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In this article, we address the choice of suitable instructional units that might serve as the basis for cross-cultural analyses of classroom practice. Our argument draws on analyses undertaken as part of the Learner's Perspective Study (LPS). The database comprised a three-camera video record of sequences of 10 consecutive lessons in each classroom, supplemented by post-lesson video-stimulated interviews with teachers and students: a total of over 180 videotaped lessons, over 50 teacher interviews and almost 400 student interviews. The results of these analyses challenge the suitability of the lesson as the unit of comparative analysis. In particular, the location of the lesson in the topic sequence is seen to be a key influence on the lesson's structure, critically affecting the teacher's deployment of the constituent activities that we have called ‘lesson events.’ The lesson event is proposed as an alternative unit of international comparative analysis of classroom practice.  相似文献   
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This article describes a new type of team training that involves undergraduate students of medicine, students from the Aalto University (industrial engineering and management, architecture, information networks, collaborative and industrial design and bioinformation technology) and specialized home care nurses. During the course, the students learned interdisciplinary teamwork and created innovations in the care of older people. The 18 participants formed six microteams (three persons in each team: one specialized nurse, one medical student and one from Aalto University). The course consisted of two seminars and 3 full days of home visits to older people’s homes. Participants were encouraged to make one innovation in each home visit that would improve the older person’s well-being or streamline the processes of home care. During the course, the participants promptly formed tight teams. They valued the know-how of the other team members and learned openly from each other. They also created a number of practical innovations in home care which they presented to executives of older people’s care in a final seminar. The course received very good feedback from the students.

This course is an encouraging example of how gerontological interdisciplinary team training may be successfully applied. The article describes both the learning outcomes and the innovations the students produced during their home visits. It also discusses the learning theories behind effective interdisciplinary team learning.  相似文献   

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The aims of this study were to examine the release speed of the ball in maximal instep kicking with the preferred and the non-preferred leg and to relate ball speed to biomechanical differences observed during the kicking action. Seven skilled soccer players performed maximal speed place kicks with the preferred and the nonpreferred leg; their movements were filmed at 400 Hz. The inter-segmental kinematics and kinetics were derived. A coefficient of restitution between the foot and the ball was calculated and rate of force development in the hip flexors and the knee extensors was measured using a Kin-Com dynamometer. Higher ball speeds were achieved with the preferred leg as a result of the higher foot speed and coefficient of restitution at the time of impact compared with the non-preferred leg. These higher foot speeds were caused by a greater amount of work on the shank originating from the angular velocity of the thigh. No differences were found in muscle moments or rate of force development. We conclude that the difference in maximal ball speed between the preferred and the non-preferred leg is caused by a better inter-segmental motion pattern and a transfer of velocity from the foot to the ball when kicking with the preferred leg.  相似文献   
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Abstract

Maximum oxygen uptake ([Vdot]O2PEAK) is generally considered to be the best single marker for aerobic fitness. While a positive relationship between daily physical activity and aerobic fitness has been established in adults, the relationship appears less clear in children and adolescents. The purpose of this paper is to summarise recently published data on the relationship between daily physical activity, as measured by accelerometers, and [Vdot]O2PEAK in children and adolescents. A PubMed search was performed on 29 October 2010 to identify relevant articles. Studies were considered relevant if they included measurement of daily physical activity by accelerometry and related to a [Vdot]O2PEAK either measured directly at a maximal exercise test or estimated from maximal power output. A total of nine studies were identified, with a total number of 6116 children and adolescents investigated. Most studies reported a low-to-moderate relationship (r = 0.10–0.45) between objectively measured daily physical activity and [Vdot]O2PEAK. No conclusive evidence exists that physical activity of higher intensities are more closely related to [Vdot]O2PEAK, than lower intensities.  相似文献   
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Abstract

Thirty-three college men doing the toe-touch test were used as subjects to ascertain the relative contribution of the back and hamstring muscles to hip joint flexibility. The subjects, performing six tests over a 5-week period, were photographed during each of their tests. Anthropometric measurements were taken prior to testing to determine if there was any relationship to flexibility. Making use of concentric circles and marking reference points on the subject prior to testing, it was possible to ascertain the curvature of the back, the angle of straight back flexibility, and the angle of bent back flexibility.

Results indicate that the extensibility of the hamstring muscles appeared to be one of the main contributing factors to hip joint flexion, and since the warm-up did not affect the flexibility of the back, one might conclude that the back made no increased contribution to hip joint flexion, as measured in this study. There was no significant relationship to the angle of bent back flexibility.  相似文献   
58.
Abstract

The present study tested whether there were significant sport competition anxiety differences among sex-typed, androgynous, and cross sex-typed subjects and whether these differences were consistent with gender schema theory (Bem, 1981b).

Approximately 700 subjects were administered the Bem Sex-Role Inventory (BSRI) and, using two methods of scoring, 216 subjects were selected because of being either sex-typed (masculine males, feminine females), cross sex-typed (masculine females, feminine males) or androgynous (males and females who have strong masculine and feminine dimensions). Each subject was tested for competition anxiety using the Sport Competition Anxiety Test (SCAT). A one-way ANOVA of SCAT scores by group was significant, F(5,210) = 6.52, p < .001. Post-hoc analysis revealed that feminine females had significantly more competitive trait anxiety than all other groups and androgynous females were more anxious than masculine males (p < .05). The results are discussed in terms of gender schema theory.  相似文献   
59.
As one of the world's largest and most diverse countries, Indonesia faces an enormous challenge as it seeks to upgrade the skills and knowledge of its widespread primary teacher workforce. This challenge is even more acute in remote rural areas, where practising teachers require specialized training to work in classrooms with children of different ages and grades. Yet, due to their remote locations, these teachers have little access to training opportunities, and teacher educators have few opportunities to assess their needs. To explore training needs and instructional strategies employed by rural teachers, we conducted a case study of nine rural schools in the district of Bogor, West Java. We interviewed headmasters and teachers in these schools, instructors at a major Indonesian university, and a district official. We found that while rural teachers generally consider their training to be helpful, they receive little guidance to help them manage and teach large multigrade classes. As a result, pedagogical practices and perspectives vary across nine schools in the same rural district. At the same time, a growing number of “contract teachers” in these schools has reduced the number of multigrade classrooms while increasing the need for training of novice teachers in rural schools.  相似文献   
60.
This paper addresses the development in children’s and adults’ awareness of the benefits of writing through the analysis of change in notetaking while engaged in scientific inquiry over 10 weeks. Participants were given a notebook that they could choose to use. Our results indicate consistent differences between the performance of adults versus children and also across time. First, there were clear differences in the number of participants who chose to take notes. Second, not only did adults write more notes than children, but also the adults’ mean number of notes slightly increased over time, whereas children’s notes actually decreased in frequency. Third, children and adults differed in the types of notes they took. These results are interpreted in terms of participants’ awareness of what needs to be noted in a scientific task and why it needs to be noted, and they suggest implications for educational practice. First, because learners often have inaccurate representations of the task demands and their own future state of knowledge, they do not perceive the utility of notetaking. Second, because of these misperceptions, learners do not refer back to their notes and thereby miss feedback that would spur the refinement of their metacognitive (particularly metastrategic) knowledge and strategy use. Educators need to design opportunities for students to engage in activities that increase metacognitive knowledge of their own cognitive abilities and the demands of the task.  相似文献   
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