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61.
62.
This article describes a self-study pursuant to a clash between a lecturer and a student concerning the teaching of literature in a politically fraught context. The learning group is composed of Arab and Jewish teachers at a college in northern Israel. The work read by the group expresses a Palestinian perspective. The incident, discussed with reference to the concepts of ethical reading and in-between space, is explained against the background of the lecturer’s professional views and the complexity of teaching literature in a polarized and conflicted society. Analysis of the incident, accompanied by a look at the professional literature, reveals the lecturer’s blind spots as well as the complexity of the situation in which she was acting. Details of the case and the process of its interpretation may serve to enrich the perspectives of literature teacher educators who believe in ethical reading and in constructing an in-between space in their lessons, providing them with insights regarding teaching in contexts fraught with cultural tensions.  相似文献   
63.
In the quest to create a low-power portable lab-on-a-chip system, we demonstrate the specific binding and concentration of human CD8+ T-lymphocytes on an electrowetting-on-dielectric (EWOD)-based digital microfluidic platform using antibody-conjugated magnetic beads (MB-Abs). By using a small quantity of nonionic surfactant, we enable the human cell-based assays with selective magnetic binding on the EWOD device in an air environment. High binding efficiency (~92%)of specific cells on MB-Abs is achieved due to the intimate contact between the cells and the magnetic beads (MBs) produced by the circulating flow within the small droplet. MBs have been used and cells manipulated in the droplets actuated by EWOD before; reported here is a cell assay of a clinical protocol on the EWOD device in air environment. The present technique can be further extended to capture other types of cells by suitable surface modification on the MBs.  相似文献   
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65.
What are the main features of a successful programme for preparing teachers to use cooperative learning methods in their classrooms? In seeking an answer to this question, many researchers and educators focus on cooperation as the primary concept
  1. (a) Cooperation among faculty members in university or college teacher education programmes to ensure consistency, continuity and a common set of goals for pre‐service teacher education. Some programmes have begun to emphasise the acquisition of competence in the use of cooperative learning methods.

  2. (b) Cooperation between universities and schools to enable novice and experienced teachers to practise cooperative learning in the classroom.

  3. (c) Cooperation among teachers in given schools to provide mutual support and assistance to maintain the long‐term use of cooperative learning.

Various programmes and projects reported in the relevant literature that have implemented these ideas are surveyed and discussed in this paper.  相似文献   

66.
The processes of talent detection and early development are critical in any sport programme. However, not much is known about the appropriate strategies to be implemented during these processes, and little scientific inquiry has been conducted in this area. The aim of this study was to identify variables of swimming, ball handling and physical ability, as well as game intelligence, which could assist in the selection process of young water-polo players. Twenty-four players aged 14–15 years underwent a battery of tests three times during a 2-year period, before selection to the junior national team. The tests included: freestyle swim for 50, 100, 200 and 400?m, 100-m breast-stroke, 100-m ‘butterfly’ (with breast-stroke leg motion), 50-m dribbling, throwing at the goal, throw for distance in the water, vertical ‘jump’ from the water, and evaluation of game intelligence by two coaches. A comparison of those players eventually selected to the team and those not selected demonstrated that, 2 years before selection, selected players were already superior on most of the swim tasks (with the exception of breast-stroke and 50-m freestyle), as well as dribbling and game intelligence. This superiority was maintained throughout the 2 years. Two-way tabulation revealed that, based on baseline scores, the prediction for 67% of the players was in agreement with the final selection to the junior national team. We recommend that fewer swim events be used in the process of selecting young water-polo players, and that greater emphasis should be placed on evaluation of game intelligence.  相似文献   
67.
ABSTRACT

While post-secondary school students with learning difficulties confront many challenges, there is little research on methods of support. In the current study, the ‘adapted course’ model was qualitatively examined from the perspective of both students and instructors. The main goal was to explore how students and instructors perceived the instruction in adapted courses. Five pre-service students with learning disabilities (LD) and/or attention-deficit hyperactivity disorder and three instructors were interviewed. Responses were analysed using subjective analysis, with central content categories identified based on student and instructor statements. Six main themes emerged: (1) small class size; (2) emotional support; (3) adjusted teaching methods; (4) independent practice exercises; (5) instruction by modelling; and (6) instructor characteristics. The current study can inform pedagogical principles on which a support model for post-secondary students with LD can be based. It provides analyses of the effectiveness of one support model and presents the perceptions of both faculty and students. Moreover, the study provides an opportunity to learn about potential components of effective teaching-learning, not only in the specific context of adapted courses, but in any supportive learning situation (e.g. tutoring) or course.  相似文献   
68.
Employing prosody skilfully, one of the cornerstones of fluent reading, is an indicator of text comprehension. Morphological knowledge has been shown to underlie lexical acquisition and to be related to reading development. The relationship between reading comprehension, prosodic reading and morphological knowledge was investigated in 51 Hebrew‐speaking fourth‐grade students aged 9–10. Participants were tested on comprehension of two stories and on appropriate prosodic reading of one of them. Their prosodic reading was compared with an agreed prosodic map compiled from experts' reading. Participants were also administered a battery of morphological tasks. All three domains, including almost all of their component parts, were strongly correlated. The multiple regression in steps showed that morphology and reading comprehension each contribute to prosodic reading, while morphology and prosody each contribute to reading comprehension. The connection between reading comprehension and prosodic reading is however moderated by good morphological skills.  相似文献   
69.
High school students’ difficulties in understanding osmosis   总被引:1,自引:0,他引:1  
Preconceptions and misconceptions of 500 secondary students in years 9‐12 regarding osmosis were studied through the use of five different kinds of instruments: prior learning inventory, self‐report knowledge inventory, true/false test, definitions and clinical interviews. Some of the major findings were: (1) The most frequent explanation offered to osmosis is ‘a desire or drive towards equalizing concentrations’. (2) Hardly any student uses the concept ‘water concentration’. (3) Most students fail to realize that in dynamic equilibrium water molecules keep moving. (4) Students have special difficulty in understanding osmotic relations in plants. (5) Many students have difficulty in grasping solute‐solvent and concentration‐quantity relations. (6) Students often perform laboratory experiments without really understanding the underlying principles. Practical and theoretical implications are discussed.  相似文献   
70.
This study deals with engineering education in the middle-school level. Its focus is instructors’ concerns in teaching design, as well as scaffolding strategies that can help teachers deal with these concerns. Through participatory action research, nine instructors engaged in a process of development and instruction of a curriculum about energy along with engineering design. A 50-h curriculum was piloted during a summer camp for 38 middle-school students. Data was collected through instructors’ materials: observation field notes, daily reflections and post-camp discussions. In addition, students’ artifacts and planning graphical models were collected in order to explore how instructors’ concerns were aligned with students’ learning. Findings indicate three main tensions that reflect instructors’ main concerns: how to provide sufficient scaffolding yet encourage creativity, how to scaffold hands-on experiences that promote mindful planning, and how to scaffold students’ modeling practices. Pedagogical strategies for teaching design that developed through this work are described, as well as the ways they address the National Research Council (A framework for K-12 science education: practices, crosscutting concepts, and core ideas. National Academies Press, Washington, DC, 2011) core ideas of engineering education and the International Technological Literacy standards (ITEA in Standards for technological literacy, 3rd edn. International Technology education Association, Reston, VA, 2007).  相似文献   
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