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151.
Mehmet Sahin Nurettin Yorek 《美中教育评论》2009,6(4):19-26
Students have long regarded science as a difficult subject because of hard and abstract concepts. Traditional science teaching has been depended mostly on visual instruction. This makes it difficult for visually impaired (VI) or partially sighted students included in regular classrooms to learn the concepts. Blind students on the other hand, have no visual input at all. They need to learn using other senses such as touching and hearing. Classrooms should be adapted and instruction should be adjusted for better science teaching to VI students. The purpose of this study was to investigate how VI students learn science. The results of the data obtained via interviews and observations revealed that VI students need instructional and environmental accommodations to learn science. They need more tactual and audio experiences than visual instruction. Suggestions and implications about teaching science to students with visual impairments are discussed. 相似文献
152.
The present study aims to identify first year Turkish Science undergraduates’ understandings and misconceptions of the concept
of light and its propagation. For this purpose, an instrument composed of four open-ended questions was developed by the researchers.
The diagnostic test was piloted with twenty students and modifications were made prior to the final administration of the
test. The content validity of the test questions was assessed by two physics researchers and one lecturer. These questions
were administered to a hundred first year undergraduates (aged 16–18) enrolled in the Science Teacher Training Department
in Ataturk University in Turkey. In addition, the semi-structured interviews of 30–40 min were conducted with the four students
whose responses involved common misunderstanding. All interview records were transcribed and analysed. The findings showed
that undergraduates’ understanding of light is poor and also they have important and prevalent misconceptions. Identified
misconceptions, some of which have been reported in the literature, are discussed qualitatively. The misunderstandings identified
were compared with those in the literature. The results have some implications for teaching light, suggesting that a substantial
revision of teaching strategies is needed.
相似文献
Mehmet YalcinEmail: |
153.
Köse Mustafa Koçyiğit Mehmet Erdem Cahit Jega Idris Mohammed 《Education and Information Technologies》2021,26(4):4307-4328
Education and Information Technologies - This study aims to evaluate current locations of preschool education institutions and suggest alternative spatial arrangements in the Afyonkarahisar... 相似文献
154.
The aim of this study was to assess over time the hydration status of taekwon-do athletes during a preparatory camp. Measures of urine osmolality, conductivity, specific gravity and colour were made on the first urine sample passed by the participants (n = 32) in the morning before breakfast. The urinary measurements were made on samples collected at the beginning of the camp, 5 days later and one day before competition. Body mass was also measured at the same instants. Body mass (mean +/- s) was essentially the same on each of the measurement days (62.6 +/- 12.2, 62.7 +/- 12.3 and 62.2 +/- 12.6 kg, respectively). Mean urine osmolality at the beginning of the camp was relatively high (998 +/- 171 mOsmol . kg-1), suggesting that a significant number of the athletes were already hypohydrated. However, no significant differences were detected in urine osmolality at the three time points during the study. There were no significant differences in any of the four methods of urine analysis during the study (P > 0.05). The average values for all samples were 989 +/- 205 mOsmol . kg-1 for osmolality, 25.5 +/- 6.7 mS . cm-1 for conductivity, 1.017 +/- 0.010 g . cm-3 for specific gravity and 4 +/- 1 arbitrary units for colour. Correlation analysis between the different methods suggested moderately good agreement (correlation coefficient = 0.5-0.7) between all four measurement techniques (P < 0.01). The coefficients of variation for these techniques were relatively low (CV = 11.8 - 35.0%). The results of this study suggest that some of the taekwon-do athletes were slightly hypohydrated in the morning on each of the test days, but there was no evidence to suggest that most of the athletes further restricted their fluid intake to make weight. In addition, it appears that each of the four methods used gave essentially the same estimate of hydration status of these athletes. 相似文献
155.
The authors developed and initially validated the Supervisee Disclosure in Supervision Scale (SDSS). Exploratory and confirmatory factor analyses with 2 independent samples revealed that the SDSS is a 17-item instrument with 2 subscales showing promising psychometric properties. The authors discuss the findings with implications for supervision training, practices, and research. 相似文献
156.
157.
Research in Science Education - The purpose of this study was to describe the effect of multiple knowledge representations of physical and chemical changes on the development of primary pre-service... 相似文献
158.
Mehmet Karakas 《Journal of Science Education and Technology》2009,18(2):101-119
Study provides qualitative analysis of data that answers the following research question: how college science faculty teach science and NOS and incorporate aspects of NOS and the history of science into their undergraduate courses? Study concentrates on four cases and more specifically on three introductory science classes and on four instructors who taught those courses. These instructors were chosen as case studies to explore in greater detail what occurs inside introductory science courses in one particular higher institution in the Northeastern United States. Participants’ teaching styles are presented through a combined and detailed presentation of interview data and classroom observations supported with examples from their classroom activities. Constant comparative approach was used in the process of organizing and analyzing data. Findings revealed that participants preferred to use the traditional teacher-centered lecturing as their teaching style and whose main concern was to cover more content, develop the problem solving skills of their students, and who wanted to teach the fundamental principles of their subjects without paying special importance to the NOS aspects. The study also revealed that other variables of teaching science, such as large class size, lack of management and organizational skills, teaching experience, and instructors’ concerns for students’ abilities and motivation are more important for these scientists then teaching for understanding of NOS. 相似文献
159.
This study aimed to analyze environmental education research (EER) in Turkey conducted in Grades K‐8 and published over the years 1997–2007. Due to the fact that there had been no systematic reviews of EER in Turkey prior to this time period, it was more appropriate to explore the implications of the results of this review for research policies and practices than for educational policies and practices in Grades K‐8. A substantial search of the international and national literature revealed 53 studies that fit the time frame and study characteristics. Three analyses of these studies were undertaken: (a) features of the research method; (b) socio‐demographic characteristics of the subjects; and (c) components of environmental literacy assessed. Three charts were constructed to support these analyses; e.g., one for each analysis. For analysis (a), quantitative surveys were the most common method. For analysis (b), greater attention was paid to the age, grade level, gender and residence of participating students. For analysis (c), greater attention was paid to knowledge of ecology and natural history, and knowledge of environmental problems and issues, less attention was paid to components of affect, and very little attention was paid to socio‐political‐economic knowledge, cognitive skills and environmentally responsible behavior. 相似文献
160.
INVESTIGATING THE EFFECTIVENESS OF AN ANALOGY ACTIVITY IN IMPROVING STUDENTS’ CONCEPTUAL CHANGE FOR SOLUTION CHEMISTRY CONCEPTS 总被引:1,自引:0,他引:1
Muammer Çalik Alipaşa Ayas Richard K. Coll 《International Journal of Science and Mathematics Education》2009,7(4):651-676
This paper reports on an investigation on the use of an analogy activity and seeks to provide evidence of whether the activity
enables students to change alternative conceptions towards views more in accord with scientific views for aspects of solution
chemistry. We were also interested in how robust any change was and whether these changes in conceptual thinking became embedded
in the students’ long-term memory. The study has its theoretical basis in an interpretive paradigm, and used multiple methods
to probe the issues in depth. Data collection consisted of two concept test items, one-on-one interviews, and student self-assessment.
The sample consisted of 44 Grade 9 students selected from two intact classes (22 each), from Trabzon, Turkey. The interviews
were conducted with six students selected because of evidence as to their significant conceptual change in solution chemistry.
The research findings revealed statistically significant differences in pre-test and post-test scores, and pre-test and delayed
post-test scores (p<0.05), but no differences between post-test and delayed test scores (p>0.05). This suggests that the analogy activity is helpful in enhancing students’ conceptual understanding of solution chemistry,
and that these changes may be stored in the students’ long-term memory. 相似文献