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211.
In this study, an experimental design was utilized to test, first, the effect of a violent game versus a no game control on physical and verbal aggression and retaliatory aggression against a confederate. In addition, the effects of two internal video game manipulations were explored. Overall, those in the violent game condition were more verbally and physically aggressive than those in the no game condition. In terms of internal game features, third-person play with the blood on, especially when combined with aggressive cognitions and to some extent, hostile affect, encouraged more aggressive outcomes. 相似文献
212.
Marina Stock Mclsaac Mary Lou Mosley Naomi Story 《Educational technology research and development : ETR & D》1984,32(3):169-179
An examination of underlying visual dimensions commonly perceived in photographs was conducted using multidimensional scaling
techniques. Fifteen male and female university graduate students individually examined 34 photographs chosen to represent
a broad range of visual topics. Similarity judgments between photographs were used for multidimensional scaling, while subject
interview data were used to describe meaningful visual concepts. Results indicate that pictures were grouped in clusters along
three observable dimensions. Life, nature, and culture emerged as the dimensions of primary importance to viewers. This suggests
the existence of universal meaning systems in visuals for communicating denotative and connotative meaning and presents experimental
variables for future hypothesis testing.
We gratefully acknowledge David Lancy’s inspiration and Ed Greenberg’s significant contribution to this work. 相似文献
213.
Prior research has demonstrated a male advantage in spatial skills and science achievement. The present research integrated these findings by testing the potential role of spatial skills in gender differences in the science performance of eighth‐grade students (13–15 years old). In 2 (N = 113), the findings showed that mental rotation ability mediated gender differences in physical science and technology/engineering test scores. In 3 (N = 73,245), science performance was examined in a state population of eighth‐grade students. As in 2 , the results revealed larger gender differences on items that showed higher correlations with mental rotation. These findings underscore the importance of considering spatial training interventions aimed at reducing gender differences in the science performance of school‐aged children. 相似文献
214.
Marina Tavčar Krajnc 《International Studies in Sociology of Education》2013,23(2):121-137
This article examines the introduction of the final examination as an external national system of assessment of students in the transition from secondary school to university education. Since 1991 Slovenia has followed foreign models, the British one in particular; however, it has also considered its own traditional system of education. Students take the final examination (the matura) in three compulsory and two elective subjects; of which sociology can be one. A case study considering this subject demonstrates how external assessment can be fine tuned using internally supervised and assessed project work, in which seminar essays are produced. This article conducts a qualitative and quantitative analysis of the essays and structured questions forming the written examination; the same procedure is applied in the case of seminar essays. Also included are the opinions and experiences of students regarding their preparations for the final examination and their work in the seminars; the students’ feedback is decidedly positive. So far, the external and the internal results have shown little correlation, a fact that points to certain problems in the final examination assessment system. The positive results in sociology, considered in this contribution, suggest that it would be worthwhile applying similar assessment strategies in other subjects. It is, however, impossible to provide a straightforward answer to the question of a positive impact of the final examination on the desired improvement in the quality of the education process. 相似文献
215.
In subjectively assessed artistic sports, judges sometimes collude. To avoid this, Federations adopt various strategies in their regulations. However, it is evident that these methods are often not sufficient to overcome collusions completely. The problem is especially difficult in cases where the judging panel consists of sub-commissions that deal with particular aspects of each performance and the scores of each sub-commission are summarized as mean values, which, in turn, are combined into a final mark. Therefore, the formulation of anti-collusion indices would be useful to assess judges and take account of such scores, rejecting the less reliable ones. An anti-collusion index and related average, recently introduced, can be applied in fields other than sports. This article presents some useful considerations for the application of such instruments to the field of sport. 相似文献
216.
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218.
This paper presents a systematic analysis of twenty four performance measures used in the complete spectrum of Machine Learning classification tasks, i.e., binary, multi-class, multi-labelled, and hierarchical. For each classification task, the study relates a set of changes in a confusion matrix to specific characteristics of data. Then the analysis concentrates on the type of changes to a confusion matrix that do not change a measure, therefore, preserve a classifier’s evaluation (measure invariance). The result is the measure invariance taxonomy with respect to all relevant label distribution changes in a classification problem. This formal analysis is supported by examples of applications where invariance properties of measures lead to a more reliable evaluation of classifiers. Text classification supplements the discussion with several case studies. 相似文献
219.
The phenomenographic ‘approach to learning’ literature holds that students’ approaches to learning can change depending on the learning context. This implies that, by modifying the learning context, teachers can change the way students approach learning, and this can ultimately lead to a change in learning outcomes. The study presented here examines one effort to modify a science, technology, engineering, and mathematics (STEM) learning context and the approaches to learning taken by students experiencing this environment. Using a qualitative, phenomenographic approach, we interviewed 45 students in a STEM peer‐led workshop programme at a large US research university. Similar to previous approach‐to‐learning research, the study identified three approaches students took to learning in the peer‐led programme, in which they focused on simply making it through the course, engaging more meaningfully with the material, and gaining better control over their own learning. 相似文献
220.
The purpose of this study was to investigate the differences between identified gifted adolescents and adolescents not identified as gifted in terms of social acceptance and self-concept (peer relations, academic, and general). In addition, we aimed to investigate the differences between two groups of students identified according to different identification criteria (i.e. intelligence test and teacher assessment), and whether the relationship between students’ giftedness and the indicators of their social adjustment was moderated by gender. A total of 404 Slovenian elementary school students (191 males; 47%, 213 females; 53%) participated in the study; among them 85 (21%) were identified as gifted. No significant differences were found between gifted and non-gifted students in positive sociometric nominations and social preference; gifted students received less negative nominations and had lower social impact, but were assessed as more socially accepted by their teachers. Gifted students reported higher academic and general but not peer relations self-concept. No differences in social acceptance and self-concept were found between the groups of gifted students identified with regard to different identification criteria. In addition, we found significant interaction effects between gender and giftedness for peer relations self-concept. The results indicate the importance of investigating individual differences among gifted students in future studies. 相似文献