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201.
To examine the unique functions of same‐ and cross‐ethnic friendships, Latino (n = 536) and African American (n = 396) sixth‐grade students (Mage = 11.5 years) were recruited from 66 classrooms in 10 middle schools that varied in ethnic diversity. Participants reported on the number of same‐ and cross‐ethnic friends, perceived vulnerability, friendship quality, and the private regard dimension of ethnic identity. Whereas same‐ethnic friendships were uniquely associated with stronger private regard, more ethnic diversity and cross‐ethnic friendships were uniquely associated with less perceived vulnerability. Multilevel structural equation modeling tested whether cross‐ethnic friendships mediated the diversity‐vulnerability relation. Although cross‐ethnic friendships did not significantly mediate this relation at the classroom level, these friendships predicted less vulnerability at the individual student level.  相似文献   
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James Scheurich argues that practices of policy – normalized over time through repetition – serve three purposes. They structure social problems for which policy is designed to address; construct certain people, implicitly or explicitly, as problem individuals; and shape policy solutions. Following Foucault, he offers what he calls Policy Archaeology Methodology as an approach to policy analysis that emphasizes how particular social problems (but not others) are socially constructed in certain ways within certain political and social contexts. The purpose of policy archaeology as a mode of analysis is ‘to investigate … the grid of conditions, assumptions, forces which make the emergence of a social problem … possible’. Drawing from his method of inquiry, I identify, through examination of policy documents, how the problem of bullying in schools has come to be understood in certain ways (the dominant narrative) and how policy solutions are constrained and limited accordingly, thereby confounding their purpose. I suggest that Scheurich’s perspective provides a way of addressing bullying that accounts for complexity in ways that current approaches mostly do not even consider.  相似文献   
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Lynda Graham 《Literacy》2008,42(1):10-18
In this article I consider the digital lives of a number of young teachers. Some are confident, competent movers in digital worlds, some are not. I wonder why, and look back at the teachers' digital histories to see whether ways in which they learned about digital worlds affects their lives now. I identify three different routes to learning about digital worlds, and describe these with representative stories. Two are serious solitary journeys, one self‐taught the other schooltaught. Most teachers in these groups use digital technologies for work and for the business of life. The third route is playful social. Teachers in this group have experienced learning about digital worlds with fellow enthusiasts and in playful contexts. These teachers use digital technologies for pleasure as well as the business of life and work. I argue that it is important that young teachers and student teachers be given time on courses to think about and discuss their own digital literacy histories.  相似文献   
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This article aims to clarify the relationship between education and women’s empowerment. Drawing from qualitative data collected in a study of four Garifuna villages on the north coast of Honduras, it argues that education can trigger the empowerment process if it expands women’s knowledge and understanding, self‐confidence and awareness of gender equity. However, not all education programs will do this. The program studied, Sistema de Aprendizaje Tutorial, has several unique features that appear to foster the empowerment process and are not traditionally present in Latin American secondary schools. We must carefully consider the content and pedagogy of educational programs that attempt to promote women’s empowerment, rather than assuming that education and empowerment automatically go hand‐in‐hand.  相似文献   
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The altruistic act of body donation provides a precious resource for both teaching and researching human anatomy. However, relatively little is known about individuals who donate their bodies to science (donors), and in particular whether donors in different geographical locations share similar characteristics. A multicenter prospective survey of donors registering during 2010 in three different geographical locations, New Zealand, Ireland, and the Republic of South Africa, was conducted to identify donor characteristics. The 28-question survey included sections on body donation program awareness, reasons for donating, giving tendency, education, ethnicity, relationship status, occupation, religion, and political preference. Two hundred surveys (81%) were returned [New Zealand 123 (85% response rate), Republic of South Africa 41 (67%), and Ireland 36 (92%)]. Results indicate that donors share certain characteristics including reason for donating (80% cited a desire to aid medical science as the main reason for wishing to donate their body); family structure (most donors are or have been in long-term partnerships and ≥ 85% have siblings); and a higher proportion with no religious affiliation compared to their reference population. Some variations between locations were noted including donor age, the mode of program awareness, occupation, relationship status, political preference, organ donor status and with whom donors had discussed their decision to donate. This information could be important for assisting the identification of potential body donors in new and established bequest programs.  相似文献   
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The motor control of 49 unmedicated boys clinically diagnosed with ADHD, case‐matched with 49 non‐ADHD boys, was assessed while playing Crash Bandicoot I, a SonyTM Playstation platform computer video game. In Crash Bandicoot participants control the movements of a small‐animated figure through a hazardous jungle environment. Operationally defined measures of motor control were designated by (1) the stage of the game completed (ie, the number of obstacles successfully passed) before losing the figure's ‘life’, (2) the level of complexity that the stage represented and (3) the time taken to get to that point during the video game play. These measures were assessed under contrasting conditions of low or high working memory and distracter loads. Four tasks were administered (totalling 12 trials), incorporating both with and without distracter conditions. For those trials with the distracter, a segment of the television show The Simpsons was simultaneously played on a television screen adjacent to the computer game monitor. A 5‐way MANOVA revealed that ADHD boys took less time to complete their trials under the direct condition (ie, no working memory load) on Crash Bandicoot, compared to their matched non‐ADHD peers. When the task required additional working memory, however, the ADHD boys took significantly longer. Cumulative frequency plots of game performance revealed that in terms of the number of obstacles completed, the control participants successfully navigated more obstacles on the low working memory load task than the ADHD participants, but that the performance of the two groups was less distinguishable on the high working memory load task. The findings have implications for assessment and management of children with ADHD.  相似文献   
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Background: Uncertainty is a crucial element of scientific knowledge growth. Students should have some understanding of how science knowledge is developed and why scientific conclusions are considered more or less certain than others. A component of the nature of science, it is considered an important aspect of science education and allows students to recognize the limitations of scientific research.

Purpose: This study examined Grades 5 and 9 students’ views of uncertainty in their personal scientific research and the formal scientific research of professionals.

Sample: This study included 33 students in Grade 5 (= 17) and Grade 9 (= 16). The students were recruited from a charter school that emphasised inquiry instruction.

Design and methods: Data were collected through interviews. Students were asked their views of their inquiry-based projects and their views of professional science.

Results: Interview data and statistical analyses indicated that students recognized uncertainty in personal science, which varied across elements of the scientific process. Additionally, their views of uncertainty in formal science tended to change across grades and knowledge of uncertainty in personal and formal science were positively correlated.

Conclusion: These findings offer insights into the processes by which students come to understand uncertainty in science and point to ways of fostering such knowledge through teaching practices.  相似文献   

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