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Abstract Schmidt's (1975) schema theory was tested with subjects who had to emit a rapid aiming response while wearing prism glasses. The glasses enabled them to view the target, but not their responding limb or the outcome of the movement. The problem was to determine the effect of (a) training with variable target practice, and (b) experiencing visual displacement information of the target, prior to training, on performance in transfer to a novel target distance. A 2 × 2 (type of practice × displacement information) factorial design was used, in which four groups of 15 male college subjects performed 60 training trials with verbal knowledge of results. The groups with variable target practice had less error on initial transfer to the novel target and throughout transfer than the groups with nonvariable target practice. No evidence was found to indicate that rate of learning for a novel target distance during transfer in the absence of KR is a positive function of the variability of target practice in training. Nor was any effect found for experiencing visual displacement information on performance in transfer. 相似文献
83.
Abstract Two experiments were conducted to identify the response elements responsible for the complexity effect found by Henry and Rogers (1960). An attempt was made to determine if these elements were affecting the premotor time component of simple reaction time (SRT). If they were, a strong case could be made for the argument that neuromotor programming time was affected because premotor time is a more exact estimate of it than SRT. The results revealed that premotor time was unaffected by a forward change in movement direction, but increased as the number of movement parts increased from one to two and as the demand for movement accuracy increased. Thus, increasing the (1) number of parts and (2) accuracy demands were identified as elements of response complexity which increase programming time and support Henry and Rogers (1960) hypothesis that the time to initiate a response becomes longer as the programming process become more complex. 相似文献
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86.
Susan Murphy Dativa Shilla Consolata Chua Christina Raphael Niamh O'Rourke Molly Middlehurst-Schwartz 《比较教育学》2019,55(2):264-280
ABSTRACTGender norms and learned practices of student teachers can influence their performance in practice, either fixing or challenging, gendered social norms and expectations. This paper shares the findings of a multi-year mixed-methods research project that explored the understandings of gender norms and experiences of students and staff within a large teacher-training college in Tanzania. Data was collected to inform a wider gender mainstreaming initiative across the institution. Using a blend of quantitative and qualitative methods, the findings identified a strict and rigid gender binary which seemed to inform attitudes and practices of teaching and learning. Furthermore, it uncovered heterogeneous forms of gendered domination that were experienced by staff and pupils within the institution. The findings suggest that stand-alone ‘female only’ gender mainstreaming strategies may not be sufficient to achieve a gender equitable environment within the institution. Rather, it suggests that a whole-of-community approach is necessary to unravel deep-rooted biases and to tackle diverse forms of domination that affect different members of the college community in different ways. Such findings are particularly important in light of the epistemic power that is conferred on teacher-graduates and that is transferred through teaching practices to communities across Tanzania. 相似文献
87.
Jessica V. Whittaker Mable B. Kinzie Virginia Vitiello Jamie DeCoster Christina Mulcahy Emily A. Barton 《Journal of research on educational effectiveness》2020,13(2):177-212
abstractThis randomized controlled trial examined effects of the MyTeachingPartner-Math/Science intervention on the quality and quantity of teachers’ mathematics and science instruction, and children’s mathematics and science outcomes in 140 pre-kindergarten classrooms. Teachers participated in the intervention for two years with consecutive cohorts of children. Results from Year 1 are considered experimental, however due to high levels of attrition, results from Year 2 are considered quasi-experimental. Across both years, intervention teachers exhibited higher quality and quantity of instruction. In Year 1, there were no significant effects of the intervention on children’s outcomes. In Year 2, children in intervention classrooms made greater gains in teachers’ ratings of mathematics and science skills and performed better on a spring assessment of science skills. These results have implications for designing and evaluating professional development aimed at supporting children’s mathematics and science knowledge and skills. 相似文献
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Models in Physics, Models for Physics Learning, and Why the Distinction may Matter in the Case of Electric Circuits 总被引:1,自引:0,他引:1
Christina Hart 《Research in Science Education》2008,38(5):529-544
Models are important both in the development of physics itself and in teaching physics. Historically, the consensus models
of physics have come to embody particular ontological assumptions and epistemological commitments. Educators have generally
assumed that the consensus models of physics, which have stood the test of time, will also work well as teaching models, and
for many topics this assumption is at least unproblematic and in many cases productive. However, in the case of electric circuits
the consensus models are highly abstract and consequently inaccessible to beginning learners. Certain historically derived
analogues for the consensus models are accepted in texts, but these are demonstrably ineffective for helping learners grasp
the fundamental concepts of electric circuits. While awareness of other models circulates informally in the teaching community,
these are not well documented in the science education literature and rarely referred to in authoritative texts, possibly
because the models do not share the ontological assumptions and epistemological commitments that characterise consensus models.
Consequently these models have not been subjected to a disciplined critique of their effectiveness for teaching purposes.
In this paper I use criteria drawn from the science education literature to reflect on why I have found particular models
valuable in teaching electric circuits. These criteria contrast with the epistemological and ontological features that characterise
the consensus models of science, and my reflection leads me to attend explicitly to the ways in which meanings are created
within physics. This suggests that all models, whether consensus models or not, can be used more knowingly for important educational
ends.
相似文献
Christina HartEmail: |
90.
Tia Navelene Barnes Christina Cipriano Kathleen McCallops Cara Cuccuini-Harmon Susan E. Rivers 《Emotional and Behavioural Difficulties》2018,23(3):284-295
Despite teacher self-efficacy and burnout’s influence on student outcomes, little research has been conducted on teacher self-efficacy and burnout in residential treatment schools. This study attempts to fill this need by examining the self-efficacy and burnout of teachers and paraeducators in a residential treatment school in the United States. We explore the relationships between educators’ perceptions of school supports and educators’ sense of self-efficacy and burnout Our results revealed that while educators’ perceptions of school supports were not related to educators’ sense of efficacy, there was a significant relationship between educators’ perceptions of school supports and reported levels of burnout. Educators who reported lower levels of school supports had high levels of burnout. We discuss implications for larger studies on this topic and for supporting educator well-being in residential treatment schools. 相似文献