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51.
Giulia Tasquier Francesca Pongiglione 《International Journal of Science Education》2013,35(13):1846-1868
ABSTRACTClimate change is one of the significant global challenges currently facing humanity. Even though its seriousness seems to be common knowledge among the public, the reaction of individuals to it has been slow and uncertain. Many studies assert that simply knowing about climate change is not enough to generate people’s behavioural response. They claim, indeed, that in some cases scientific literacy can even obstruct behavioural response instead. However, recent surveys show a rather poor understanding of climate dynamics and argue that lack of knowledge about causal relationships within climate dynamics can hinder behavioural response, since the individual is not able to understand his/her role as causal agent and therefore doesn’t know how to take proper action. This study starts from the hypothesis that scientific knowledge focused on clarifying climate dynamics can make people understand not only dynamics themselves, but also their interactive relationship with the environment. Teaching materials on climate change based on such considerations were designed and implemented in a course for secondary-school students with the aim of investigating whether this kind of knowledge had an influence on students’ willingness to adopt pro-environmental behaviours. Questionnaires were delivered for testing the effect of the teaching experience on knowledge and behaviour. 相似文献
52.
It is widely recognized that purely cognitive behavior is extremely rare in performing mathematical activity: other factors,
such as the affective ones, play a crucial role. In light of this observation, we present a reflection on the presence of
affective and cognitive factors in the process of proving. Proof is considered as a special case of problem solving and the
proving process is studied adopting a perspective according to which both affective and cognitive factors influence it. To
carry out our study, we set up a framework where theoretical tools coming from research on problem solving, proof and affect
are present. The study is performed within a university course in mathematics education, where students were given a statement
in elementary number theory to be proved and were asked to write down their proving process and the thoughts that accompanied
this process. We scrutinize the written protocols of two unsuccessful students, with the aim of disentangling the intertwining
between affect and cognition. In particular, we seize the moments in which beliefs about self and beliefs about mathematical
activity shape the performance of our students.
相似文献
Francesca MorselliEmail: |
53.
This paper describes the application of a scorecard, based on social network analysis, to monitor the evolution of knowledge flows. This scorecard helps organizations to identify new ways to optimize knowledge flows by combining communication media that match their working environments. Three case studies were conducted: one within an Italian Research Centre, and two within U.S.-based Research and Education Centres. The interactions of members of these business communities were observed by monitoring multiple communication media over time. This is a departure from the common practice of using only e-mail communications to describe social networks. The goal of this paper is to answer the following question: does e-mail alone represent an accurate approximation of the social network? The results suggest that a better approximation can be found by monitoring multiple media: e-mail, chat, telephone, social networking websites, and face-to-face interactions. 相似文献
54.
Kihyun Ryoo Kristin Bedell Amanda Swearingen 《Journal of Science Education and Technology》2018,27(6):508-522
Ensuring that all students, including English language learners (ELLs) who speak English as a second language, succeed in science is more challenging with a shift towards learning through language-intensive science practices suggested by the Next Generation Science Standards (NGSS). Interactive visualization technologies have the potential to support science learning for all students, including ELLs, by providing explicit representations of unobservable scientific systems. However, whether and how such technologies can be beneficial for these underserved students has not been sufficiently investigated. In this study, we examine the short-term and long-term effects of interactive visualizations in improving linguistically diverse eighth-grade students’ understanding of properties of matter and chemical reactions during inquiry instruction. The results show that after interacting with the visualizations, both ELLs and non-ELLs showed significant improvement in their understanding of the target concepts at the molecular level on both the immediate test and the delayed test (3 months after the study). In particular, aligned with the goals of the NGSS, all students, including ELLs, were able to demonstrate their understanding of how energy and matter are involved in chemistry through developing molecular models, critiquing models, and constructing scientific explanations. This study shows the potential benefits of using interactive visualizations during inquiry instruction as a resource to help all students, including ELLs who are traditionally underserved in mainstream classrooms, develop a more coherent understanding of abstract concepts of molecular processes during chemical phenomena. 相似文献
55.
Yaacov Petscher Stephanie Al Otaiba Jeanne Wanzek Brenna Rivas Francesca Jones 《Scientific Studies of Reading》2017,21(5):376-391
An emerging body of research has evaluated the role of growth mindset in educational achievement, yet little work has focused on the unique role of mindset to standardized reading outcomes. Our study presents 4 key outcomes in a sample of 195 fourth-grade students. First, we evaluated the dimensionality of general and reading-specific mindset and found that a global factor of growth mindset (GGM) existed along with specific factors of general and reading mindset. Second, GGM and reading mindset strongly predicted word reading and reading comprehension. Third, GGM and reading mindset uniquely predicted reading comprehension after controlling for basic word reading skills. Fourth, GGM was more strongly associated with reading comprehension for those individuals with weaker reading comprehension skills, whereas reading mindset was more strongly associated with reading comprehension for those with stronger reading comprehension skills. Our findings suggest the potential importance of assessing general and reading-specific mindset linked to reading. 相似文献
56.
Francesca Pazzaglia Cristina Toso Stefano Cacciamani 《British journal of educational technology : journal of the Council for Educational Technology》2008,39(1):110-124
Many models have hypothesized that multimedia comprehension requires the concurrent processing of verbal and visuospatial information by limited information processing systems. However, in spite of the emphasis devoted to the concurrent processing of verbal and visuospatial information, little research has so far investigated the specific role played by verbal and visuospatial abilities in multimedia comprehension. The present paper aims to study the specific involvement of verbal and visuospatial working memory in multimedia learning. Ninety‐two students (39 boys and 53 girls) from a middle school in a small city in the northeast of Italy, were asked to learn new information on the physical and social geography of Germany from a hypermedium. Participants were also required to perform a reading comprehension test, two short‐term memory tasks, and two working memory tasks, which assessed either verbal or visuospatial memory. The results support the hypothesis that both verbal and visuospatial working memory sub‐components play a role in hypermedium processing, but with specific and distinct functions: the performance in the verbal working memory task was able to predict the semantic knowledge children can derive from hypermedia learning. In contrast, visuospatial working memory seemed to have lower connections to the semantic knowledge children derived from a hypermedia document, whereas its role emerged in the ability to construct a representation of the document structure. 相似文献
57.
Erica Aquilia Germana Barone Vincenza Crupi Francesca Longo Domenico Majolino Paolo Mazzoleni Valentina Venuti 《Journal of Cultural Heritage》2012,13(2):229-233
In the present work, an analytical characterization of painted plaster samples coming from ancient buildings dated back to 2nd cent. B.C., located in Licata (Sicily, Southern Italy), has been carried out. The investigation has been performed through different spectroscopic techniques: X-ray fluorescence (XRF) using an handheld energy-dispersive XRF analyzer, scanning electron microscopy equipped with an Energy Dispersive Spectrometry microanalysis detector (SEM-EDS) and Fourier transform infrared absorbance spectroscopy (FT-IR). The main goal is to identify the plaster and pigments material. In particular, the XRF investigation of surfaces is the first step for a preliminary elemental characterization. Then, through SEM-EDS measurements, a quantitative analysis of the chemical composition of the plaster and the pigmenting agents along with eventual components related to deterioration processes has been obtained. Finally, FT-IR absorbance spectra have proven to be a useful tool to investigate the molecular nature of the used materials. 相似文献
58.
Capranica L Minganti C Billat V Hanghoj S Piacentini MF Cumps E Meeusen R 《Research quarterly for exercise and sport》2005,76(2):212-223
In general, women are well represented among sport participants and sport audiences but not in the media. Data show that women's sport is greatly underreported and trivialized in newspapers. Therefore, the purpose of this study was to measure press coverage during the 2000 Summer Olympic Games in the largest circulating Belgian, Danish, French, and Italian daily newspapers by: (a) number of articles, (b) size, (c) page placement, (d) accompanyingphotographs, and (e) photograph size. For each sport covered, the athletes' nationality and the gender were recorded. Compared to the 1996 Atlanta Games, there was an increase of 326 female athletes (+4 %), and women competed in 25 sports and 132 events (44 %) of the total 300 events. Although only 29.3 % of the articles and 38 % of photos were on women 's sports, the newspaper coverage was similar to the distribution of participating athletes and events. No significant gender differences were found with respect to article size, page placement, accompanying photographs, or photograph size. The most covered sport was track and field, independent of national achievement. Other sports received different coverage in relation to national expectations, achievement, and participation. In conclusion, there was a trend to overcome gender inequities in media coverage during the Olympic Games, which may be due to the International Olympic Committee's actions to promote increased participation of women in sport activities and to publicize their achievements. Moreover, during the Olympic Games, a nationalistic fervor might affect the equality of gender coverage. 相似文献
59.
The study investigates the relationship between memory updating and arithmetic word problem solving. Two groups of 35 fourth graders with high and low memory-updating abilities were selected from a sample of 89 children on the basis of an updating task used by Palladino et al. [Memory & Cognition 29 (2002) 344]. The two groups were required to solve a set of arithmetic word problems and to recall relevant information from another set of problems. Several span tasks, a computation test, and the PMA verbal subtest were also administered. The group with a high memory-updating ability performed better in problem solving, recalling text problems, and in the computation test. The two groups did not differ in the PMA verbal subtest or in the digit and word spans. Results were interpreted as supporting the importance of updating ability in problem solving and of the substantial independence between memory updating and problem solving on one hand and verbal intelligence on the other. 相似文献
60.
Exploration of experimental design and statistical methods using the stick‐on‐the‐wall spaghetti rule 下载免费PDF全文
Simone Montangero Francesca Vittone Sally Olderbak Oliver Wilhelm 《Teaching Statistics》2018,40(2):40-45
We present a versatile scenario to introduce students to statistics: the test that spaghetti sticks only if sufficiently done. The statistical analyses can be performed at different levels of complexity and formal correctness, adapting it to the students' age. 相似文献