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11.
In science education, dissections of animals are an integral part of teaching, but they often evoke negative emotions. We aimed at reducing negative emotions (anxiety, negative affect [NA]) and increasing positive affect (PA) and self-efficacy by an experimental intervention using a predissection video to instruct students about fish dissection. We compared this treatment with another group that watched a life history video about the fish. The participants were 135 students studying to become biology teachers. Seventy received the treatment with the dissection video, and 65 viewed the life history video. We applied a pre/posttest treatment-comparison design and used the Positive and Negative Affect Schedule (PANAS), the State–Trait–Anxiety Inventory for State (STAI-S), and a self-efficacy measure three times: before the lesson (pretest), after the film treatment (posttest 1), and after the dissection (posttest 2). The dissection film group scored higher in PA, NA, and state anxiety (STAI-S) after the dissection video treatment and higher in self-efficacy after the dissection. The life history group showed no differences between the pretest and posttest 1. The dissection film has clear benefits—increasing PA and self-efficacy—that come at the cost of higher NA and higher STAI-S.  相似文献   
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The Web-at-Risk project is a digital preservation project funded by the Library of Congress as part of the National Digital Information Infrastructure and Preservation Program. The project is developing a Web archiving service to enable curators to build, store, and manage archived collections of Web-published materials captured largely from U.S. federal and state government agency Web sites. In 2005 the project’s 22 curators, as well as librarians and archivists working primarily in academic libraries (n = 43), university researchers (n = 7), and content providers (n = 7) participated in a study to identify their needs in relation to Web archiving. This paper summarizes the issues and challenges these groups face and discusses the need for collaborations among libraries and government entities for preserving Web-published materials.  相似文献   
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This study reports an intervention to initiate environmental learning and facilitate pro-environmental behaviour. The purpose was to examine the impact of ambient learning displays on energy consumption and conservation at the workplace, more specifically the evaluation of learning outcome and behaviour change. Using a quasi-experimental design, the empirical study was conducted among employees working at a university campus. For the experimental treatments, ambient learning display prototypes were varied on two design dimensions, namely representational fidelity and notification level. The results do not provide clear evidence that the design of the displays influences learning outcome or that the displays lead to pro-environmental behaviour change. Nevertheless, the sole deployment of the display prototypes eased the comprehension of the information provided and lowered the need for additional information. Thus, ambient learning displays provide a promising framework in the context of environmental learning and beyond.  相似文献   
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Four hundred and fifteen adolescents (134 German majority and 281 minority members) completed a questionnaire which measured attitudes towards acculturation, life satisfaction and intergroup relation variables. German majority members preferred integration followed by assimilation (according to Berry's taxonomy), while minority members had a clear preference for integration. Integration was more strongly associated with favourable intergroup relations and, in the case of minority members, life satisfaction, than the other acculturation orientations. Furthermore the study showed that discrepancies between own acculturation attitudes and perceived attitudes of the other group may influence life satisfaction and intergroup attitudes. Perceived acculturation preferences of the respondents’ parents were also examined. German majority adolescents perceived their parents’ attitudes as more favourable to exclusion than their own, and minority members perceived their parents’ attitudes as leaning more towards separation than their own. In the majority sample, these discrepancies were not related to any of the outcome variables, but in the minority sample they influenced life satisfaction, perceived quality of intergroup relations, and tolerance.  相似文献   
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Open-ended (OE) items are widely used to gather data on student performance in international achievement studies. However, several factors may threaten validity when using such items. This study examined Finnish coders’ opinions about threats to validity when coding responses to OE items in the PISA 2012 problem-solving test. A total of 6 discussions during 6 coder practice sessions (on 6 OE items) and an interview between 5 coders were audiorecorded and analyzed by means of content analysis, and 3 main threats to validity were found: (1) unclear and complex questions; (2) arbitrary and illogical coding rubrics; and (3) unclear and ambiguous responses. Suggestions are given as to how to respond to these threats in order to improve the validity of international achievement studies.  相似文献   
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The aim of this study is to explore conditioning factors influencing learning opportunities in food-related education taught from a perspective of sustainable development. Over the course of the eighth-grade school year, data were derived from field studies of two classes taught in Home and Consumer Studies with an exploratory case-study design. Data were analyzed using thematic and ideal-type analysis, resulting in four ideal-type portrayals: the Convinced, the Easygoing, the Unable, and the Skeptical, which characterize how pupils participate in and respond to sustainable food education in different ways. The characteristics of each of the four ideal types imply contextual frames that condition unequal learning opportunities in sustainable food education. By identifying, scrutinizing, and accommodating to existing conflicts and related structures, educational policy makers and practicing teachers can increase opportunities for pupils to develop informed reasoning, regardless of their ideal type characteristics.  相似文献   
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The German school system employs centrally organized performance assessments (some of which are called “VERA”) as a way of promoting lesson development. In recent years, several German federal states introduced a computer-based performance testing system which will replace the paper-pencil testing system in the future. Scores from computer-based testing are required to be equivalent to paper-pencil testing scores so that the new testing medium does not lead to disadvantages for students. Therefore, the current study aimed at investigating the size of the mode effect and the moderating impact of students’ gender, academic achievement and mainly spoken language in everyday life. In addition, the variance of the mode effect across tasks was investigated. The study was conducted in four German federal states in 2019 using a field experimental design. The test scores of 5140 eighth-graders from 165 schools in the subject German were analysed. The results of multi-level modelling revealed that students’ test scores in the computerized version of the VERA test were significantly lower than in the paper-pencil version. Students with a lower academic achievement were more disadvantaged by the VERA computerized test. The results were inconsistent regarding the interactions between testing mode and students’ gender and mainly spoken language in everyday life. The variance of the mode effect across tasks was high. Research into different subjects and in other federal states and countries under different testing conditions might yield further evidence about the generalizability of these results.

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Im Beitrag werden zun?chst die verschiedenen in der mathematikdidaktischen Diskussion zu mathematical literacy vertretenen Positionen referiert sowie die Umsetzung von mathematical literacy als erkenntnisleitende Bildungskonzeption in der internationalen PISA-Studie sowie die Orientierung der deutschen Erg?nzungsstudie an dem Konzept einer mathematischen Grundbildung reflektiert. In einem zweiten Teil wird der Frage nachgegangen, welche Anforderungen an eine Konzeption mathematischer Literalit?t zu stellen sind, die den Bedingungen einer mehrsprachigen Schülerschaft gerecht wird. An einem Beispiel aus der eigenen empirischen Forschung wird dabei die Notwendigkeit der Berücksichtigung sprachlicher Prozesse beim Mathematiklernen aufgezeigt. Anschlie?end werden auf dieser Basis überlegungen zu einer eigenen Auffassung mathematischer Literalit?t als Bildungsziel mathematischer Erziehung formuliert.  相似文献   
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