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411.
Science & Education - Curiosity is a wonder of the human mind. It goes to the heart of modernity, as a driving force for learning, novel insights, and innovation, both for individuals and... 相似文献
412.
Since the 1990s, researchers have increasingly drawn attention to the multiplicity of representations used in science. This
issue of RISE advances this line of research by placing such representations at the centre of science teaching and learning. The authors
show that representations do not simply transmit scientific information; they are integral to reasoning about scientific phenomena.
This focus on thinking with representations mediates between well-resolved representations and formal reasoning of disciplinary
science, and the capacity-limited, perceptually-driven nature of human cognition. The teaching practices described here build
on three key principles: Each representation is interpreted through others; natural language is a sign system that is used
to interpret a variety of other kinds of representations; and this chain of signs or representations is ultimately grounded
in bodily experiences of perception and action. In these papers, the researchers provide examples and analysis of teachers
scaffolding students in using representations to construct new knowledge, and in constructing new representations to express
and develop their knowledge. The result is a new delineation of the power and the challenges of teaching science with multiple
representations. 相似文献
413.
Deliberate practice—meaning drill‐like practice under the direction of a coach—is key to developing expertise in sports and music. But working professionals and businesspeople typically have no time for practice. We propose deliberate performance as a type of practice that professionals and businesspeople can pursue while they work as a way to accelerate their progression to becoming experts. Four deliberate performance exercises are described: estimation, experimentation, extrapolation, and explanation. 相似文献
414.
Zuzana Svobodova Mohamad Reza Mohamadi Barbora Jankovicova Hermann Esselmann Romain Verpillot Markus Otto Myriam Taverna Jens Wiltfang Jean-Louis Viovy Zuzana Bilkova 《Biomicrofluidics》2012,6(2):024126-024126-12
Determination of amyloid β (Aβ) isoforms and in particular the proportion of the Aβ 1-42 isoform in cerebrospinal fluid (CSF) of patients suspected of Alzheimer’s disease might help in early diagnosis and treatment of that illness. Due to the low concentration of Aβ peptides in biological fluids, a preconcentration step prior to the detection step is often necessary. This study utilized on-chip immunoprecipitation, known as micro-immunoprecipitation (μIP). The technique uses an immunosorbent (IS) consisting of magnetic beads coated with specific anti-Aβ antibodies organized into an affinity microcolumn by a magnetic field. Our goal was to thoroughly describe the critical steps in developing the IS, such as selecting the proper beads and anti-Aβ antibodies, as well as optimizing the immobilization technique and μIP protocol. The latter includes selecting optimal elution conditions. Furthermore, we demonstrate the efficiency of anti-Aβ IS for μIP and specific capture of 5 Aβ peptides under optimized conditions using various subsequent analytical methods, including matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS), capillary electrophoresis, microchip electrophoresis, and immunoblotting. Synthetic Aβ peptides samples prepared in buffer and spiked in human CSF were analyzed. Finally, on-chip immunoprecipitation of Aβ peptides in human CSF sample was performed. 相似文献
415.
Marco Hirnstein Ulrike Bayer Markus Hausmann 《Learning and individual differences》2009,19(2):225-228
The present study investigated whether the marked sex difference in the original mental rotation test (MRT) is simply a result of sex differences in response strategies. Thirty-four participants (17 males, 17 females) completed the revised Vandenberg and Kuse MRT [Peters, M., Laeng, B., Latham, K., Jackson, M., Zaiyouna, R., & Richardson, C. (1995). A redrawn Vandenberg & Kuse Mental Rotations Tests: Different versions and factors that affect performance. Brain and Cognition, 28, 39–58.] and a modified MRT. In the modified version, the number of matching figures varied from zero to four, so that participants had to match every single figure to the target, impeding leaps. Both men and women showed reduced performance in the modified version. However, men were clearly more affected than women. Although sex differences in the modified MRT were somewhat reduced, men still outperformed women (original MRT: d = .95, modified MRT: d = .76). The findings suggest that men rely more on a leaping response strategy than women, however, the robust sex differences in MRT was only marginally affected by sex differences in response strategies. 相似文献
416.
Matthias Ziegler Maximilian Knogler Markus Bühner 《Learning and individual differences》2009,19(2):288-292
Studies on the interface between cognitive ability (intelligence) and personality in the prediction of academic performance have yielded mixed results so far. Especially an interaction between conscientiousness (and its facet achievement striving) and intelligence has been investigated. The hypothesis is that conscientiousness enhances the impact of intelligence on performance. Based on findings supporting the idea of a non-linear relationship between conscientiousness and performance the present study aimed at a clarification of the mixed results. Given such a non-linear relationship, studies investigating a possible moderating effect should pay attention to the performance level. A sample of N = 271 students completed a conscientiousness and an intelligence measure. Moderated regression analyses revealed a moderation for conscientiousness but not its facet achievement striving in the total sample. However, splitting the sample into a low and a high performer group revealed an enhancing effect of achievement striving for low performers and a buffering effect for high performer. Practical as well as theoretical implications are discussed. 相似文献
417.
Prof. Dr. Markus P. Neuenschwander Dr. Tina Malti 《Zeitschrift für Erziehungswissenschaft》2009,12(2):216-232
The aim of this study is to investigate the influence of family environment, school grade, performance and social behavior of students on educational trajectory. The research project Family-School-Job (FASE B) utilized a representative longitudinal sample of 454 students and their primary reference persons in the canton of Bern (Switzerland). Using step-wise logistic regression analyses, the study investigated the predictive value of family-based and individual determinants at the end of primary school for the transition to lower secondary schooling and for the development at upper secondary education (academic education or vocational training). The transition to lower secondary education was more strongly influenced by grades than by results of standardized performance tests. Parental expectation, parents’ socio-economic background and by classroom misbehavior were also important predictors.Parental expectations predicted educational pathways into secondary education whereas grades in German andgender were partially significant only. Parental expectations permit precise predictions of educational pathways, even when controlling for students’ grades and performance. 相似文献
418.
419.
Markus Perkmann Rossella Salandra Valentina Tartari Maureen McKelvey Alan Hughes 《Research Policy》2021,50(1):104114
We provide a systematic review of the literature on academic engagement from 2011 onwards, which was the cut-off year of a previous review article published in Research Policy. Academic engagement refers to knowledge-related interactions of academic scientists with external organisations. It includes activities such as collaborative research with industry, contract research, consulting and informal ties. We consolidate what is known about the individual, organisational and institutional antecedents of academic engagement, and its consequences for research, commercialisation, and society at large. Our results suggest that individual characteristics associated with academic engagement include being scientifically productive, senior, male, locally trained, and commercially experienced. Academic engagement is also socially conditioned by peer effects and disciplinary characteristics. In terms of consequences, academic engagement is positively associated with academics’ subsequent scientific productivity. We propose new areas of investigation where evidence remains inconclusive, including individual life cycle effects, the role of organisational contexts and incentives, cross-national comparisons, and the impact of academic engagement on the quality of subsequent research as well as the educational, commercial and society-wide impact. 相似文献
420.
Dr. Markus Gerber 《Sportwissenschaft》2011,41(4):283-299
The present article reviews the previous literature on mental toughness in sport. The review demonstrates that qualitative researchers have been able to establish conceptual clarity and provide guidance for operationalizing the concept. As a consequence, several quantitative questionnaires have been developed beyond the Psychological Performance Inventory (PPI). Meanwhile, there is preliminary evidence for the validity and reliability of these instruments. Moreover, researchers showed that mental toughness is associated with higher achievement levels or performance outcomes in elite athletes. Regarding the underlying mechanisms, prior research indicated that mentally tough athletes use more positive coping strategies. Although researchers agree that mental toughness is a rather stable construct, experimental research showed that mental skill training influenced mental toughness in a positive fashion. To date, there is a great need for more quantitative, longitudinal and experimental research. Also, a biopsychological approach offers an interesting avenue for future studies. 相似文献