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71.
72.
Tamar Kennet-Cohen Elliot Turvall Carmel Oren 《Assessment in Education: Principles, Policy & Practice》2014,21(2):193-204
This study examined selection bias in Israeli university admissions with respect to test language and gender, using three approaches for the detection of such bias: Cleary’s model of differential prediction, boundary conditions for differential prediction and difference between d’s (the Constant Ratio Model). The university admissions process in Israel, like those in many countries, is based on a combination of school-related achievement and a general scholastic aptitude test. The selection process was found to be biased in favour of Arabic speakers and not biased with respect to gender. The three approaches for detecting selection bias were similar in the pattern of the results they produced, but differed, as expected, in the magnitude of the bias they detected. The discussion focuses on the results both with respect to the specific groups studied (first research question) and with respect to the three approaches for detecting selection bias (second research question). 相似文献
73.
The temporal-difference (TD) algorithm from reinforcement learning provides a simple method for incrementally learning predictions of upcoming events. Applied to classical conditioning, TD models suppose that animals learn a real-time prediction of the unconditioned stimulus (US) on the basis of all available conditioned stimuli (CSs). In the TD model, similar to other error-correction models, learning is driven by prediction errors-the difference between the change in US prediction and the actual US. With the TD model, however, learning occurs continuously from moment to moment and is not artificially constrained to occur in trials. Accordingly, a key feature of any TD model is the assumption about the representation of a CS on a moment-to-moment basis. Here, we evaluate the performance of the TD model with a heretofore unexplored range of classical conditioning tasks. To do so, we consider three stimulus representations that vary in their degree of temporal generalization and evaluate how the representation influences the performance of the TD model on these conditioning tasks. 相似文献
74.
There is accumulating evidence that genetic influences on achievement are more pronounced among children living in higher socioeconomic status homes, and that these gene-by-environment interactions occur prior to children's entry into formal schooling. We hypothesized that one pathway through which socioeconomic status promotes genetic influences on early achievement is by facilitating the processes by which children select, evoke, and attend to learning experiences that are consistent with genetically influenced individual differences in their motivation to learn. We examined this hypothesis in a nationally representative sample of approximately 650 pairs of four-year old identical and fraternal twins who were administered a measure of math achievement, and rated by their parents on a broad set of items assessing learning motivation. Results indicated a genetic link between learning motivation and math achievement that varied positively with family socioeconomic status: Genetic differences in learning motivation contributed to math achievement more strongly in more advantaged homes. Once this effect of learning motivation was controlled for, gene-by-socioeconomic status interaction on math achievement was reduced from previously significant levels, to nonsignificant levels. 相似文献
75.
Phyllis C. Blumenfeld Elliot Soloway Ronald W. Marx Joseph S. Krajcik Mark Guzdial Annemarie Palincsar 《教育心理学家》2013,48(3-4):369-398
Project-based learning is a comprehensive approach to classroom teaching and learning that is designed to engage students in investigation of authentic problems. In this article, we present an argument for why projects have the potential to help people learn; indicate factors in project design that affect motivation and thought; examine difficulties that students and teachers may encounter with projects; and describe how technology can support students and teachers as they work on projects, so that motivation and thought are sustained. 相似文献
76.
Secondary Students' Dynamic Modeling Processes: Analyzing,Reasoning About,Synthesizing, and Testing Models of Stream Ecosystems 总被引:1,自引:2,他引:1
Stratford Steven J. Krajcik Joseph Soloway Elliot 《Journal of Science Education and Technology》1998,7(3):215-234
In this paper, we explore dynamic modeling as an opportunity for students to think about the science content they are learning. We examined the Cognitive Strategies for Modeling (CSMs) in which students engaged as they created dynamic models. We audio- and videotape-recorded eight pairs of ninth grade science students and analyzed their conversations and actions. In analyzing appropriate objects and factors for their model, some students merely enumerated potential factors whereas others engaged in rich, substantial, mindful analysis. In reasoning about their models, students discussed relationships in depth, concentrated only on the most important key relationships, or encountered difficulty distinguishing between causal and correlational relationships. In synthesizing working models, students mapped their model to aid visualization, focused on their goal, or talked about their model's appearance or form. Students attempted to articulate explanations for their relationships, but sometimes their explanations were shallow. In testing their models, some students tested thoroughly but only a few persisted in debugging their model's behavior so that it matched their expectations. In our conclusion we suggest that creating dynamic models has great potential for use in classrooms to engage students in thought about science content, particularly in those thinking strategies best fostered by dynamic modeling: analysis, relational reasoning, synthesis, testing and debugging, and making explanations. 相似文献
77.
Marsh Herbert W. Xu Kate M Parker Philip D Hau Kit-Tai Pekrun Reinhard Elliot Andrew Guo Jiesi Dicke Theresa Basarkod Geetanjali 《Educational Psychology Review》2021,33(4):1353-1378
Educational Psychology Review - The big-fish-little-pond effect (BFLPE), the negative effect of school-/class-average achievement on academic self-concept, is one of educational psychology’s... 相似文献
78.
Using New Technology to Improve Assessment 总被引:1,自引:0,他引:1
Randy Elliot Bennett 《Educational Measurement》1999,18(3):5-12
What are the areas of testing that will be most affected by new technology" Who is doing work on the cutting edge of these areas" What will be the ultimate effect of these innovations" 相似文献
79.
Dely L. Elliot Matthew Atencio Theresa Campbell Mike Jess 《Sport, Education and Society》2013,18(6):749-766
Morgan and Hansen suggest that further research is needed to explore how non-specialist primary teachers approach and teach physical education (PE) based on their personal school PE backgrounds, teacher education experiences and ongoing professional development. This paper adopts Lawson's socialisation model, a theoretical framework subsequently used by many other researchers, to explore how primary teachers' experiences in various contexts ‘shape [their] knowledge and beliefs about the purpose of physical education, its content and teaching approaches’. Examining teachers' beliefs and attitudes towards PE is arguably important as it highlights how they approach the profession and enact particular teaching practices. We examine the views of 327 non-specialist primary teachers who participated in a postgraduate certificate in primary PE run by the Universities of Glasgow and Edinburgh. This article reports findings from the baseline data of our longitudinal research—arguably crucial in ascertaining teachers' starting point and useful in monitoring the programme's impact. Our findings suggest the prevalence of negative PE experience during primary and secondary years, which we considered part of Lawson's ‘acculturation’ phase. Experiences during initial teacher education (ITE) or ‘professional socialisation’ showed that teachers were only given a basic starting point, which was inadequate for teaching PE effectively. The initial teaching experience or ‘organisational socialisation’ stage also presented major challenges for teachers who endeavoured to apply knowledge and skills acquired during ‘professional socialisation’. We suggest that how teachers' conceptions about PE are formulated and the accounts of challenges they encountered upon school entry are vital for the design and delivery of effective ITE and PE-CPD. Additionally, these findings underpin the need for more critical and reflective learning experiences at all levels of PE. 相似文献
80.
Neil Edward Bezodis Grant Trewartha Aki Ilkka Tapio Salo 《Sports biomechanics / International Society of Biomechanics in Sports》2013,12(2):232-245
This study determined the effects of simulated technique manipulations on early acceleration performance. A planar seven-segment angle-driven model was developed and quantitatively evaluated based on the agreement of its output to empirical data from an international-level male sprinter (100 m personal best = 10.28 s). The model was then applied to independently assess the effects of manipulating touchdown distance (horizontal distance between the foot and centre of mass) and range of ankle joint dorsiflexion during early stance on horizontal external power production during stance. The model matched the empirical data with a mean difference of 5.2%. When the foot was placed progressively further forward at touchdown, horizontal power production continually reduced. When the foot was placed further back, power production initially increased (a peak increase of 0.7% occurred at 0.02 m further back) but decreased as the foot continued to touchdown further back. When the range of dorsiflexion during early stance was reduced, exponential increases in performance were observed. Increasing negative touchdown distance directs the ground reaction force more horizontally; however, a limit to the associated performance benefit exists. Reducing dorsiflexion, which required achievable increases in the peak ankle plantar flexor moment, appears potentially beneficial for improving early acceleration performance. 相似文献