programs, suggesting that the process of learning histology requires the integration of both static concepts related to the constituent elements of tissues and dynamic concepts such as stem cells as a tissue renewal substrate, or the euplasic, proplasic and retroplasic states of tissues. The complexity of integrating static and dynamic concepts may pose a challenging barrier to the comprehension of histology. In addition, several differences were detected among the students in different degree programs. Dentistry students more often perceived morphostructural concepts as threshold concepts, whereas medical students highlighted concepts related to two-dimensional microscopic identification. Lastly, pharmacy students identified concepts related to tissue general activity as critical for the comprehension and learning of histology. The identification of threshold concepts through students' perceptions is potentially useful to improve the teaching and learning process in health sciences curricula. 相似文献
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Esteban Navarrete-Alvarez Maria Jesus Rosales-Moreno Maria Dolores Huete-Morales 《美中教育评论》2010,(10):36-41
Statistics teaching should not be carried out in the same way for all kinds of university students. Instead, teaching statistics should take into account the different fields of study that students have chosen. For example, students of sciences or engineering have different interests and backgrounds compared to students of any social or juridical field. The authors address this latter group of students (social, juridical, labor or even economics). The authors propose a direct approach: beginning with a real situation or supposition with real data. Questions of interest are explored and put into the language of statistics. To answer the questions, the necessary statistical methods are used. If needed, these methods are presented and explained at that time. Finally, the authors return to the beginning, to give an interpretation of the results. The approach takes into account the students' levels and the kind of studies or professional orientation of these students. 相似文献