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181.
High quality lexical representations in memory, characterized by accuracy and stability, are said to underpin fluent reading. Here, the relationship between orthographic quality and reading speed was examined by asking undergraduates (N = 74) to repeatedly read and spell words. Spelling performance over five trials indicated orthographic quality. Single word reading speed was measured using E-Prime technology. A within-participant repeated measures analysis revealed that words which participants spelled consistently accurately, were read faster than words which were misspelled. This pattern also held in a within-word analysis; the same words were read faster by individuals who always spelled them correctly, compared to those who did not. Further, it was found that when words were spelled using the same incorrect letter patterns across trials (i.e., in the same erroneous way), they were read faster than when they had an incorrect but less stable representation (i.e., inconsistent spelling across trials). Hence, the difference in reading speed appears to be a function of both the accuracy and stability of the orthographic representations stored in memory, rather than due to characteristics of individual participants or words. These results lend support for a central role of lexical quality in both spelling and reading, and are discussed with reference to the lexical quality hypothesis.  相似文献   
182.
Many schools and school systems have been deliberately working towards full implementation of Assessment for Learning for more than a decade, yet success has been elusive. Using a leader's implementation of Assessment for Learning in one school as an illustration, this article examines eight positional leaders’ experiences as they implemented both the ‘spirit and the letter’ of Assessment for Learning at all levels. This longitudinal qualitative research study draws on the experiences of leaders from Alberta, British Columbia, Germany, Georgia, Hawai`i, Manitoba, New Zealand and Ontario. The authors identify five findings that show how positional leaders use Assessment for Learning as the focus for system-wide change, as well as the change process itself.  相似文献   
183.
As student-centered approaches to teaching and learning are more widely applied, researchers must assess the outcomes of these interventions across a range of courses and institutions. As an example of such assessment, this study examined the impact of inquiry-based learning (IBL) in college mathematics on undergraduates’ subsequent grades and course selection at two institutions. Insight is gained upon disaggregating results by course type (IBL vs. non-IBL), by gender, and by prior mathematics achievement level. In particular, the impact of IBL on previously low-achieving students’ grades is sizable and persistent. The authors offer some methodological advice to guide future such studies.  相似文献   
184.
We investigated the effects of our Bio-ITEST teacher professional development model and bioinformatics curricula on cognitive traits (awareness, engagement, self-efficacy, and relevance) in high school teachers and students that are known to accompany a developing interest in science, technology, engineering, and mathematics (STEM) careers. The program included best practices in adult education and diverse resources to empower teachers to integrate STEM career information into their classrooms. The introductory unit, Using Bioinformatics: Genetic Testing, uses bioinformatics to teach basic concepts in genetics and molecular biology, and the advanced unit, Using Bioinformatics: Genetic Research, utilizes bioinformatics to study evolution and support student research with DNA barcoding. Pre–post surveys demonstrated significant growth (n = 24) among teachers in their preparation to teach the curricula and infuse career awareness into their classes, and these gains were sustained through the end of the academic year. Introductory unit students (n = 289) showed significant gains in awareness, relevance, and self-efficacy. While these students did not show significant gains in engagement, advanced unit students (n = 41) showed gains in all four cognitive areas. Lessons learned during Bio-ITEST are explored in the context of recommendations for other programs that wish to increase student interest in STEM careers.  相似文献   
185.
186.
Ten HIV‐positive African American adolescent females were interviewed regarding disclosure of their HIV infection in various relationships. Communication Boundary Management (Petronio, 1991) provided a framework for understanding disclosure patterns in these relationships. Participants described expected (n = 113) and actual (n = 94) responses to disclosing an HIV diagnosis. The findings indicate that expected response and the target of disclosure affect adolescents’ disclosure decisions. Participants expected targets of disclosure to respond as follows: experience negative emotional reactions, provide support, treat them differently, tell others, or were unsure of a target's response. On the basis of these findings, five themes were identified related to actual responses to disclosure of HIV infection: different treatment, negative emotional reaction, received support, target told others, and treated no differently. Implications, limitations, and directions for future research are discussed.  相似文献   
187.
Abstract

In South Africa the education system for black children is fraught with problems. These problems are the direct result of apartheid and have been compounded by poverty and illiteracy. In this article the problem of poorly qualified or unqualified teachers is discussed especially with regard to the teaching of map skills to children in their fifth school year. The project team needed to develop affordable materials which could be used in large classes by teachers after a very short period of training. Books and other materials which are available commercially were examined, but for various reasons were found to be unsuitable for local conditions. After determining the extent of the problem, the project team followed a grassroots process of developing a flip chart which teachers learnt to use with confidence and which enabled pupils to master the concepts and skills necessary for understanding a map.  相似文献   
188.
Advertising/PR     
ADVERTISING AGE YEARBOOK 1983 (Chicago: Crain Books, 1983---$34.95)

WRITING FOR THE MEDIA: PUBLIC RELATIONS AND THE PRESS by Sandra Pesmen (Chicago: Crain Books, 1983---$12.95, paper)

MEDIA PLANNING WORKBOOK by Jack Z. Sissors and William B. Goodrich (Chicago: Crain Books, 1983---$12.95, paper)  相似文献   
189.
In this article, I compare the assumptions, concepts, and propositions of media system dependency (MSD) theory and uses and gratifications (U&G) theory at the microlevel of analysis. The epistemological origins of these theories are situated within the differing social and personal contexts that affected their development. Those MSD assumptions that serve as background to this comparison are specified, and major hypotheses concerning the social ecology of microeffects processes are discussed, particularly as they pertain to public opinion concerns. Following this elaboration of MSD theory, basic differences between MSD and U&G conceptions of the audience, interpersonal networks, the media system, and the nature of media power are addressed. I conclude with a brief comment on the implications of the Internet for theorizing micro media effects.  相似文献   
190.
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