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51.
Carla Gerhard Andreas G. Klein Karin Schermelleh-Engel Helfried Moosbrugger Jana Gäde Holger Brandt 《Structural equation modeling》2013,20(2):276-287
This article investigates likelihood-based difference statistics for testing nonlinear effects in structural equation modeling using the latent moderated structural equations (LMS) approach. In addition to the standard difference statistic TD, 2 robust statistics have been developed in the literature to ensure valid results under the conditions of nonnormality or small sample sizes: the robust TDR and the “strictly positive” TDRP. These robust statistics have not been examined in combination with LMS yet. In 2 Monte Carlo studies we investigate the performance of these methods for testing quadratic or interaction effects subject to different sources of nonnormality, nonnormality due to the nonlinear terms, and nonnormality due to the distribution of the predictor variables. The results indicate that TD is preferable to both TDR and TDRP. Under the condition of strong nonlinear effects and nonnormal predictors, TDR often produced negative differences and TDRP showed no desirable power. 相似文献
52.
Holger Gaertner Sebastian Wurster Hans Anand Pant 《School Effectiveness & School Improvement》2013,24(4):489-508
This study uses a school-level longitudinal control-group design to examine how teachers and principals of inspected versus uninspected schools perceive school improvement at their schools. During the phasing in of school inspections in the states of Berlin and Brandenburg (Germany), both inspected and uninspected schools were surveyed with respect to school improvement activities over a 1-year period. The main finding is that principals’ and teachers’ perceptions of school quality were highly stable, irrespective of the introduction of school inspections. The results show school inspections had a comparatively low impact on the aspects of school quality measured here. 相似文献
53.
The aim of this research project was to determine the volume and structure of the sport-related consumption (based on participation and on interest) of private households in Germany in the year 2010 in a differentiated and extensive way. A representative computer-assisted telephone interview (CATI) survey with n?=?7,031 was implemented, followed by a computer-assisted web interview (CAWI) survey with n?=?12,365. This way, data was gathered on the number of people spending money on sport and the respective amounts spent, differentiating between 48 sport-related categories of consumption. The results show that—in the realistic scenario—a total sum of 138.6 bn euros were spent, of which 112.6 bn euros were caused by participation and the remaining 26 bn euros alone by the interest in sport. The most relevant categories of participation-based consumption were transportation costs (33.7 bn euros; 30?% of the total), sport-related vacation and training camps (22.4 bn euros; 19.9?%) and shoes and clothing (15.3 bn euros; 13.3?%). The most relevant categories of interest-based sport consumption are entrance fees/tickets (10.4 bn euros; 40?% of the total), catering and accommodation (5.2 bn euros; 20.1?%) and media/information technology/pay TV (4 bn euros; 15.5?%). 相似文献
54.
Ulrike Hochpöchler Wolfgang Schnotz Thorsten Rasch Mark Ullrich Holger Horz Nele McElvany Jürgen Baumert 《European Journal of Psychology of Education - EJPE》2013,28(4):1105-1126
When students read for learning, they frequently are required to integrate text and graphics information into coherent knowledge structures. The following study aimed at analyzing how students deal with texts and how they deal with graphics when they try to integrate the two sources of information. Furthermore, the study investigated differences between students from different school types and grades. Forty students from grades 5 and 8 from higher track and lower track of the German school system were asked to process and integrate texts and graphics in order to answer items from different levels of a text–picture integration taxonomy. Students’ eye movements were recorded and analyzed. Results suggest fundamentally different functions of text and graphics, which are associated with different processing strategies. Texts are more likely to be used according to a coherence-formation strategy, whereas graphics are more likely to be used on demand as visual cognitive tools according to an information-selection strategy. Students from different tracks of schooling revealed different adaptivity with regard to the requirements of combining text and graphic information. 相似文献
55.
Holger Busch Jan Hofer Athanasios Chasiotis Domingo Campos 《European Journal of Psychology of Education - EJPE》2013,28(2):239-254
Human behavior is directed by an implicit and an explicit motivational system. The intrinsic form of the implicit achievement motive has been demonstrated to predict the experience of flow. Thus, this achievement flow motive can be considered an integral component of the autotelic personality, posited in Flow Theory as dispositional difference in the propensity to experience flow. As implicit motivation predicts long-term behavioral trends and flow predicts quality of performance, the achievement flow motive should be predictive of a long-term goal pursuit such as educational attainment. This hypothesis is tested cross-culturally to shed some light on the universality of flow: Participants from Cameroon, Costa Rica, and Germany were asked about the level of education they attained. To assess their achievement flow motive, the Operant Motive Test was employed. After measurement equivalence was established, analyses revealed that, across all three cultures, the achievement flow motive explained variance in educational attainment independent of achievement values as measured by a scale of the Schwartz Value Survey. Consequently, as would be expected of an element of the autotelic personality, the achievement flow motive predicts long-term academic success. 相似文献
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Evolving Institutional Approaches to Subsidizing End User Access to Research Databases: A Case Study
Joseph A. Busch 《Archives and Museum Informatics》1997,11(1):39-46
This paper reviews work of the Getty Art History Information Program (AHIP, recently renamed the Getty Information Institute) over the past decade to subsidize end user on-line access to scholarly research databases. A brief history of AHIP's work in the area is followed by a summary of a study of subsidized access to Dialog databases by Getty Center resident scholars which was reported in a series of papers by Marcia Bates, professor of Library Science at the University of California, Los Angeles. This study provided a touchstone for an assessment of the relative merits and opportunities associated with the various contractual arrangements and incentive strategies employed by AHIP with vendors such as Dialog, consortia such as the Research Libraries Group, and a CD-ROM publication program. The effectiveness of each of these methods in reaching the user is compared to print publications and the experimental offer of access to some of the AHIP databases over the World Wide Web. 相似文献
60.
Andrea Mühlenweg Dorothea Blomeyer Holger Stichnoth Manfred Laucht 《Economics of Education Review》2012,31(3):68-76
We identify effects of age at school entry (ASE) on the development of child temperament. Our analysis is based on psychometric measures from a longitudinal cohort study of children in the Rhine-Neckar region in central Germany. In children with a higher ASE due to a birthday late in the year, we find more favorable outcomes with respect to several temperamental dimensions: these children are more persistent and less often hyperactive. The findings are robust if we control for the respective temperamental dimension before entering school. We also show that the ASE effect on persistence is stable over time by comparing the children at age eight and age eleven, after the children have entered Germany's segregated secondary-school tracks. At age eleven, we additionally find significant ASE effects on adaptability to change. Overall, the results point to a high degree of malleability in the considered non-cognitive skills after school entrance. By contrast, we do not find a significant effect of ASE on cognitive skills as measured by IQ. 相似文献