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21.
This paper characterizes and evaluates the student allocation in the Portuguese public higher education system. It describes the supply and demand sides of the system by looking at the numerus clausus across areas of study and institutions, institutions’ degree of diversity, and performance and adjustment indicators based on students’ revealed preferences. Performance indicators quantify the adequacy between demand and supply, across institutions and fields of study, and gauge the performance of public higher education institutions in the competition for candidates. Adjustment indicators allow us to predict the potential impact of changes in higher education regulations on student allocation and its stability. According to these indicators, such changes could result in an expansion for some institutions and fields of study, whereas other institutions might face a reduction.
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22.
Student mastery of rational number and proportional reasoning is a recognized challenge, yet supporting mastery is central within mathematics and science. This paper focuses on a 4-lesson teaching programme which was designed to foster mastery in the context of intensive quantities. Intensive quantities such as density, speed and temperature depend upon proportional relations, require rational number for their representation and are relevant to science. Two versions of the teaching programme were developed, one using ratio representation and the other using fractions. Implementation with 535 children aged 9–11 years revealed that both versions promoted mastery of fractions, whilst the ratio version also supported proportional reasoning. It is suggested that the ratio version provides useful foundations for teaching, even with children who, as with the present sample, have no previous experience of ratios themselves.  相似文献   
23.
The paper presents the complex problems of preparation of pedagogy students to work as teachers in the context of their readiness to use ICT in the didactic process. The complexity of this subject matter has been proved by the current, ongoing, discussion about the direction of the expected transformations of contemporary schools and the prospective teachers education system in the age of prevalent digitization. Considering the complexity of conditions, the main research problem has been formulated as follows: Conditions of what type affect the preparation of prospective teachers to use new media in learning and teaching process?. Thus, the empirical analysis conducted in the paper focuses on the following issues: the style of using new media by students, identification of students’ attitudes towards media, subjective (from the students’ point of view) assessment of how university level schools are prepared to shape modern media competences among their students and self-evaluation of media and IT competences in the group of prospective teachers. Czech and Polish students, despite being the so called digital natives, do not present homogeneous styles of using new media. They also reveal different attitudes toward applying digital solutions to the didactic process. Factors such as: low evaluation of one’s own competences or lack of evaluation in this area, lack of creative approach to the use of new media, lack of education in the area of new applications, lack of skills necessary to handle basic digital tools (e.g. interactive board, e-learning platforms) negatively affect, in most cases, the attitude toward the active use of ICT tools in future didactic work. On the basis of the gathered empirical data and inductive qualitative analysis a typology of students attitudes toward new media was developed. It consists of four categories: techno-optimist, techno-realist, techno-pessimist and techno-ignorant. The whole of analyses has the character of comparative research and involves two neighboring countries of the Visegrad Group: Poland (N?=?466) and Czech Republic (N?=?168).  相似文献   
24.
Using data from 24 countries, which participated in the 2006 Programme for International Student Assessment (PISA), we examine the relationship between parental science employment and students' career expectations. In contrast to prior PISA-based studies, we find that the link between parental employment and adolescent plans to work in science is non-trivial and merits attention. In this context, we consider three versions of the gender socialisation hypothesis. The strong variant posits that girls' plans are shaped solely by their mothers' career pathways while boys model their expectations exclusively on fathers’ occupations. The weaker version of this hypothesis expects children to be influenced more by the same-sex than by the opposite-sex parent. Finally, the third possibility is that, as egalitarian ideologies prevail, parents inspire adolescent occupational plans regardless of gender. These hypotheses are assessed separately for student career plans related to biology, agriculture and health (BAH) in contrast to computing, engineering and mathematics (CEM), because the involvement in these fields of science is known to be segregated by gender. Using two-level multinomial logit modelling, we find some support for the weak version of the gender socialisation hypothesis. Although within-family transfers of preferences for science careers vary considerably across countries, we note certain regularities. In many nations, relevant paternal employment enhances sons' interest in science careers regardless of their field. In contrast, maternal employment inspires daughters in fewer countries and this influence tends to be limited to careers in BAH. We discuss the possible implications of these findings for science educators.  相似文献   
25.
The aim of the present study was to compare the peak anterior–posterior (Fy) and medio–lateral (Fx) ground reaction forces (GRFs) of women performing stationary running at different intensities in aquatic and dry land environments. Fourteen young women performed the stationary running exercise at three cadences (first ventilatory threshold, second ventilatory threshold and maximum effort, as determined during exercise in water) in aquatic and dry land environments. Two-way repeated measures ANOVA was used to analyse the data (α?=?.05). As a result, significantly lower peak Fy anterior, Fy posterior, Fx medial and Fx lateral values were observed for the aquatic environment, except for the Fy posterior at the first ventilatory threshold. Significant differences were observed between cadences in the peak Fy anterior, Fy posterior, Fx medial and Fx lateral values, with higher values for the cadence corresponding to maximum effort compared to the first ventilatory threshold, except for the Fy posterior and Fx medial in the aquatic environment. The results indicate that the horizontal GRFs are reduced in the aquatic environment and depend on the intensity of stationary running exercise performance.  相似文献   
26.
我国图情档学科认为博物馆是文化信息数字资源整合的主体之一。博物馆中以其展品为代表的文化信息资源对满足公众多样化的文化需求、增强中华文化竞争力起着重要作用。本文借助Citespace分析软件,通过对作者、机构、关键词可视化图谱的绘制,识别出我国图情档学科下以博物馆为主题词的科研文献成果概况、科研机构分布及研究热点词与其研究发展趋势。经分析得知,该学科下以博物馆为主题的研究可以分为两个阶段:第一阶段(1996-2008年)主要是博物馆文献资源的开发与利用、博物馆与图书馆文献资源的开发与利用、博物馆古籍保护管理工作以及古籍文献等主题。第二阶段(2009-2019年)主要探讨三馆馆际合作的资源整合路径、数字资源整合理论模式与合作机制等的研究,并结合相关文献内容,深入探讨以博物馆为主题的研究重点,基于此,我国图情档学科应以博物馆中丰富多样的文化信息资源为视角,开展涵盖档案馆、图书馆、博物馆的全种类、全范围的全文化信息数字资源整合。最后,本文围绕数字资源整合这一具有影响力的研究热点,探讨如何从图情档学科的角度出发,有效地涵盖博物馆,构建以图书馆、档案馆、博物馆三馆为主体的数字资源整合模式与机制,建...  相似文献   
27.
Language disorders that affect children with autism spectrum disorder can bring significant damage to their overall development. Research shows that the best treatment practices for this population are those that start early, have active parental collaboration and are held in natural milieu. In Brazil, early intervention programs are typically held in clinical environments and rarely involve parents as intervention agents. With autism becoming a high-incidence disability, diagnosed early in life, it is paramount that alternative forms of treatment be introduced in the country. The general purpose of this study was to investigate the feasibility of using a parent-guided intervention model with Brazilian families. The participants included two mothers and their 3 year old sons, who were diagnosed with autism. Outcome measures included estimates of caregiver responsive language input and children’s communication turns evaluated during home interactions. The results indicated that both dyads increased their levels of responsiveness in, at least, one routine following treatment. Implications of the findings are discussed considering cultural variables.  相似文献   
28.
The effects of a parent‐implemented naturalistic intervention on the communication skills of a 4‐year‐old boy with autism using an alternative and augmentative communication (AAC) system were investigated. The child’s mother was taught to use 4 naturalistic teaching strategies that incorporated a picture communication system during 2 typical home routines. Generalisation probes to assess the caregiver’s use of the intervention techniques and generalisation of the child’s communication outcomes were conducted in 2 similar interactions. A multiple baseline design was used to evaluate the effects of the intervention. Data indicated an increase in the use of 2 caregiver–teaching strategies across two routines following treatment. No consistent changes were observed in the use of the other caregiver strategies across the routines. An increase in the child’s frequency of initiations and responses and the use of the communication system also were observed.  相似文献   
29.
The aim of this longitudinal study is to examine the contribution of morphological awareness to the prediction of reading and spelling in Greek. The target group (N = 404) consisted of children, aged 6–9 years at the start of the project, who learn literacy in Cyprus. Because there are no standardized measures of morphological awareness for Greek Cypriot children, morphological awareness measures were developed and validated. A concurrent analysis of the first wave of data collection showed that morphological awareness made a unique contribution to the prediction of reading and spelling in Greek. The longitudinal analyses showed that morphological awareness predicted performance in reading eight months later, even after partialling out grade level, verbal intelligence, phonological awareness and initial scores in reading and spelling. This study makes theoretical, empirical and practical educational contributions. It shows the long term and specific relation of morphological awareness with reading in Greek and establishes the plausibility of a causal link between morphological awareness and reading, which must be tested in further research using intervention methods. In practice, this study contributes valid measures for assessing morphological awareness in Greek as well as a new measure of spelling skill.  相似文献   
30.
In many countries entrance to Higher Education is determined by the performance of students in secondary school and/or the scores obtained in national exams. The relative weight of these two scores on the admission decision is a relevant policy topic, given its implication on who is admitted to university. The purpose of this paper is to investigate the relative predictive power of these two measures on the academic performance of students in Higher Education. It makes use of a dataset of Bachelor students from Portuguese Higher Education institutions with detailed information about their characteristics and past achievement results. The measure of academic achievement considered is the Bachelor's final average score. The main finding is that the scores given by teachers in secondary school are better predictors of subsequent performance than the access exam scores. The relevance of factors like working status, social support and gender vary with the reputation of the degree and the type of Higher Education institution, university versus polytechnic. A noteworthy result is that the added predictive contribution of parents' education is always negligible when past success measures are already taken into account.  相似文献   
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