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51.
Barbara Allan Dina Lewis 《British journal of educational technology : journal of the Council for Educational Technology》2006,37(6):841-852
This study takes a relatively new direction in researching virtual learning communities (VLCs) as it explores the ways in which VLC membership can support lifelong learning and impact on individual learning careers and professional identities beyond the life of the community. The case study spans 4 years. The findings suggest that through the process of engaging in a VLC, individuals may change their ‘horizons of action’ leading to new learning and career trajectories. In particular, the study demonstrates how membership of a VLC supported and enabled some individuals to transform their learning careers and to make significant life changes. Other members developed their learning careers in an incremental manner that led to increased innovation and professional expertise. The findings suggest that VLCs are successful in supporting individual change and career development when they provide the ‘comfort zone’ of a secure and supportive virtual environment. 相似文献
52.
A typical undergraduate biology curriculum covers a very large number of concepts
and details. We describe the development of a Biology Concept Framework (BCF) as
a possible way to organize this material to enhance teaching and learning. Our
BCF is hierarchical, places details in context, nests related concepts, and
articulates concepts that are inherently obvious to experts but often difficult
for novices to grasp. Our BCF is also cross-referenced, highlighting
interconnections between concepts. We have found our BCF to be a versatile tool
for design, evaluation, and revision of course goals and materials. There has
been a call for creating Biology Concept Inventories, multiple-choice exams that
test important biology concepts, analogous to those in physics, astronomy, and
chemistry. We argue that the community of researchers and educators must first
reach consensus about not only what concepts are important to test, but also how
the concepts should be organized and how that organization might influence
teaching and learning. We think that our BCF can serve as a catalyst for
community-wide discussion on organizing the vast number of concepts in biology,
as a model for others to formulate their own BCFs and as a contribution toward
the creation of a comprehensive BCF. 相似文献
53.
Evaluation of Short-Term Impact of a High School Summer Science Program on Students' Perceived Knowledge and Skills 总被引:1,自引:2,他引:1
Knox Kerry L. Moynihan Jan A. Markowitz Dina G. 《Journal of Science Education and Technology》2003,12(4):471-478
Summer science programs held in university research facilities provide ideal opportunities for pre-college students to master new skills and renew, refresh, and enrich their interest in science. These types of programs have a positive impact on a student's understanding of the nature of science and scientific inquiry and can open a youngster's eyes to the many possible career opportunities in science. This paper describes a study of high school students enrolled in the Summer Science Academy program at the University of Rochester that investigates the program's impact on students' knowledge of laboratory skills, as well as the impact on student interest in pursuing a career in science. Students' exposure to advanced laboratory techniques and their interaction with professional scientists provided them with a very positive hands-on experience. Students who attended the program felt more confident in their ability to use sophisticated laboratory skills and that the Summer Science Academy program provided a positive influence on their performance in advanced science courses, as well as their desire to pursue a career in science. 相似文献
54.
Science enrichment programmes housed outside traditional school settings offer unique opportunities to access and use authentic scientific tools and practices, especially for urban students whose school science experiences often lack resources. Yet opportunities to access these tools and practices are realized only when science teachers value them sufficiently to take advantage of them. This study examines how eight urban secondary science teachers evaluated a specific out‐of‐school science enrichment programme—a one‐year partnership with a local university science outreach centre, which culminated in a half‐day laboratory experience for their students. Teachers’ perceptions were captured through interviews and surveys. Findings indicate that these teachers came to identify and value many of the potential benefits for out‐of‐school enrichment programmes reported in the literature as well as some additional ones. The teachers’ also showed a shift over time with respect to their perceptions of the value of the out‐of‐school experience, moving from an initial focus on increasing test scores toward a greater appreciation for its impact on students’ motivation and identity development. The study offers insight into secondary science students’ and teachers’ identity needs, and what universities can offer to address them. 相似文献
55.
56.
Michal Tabach Ruthi Barkai Pessia Tsamir Dina Tirosh Tommy Dreyfus Esther Levenson 《International Journal of Science and Mathematics Education》2010,8(6):1071-1090
According to reform documents, teachers are expected to teach proofs and proving in school mathematics. Research results indicate
that high school students prefer verbal proofs to other formats. We found it interesting and important to examine the position
of secondary school teachers with regard to verbal proofs. Fifty high school teachers were asked to prove various elementary
number theory statements, to write correct and incorrect proofs that students may use, and to evaluate given justifications
to statements from elementary number theory. While all the participants provided correct proofs to the statements, our findings
indicate that teachers are not aware of students’ preference for verbal justifications. Also, about half of the teachers rejected
correct verbal justifications. They claimed that these justifications lacked generality and are mere examples. 相似文献
57.
Silvia Simbula Dina Guglielmi 《European Journal of Psychology of Education - EJPE》2010,25(3):301-314
This article seeks to contribute to the ongoing debate on the dimensionality of the burnout syndrome. Specifically, its aims are: (1) to investigate the role of efficacy beliefs using negatively worded inefficacy items instead of positive ones and (2) to establish whether depersonalization and cynicism can be considered two different dimensions of the teacher burnout syndrome. The results show that, compared with efficacy beliefs, inefficacy beliefs relate more strongly to the other burnout dimensions considered by the study (i.e., emotional exhaustion, depersonalization, and cynicism). Moreover, using partial disaggregation method, a better fit is found for the four-factor model with separate depersonalization and cynicism dimensions than for the three-factor model in which depersonalization and cynicism are collapsed into one factor. The article concludes that future research on teacher burnout should: (1) use the inefficacy scale as the “third dimension” of burnout, rather than the efficacy scale, and (2) include the cynicism and depersonalization constructs. 相似文献
58.
我想潜到海里,躲在章鱼花园的绿阴下。"我和爸爸在起居室听着甲壳虫乐队的黑胶唱片播放《章鱼花园》这首歌。那时我大概只有六岁。那句歌词让我感到困惑。"海里怎么会有绿阴呢?"我问爸爸",海水下面并没有阴凉和日晒的区别啊!"" 相似文献
59.
The purpose of the present study is to investigate the factors which affect attitudes towards multiculturalism among Jewish and Arab graduate students who experience intercultural learning in an Israeli-Jewish academic college of education. In Israeli society, it is in higher education institutions where young people from different ethnic groups first encounter the ‘others’. This is due to the structure of the Israeli elementary and secondary education system, which is divided into Jewish and Arab segregated sub-systems. In contrast, the country’s higher education institutions are open to everyone. The research population was composed of first and second year graduate students, all of whom were practicing teachers or involved in other educational work. Participants completed questionnaires and a smaller sample was also interviewed. All of the students are practicing teachers or involved in other educational work. Everyone perceived the college’s socio-cultural climate as an open and multicultural one in both years of study. However, these positive feelings characterized Jewish students to a larger extent than Arab students, while the socio-cultural aspect as well as the quality of the academic experience had a positive impact on multicultural attitudes primarily among Arab students. Thus, a multicultural climate is not enough to effect a positive change in entrenched attitudes toward multiculturalism. Multicultural education policy should also be reinforced through a formal academic curriculum, so as to set an example for ongoing social change which will further encourage graduate students—majority and minority alike—to implement their multicultural positive experiences in their own schools in the future. 相似文献
60.