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81.
Christopher P. Brown Joanna Englehardt 《Journal of Early Childhood Teacher Education》2017,38(1):19-38
The increased use of and demand for technology in early childhood education classrooms and programs creates new challenges for practicing and preservice early educators being asked to employ such technology within their teaching. Early childhood teacher education programs have struggled to meet these demands for teaching their students how to integrate such technology into their instruction with young children. Preservice teachers who do receive such training often fail to develop the skills and/or beliefs required to implement technology effectively into their own classrooms. The study reported on in this article addresses this issue by providing insight into how a sample of early childhood preservice teachers who used iPads and their apps in their coursework and high-stakes early learning field placements made sense of using these devices as teachers. Such findings illuminate instructional opportunities for teacher educators to consider as they seek to assist their students in making sense about how to implement as well as adopt appropriate and effective instructional strategies into their own classrooms. 相似文献
82.
Family mealtimes have the potential to promote healthy child development. This observational study of 200 family mealtimes examined the relation between child health in a group of children (ages 5 to 12) with persistent asthma and 3 dimensions of mealtime interaction: Action, Behavior Control, and Communication. Percent time spent in Action and Positive Communication varied by asthma severity, child quality of life, and sociodemographic variables. Positive communication during mealtimes predicted child quality of life. Significant interactions between demographic variables and behavior control suggested that higher levels of behavior control affected child quality of life in the context of lower maternal education. Guidance is offered for practitioners and policy makers toward promoting healthy family mealtimes as a public health priority. 相似文献
83.
Jeannette Mancilla-Martinez Michael J. Kieffer Gina Biancarosa Joanna A. Christodoulou Catherine E. Snow 《Reading and writing》2011,24(3):339-354
The development of reading skills in language minority (LM) learners, particularly during the middle school years, remains
unclear despite the increasing need for educators to serve this rapidly growing population. In this study, the English reading
comprehension growth of middle school LM learners was investigated using a longitudinal design and the simple view of reading
as a theoretical framework. Students were assessed at four time points between fifth and seventh grades on standardized measures
of listening comprehension, word reading, and reading comprehension. Individual growth modeling revealed that both listening
comprehension and word reading assessed in fifth grade predicted the elevation of students’ developmental trajectories in
reading comprehension. However, neither skill predicted students’ growth in reading comprehension, and there was no significant
variation across children in growth rates, indicating that students in seventh grade remained on a trajectory established
in fifth grade. The implications of the slowing rate of reading comprehension development during the middle school years are
discussed. 相似文献
84.
Williams JP Nubla-Kung AM Pollini S Stafford KB Garcia A Snyder AE 《Journal of learning disabilities》2007,40(2):111-120
This study evaluated the effectiveness of a comprehension program integrated with social studies instruction designed for at-risk second graders. The program included instruction in cause-effect text structure, emphasizing clue words, generic questions, graphic organizers, and the close analysis of specially constructed cause-effect target paragraphs. This program was compared (a) to a content-only program that focused only on social studies and did not include text structure instruction and (b) to a no-instruction control. Fifteen classroom teachers, randomly assigned to treatment, provided the instruction. The program improved the comprehension of instructional cause-effect texts, and there were transfer effects on some comprehension measures. The performance of the 2 instructed groups did not differ on any of the content measures, indicating that such integrated instruction can be accomplished without a loss in the amount of content acquired. This study supports our previous findings on the effectiveness of explicit instruction at the primary-grade level. 相似文献
85.
The term brain based is often used to describe learning theories, principles, and products. Although there have been calls urging educators to be cautious in interpreting and using such material, consumers may find it challenging to understand the role of the brain and to discriminate among brain based products to determine which would be suitable for specific educational goals. We offer a framework for differentiating the multiple meanings of the brain based label and guidelines for educators and consumers to use when evaluating educational products labeled as brain based. The guidelines include: identifying educational goals and target student populations, aligning goals and product purposes, reviewing product merits, identifying benefits and limitations of the product, and characterizing the product's impact on behavioral performance. 相似文献
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A dynamic model of the breast during exercise 总被引:1,自引:1,他引:0
The aim of this paper is to develop a method to determine the material characteristics of bras that could limit breast motion
during exercise. A single participant ran on a treadmill at 10 km h−1 wearing either a sports bra, an everyday bra or no bra. The relative motion between the suprasternal notch and the breast
was recorded using a passive marker system at 200 Hz and was modelled as forced damped-harmonic motion with a linear spring
and damper, with the driving force provided by the suprasternal notch. The spring and damper values were found by matching
the model to the experimental data. It was found that both the damping and stiffness values increased with the use of an everyday
bra, and increased further still with the use of a sports bra. The stiffness parameter, however, was shown to be the most
important criterion for minimisation of the breast motion. The model predicted that an increase in breast mass from 100 to
700 g (a 32A-cup to a 32F-cup) increased the vertical motion of the unsupported breast by around 70% when running and 30%
when walking. This was reduced with an everyday bra and further reduced with the high stiffness sports bra. Although predictions
were sensible, the model requires further verification with a cohort of participants. 相似文献
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