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91.
Textbooks in applied mathematics often use graphs to explain the meaning of formulae, even though their benefit is still not fully explored. To test processes underlying this assumed multimedia effect we collected performance scores, eye movements, and think-aloud protocols from students solving problems in vector calculus with and without graphs. Results showed no overall multimedia effect, but instead an effect to confirm statements that were accompanied by graphs, irrespective of whether these statements were true or false. Eye movement and verbal data shed light on this surprising finding. Students looked proportionally less at the text and the problem statement when a graph was present. Moreover, they experienced more mental effort with the graph, as indicated by more silent pauses in thinking aloud. Hence, students actively processed the graphs. This, however, was not sufficient. Further analysis revealed that the more students looked at the statement, the better they performed. Thus, in the multimedia condition the graph drew students’ attention and cognitive capacities away from focusing on the statement. A good alternative strategy in the multimedia condition was to frequently look between graph and problem statement, and thus to integrate their information. In conclusion, graphs influence where students look and what they process, and may even mislead them into believing accompanying information. Thus, teachers and textbook designers should be very critical on when to use graphs and carefully consider how the graphs are integrated with other parts of the problem. 相似文献
92.
Maria Olson Andreas Fejes Magnus Dahlstedt Katherine Nicoll 《British Journal of Sociology of Education》2015,36(7):1036-1053
This paper explores citizenship discourses empirically through upper secondary school student’s understandings, as these emerge in and through their everyday experiences. Drawing on a post-structuralist theorisation inspired by the work of Michel Foucault, a discourse analysis of data from interviews with students is carried out. This analysis characterises three discourses of the active citizen – a knowledgeable citizen, a responsive and holistic citizen, and a self-responsible ‘free’ citizen. The analysis raises questions over the implications of contemporary efforts for the intensification of standardising forces through citizenship education. It also stresses the notion that engaging students actively does always also involve discourses other than those stressed through the curriculum, which nurtures the body and nerve of democracy itself. 相似文献
93.
Magnus Österholm 《Educational Studies in Mathematics》2006,63(3):325-346
This study compares reading comprehension of three different texts: two mathematical texts and one historical text. The two
mathematical texts both present basic concepts of group theory, but one does it using mathematical symbols and the other only
uses natural language. A total of 95 upper secondary and university students read one of the mathematical texts and the historical
text. Before reading the texts, a test of prior knowledge for both mathematics and history was given and after reading each
text, a test of reading comprehension was given. The results reveal a similarity in reading comprehension between the mathematical
text without symbols and the historical text, and also a difference in reading comprehension between the two mathematical
texts. This result suggests that mathematics in itself is not the most dominant aspect affecting the reading comprehension
process, but the use of symbols in the text is a more relevant factor. Although the university students had studied more mathematics
courses than the upper secondary students, there was only a small and insignificant difference between these groups regarding
reading comprehension of the mathematical text with symbols. This finding suggests that there is a need for more explicit
teaching of reading comprehension for texts including symbols. 相似文献
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96.
Local research units, this article argues, play a very important role for the scientific field they belong to, for example by mobilizing financial support, offering job opportunities, attracting talented recruits, and providing adequate training. Little is known, however, about such units, at least in the fields under study here, i.e., studies of innovation, entrepreneurship and related phenomena. This article focuses - with the help of a survey of 136 research units worldwide supplemented by a number of case-studies - on the factors that influence the extent to which local mobilization efforts succeed. The research shows that universities provide the most fertile grounds for such research units, and that external support and support from the leadership of the university are important factors behind their establishment. In the longer term, however, attracting core (basic) finance is essential for the unit's ability to maintain cognitive control of its research program. Units that develop their own Master and PhD programs appear more likely than others to achieve these aims. 相似文献
97.
The aim of this study is to contribute to an increased understanding of the flipped classroom movement. A total of 7 teachers working in school years 4–9 and who both actively flipped their classrooms and had been early adopters in this movement were interviewed. Two research questions were posed: “What characterizes flipped classroom instruction according to the teachers?” and “What objectives do the flipped classroom meet according to the teachers?” Regarding the first research question, a characteristic of a flipped classroom was “the flip,” a task to be accomplished outside the classroom before class. In relation to the second research question we found three objectives: Student activity in class; Educational change; Being part of a digital learning community. 相似文献
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99.
We use data from the Texas Schools Microdata Panel (TSMP) to examine the extent to which dropouts use the GED as a route to postsecondary education. Lacking suitable instruments that would allow us to directly address potential biases in estimating the “GED path” to postsecondary education, our approach is to base estimates on a set of academically “at risk” students who are very similar in the 8th grade. We observe that the eventual high school graduates in this group have much better postsecondary education outcomes than do the similar at-risk 8th graders who drop out and obtain a GED. We discuss potential explanations for the observed differences in the postsecondary education outcomes of the two groups. 相似文献
100.
E. S. Tidningarnas Telegrambyrå Mats Knutson Jacob Sundberg Anki Gundhäll Professor Lars Gustafsson Alan Dershowitz Svante Nycander Bengt Johansson Magnus Eriksson Lotta Gustavson Marianne Gunnarsson Kristina Vallström Monique Wadsted Mary Ann Glendon Professor Gerhard Radnitzky Jescheck Anders Victorin Johan åsard Lars Isaksson 《Minerva》1991,29(3):321-385