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101.
AbstractThe purpose of this study was to determine the effects of training change-of-direction speed and small-sided games on performance in the Planned-AFL agility test and reactive agility. Twenty-five elite-standard U-18 Australian Rules football players were randomly allocated either to a change-of-direction group or a small-sided games group. Players participated in one or two 15-min sessions per week with 11 sessions conducted over a 7-week period during the season. Tests conducted immediately before and after the training period included the Planned-AFL agility test and a video-based reactive agility test specific to Australian Rules football. The reactive agility test variables were total time, decision time and movement response time. The small-sided games group improved total time (P = 0.008, effect size = 0.93), which was entirely attributable to a very large reduction in decision time (P < 0.001, effect size = 2.32). Small-sided games produced a trivial change in movement response time as well as in the Planned-AFL agility test (P > 0.05). The change-of-direction training produced small to trivial changes in all of the test variables (P > 0.05, effect size = 0–0.2). The results suggest that small-sided games improve agility performance by enhancing the speed of decision-making rather than movement speed. The change-of-direction training was not effective for developing either change-of-direction speed as measured by the Planned-AFL test or reactive agility. 相似文献
102.
Anne M. Phelan Russell Sawa Constance Barlow Deborah Hurlock Gayla Rogers 《Asia-Pacific Journal of Teacher Education》2006,34(2):161-179
Caught between the demands of the normative (what they believe they ought to be and value) and normalisation (what professional others tell them that they should be and value), teacher candidates often experience themselves as belated even though they are newcomers to the profession—simultaneously heirs to a history and new to it. In this paper we illustrate and explore the tensions that result between ‘new’ and ‘old’ in teacher education. Drawing on Lyotard's concept of the différend, we examine the narratives of a practicum triad—one student teacher and his two mentors—as they each attempt to make sense of their irreconcilable differences. We conclude by discussing how the profession might fulfill its obligation to judge the adequacy of new teachers while remaining hospitable to the difference they introduce. 相似文献
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The aim of this study was to examine the relationship between the perceived motivational climate, achievement goals, perfectionism and indices of peer relationships in a sample of young male and female Norwegian soccer players. The sample consisted of 1719 experienced soccer players (1231 males, 488 females) aged 12-19 years (mean = 14.9 years) participating in the Norway Cup international youth soccer competition. The players responded to a questionnaire measuring perceived peer acceptance and quality of friendship in soccer, perceived motivational climate, achievement goals and perfectionism in soccer. Canonical correlation analyses revealed that young female players who perceived the motivational climate as predominantly mastery oriented, and who were moderately task oriented and scored negatively on maladaptive perfectionism, reported better relations with their peers in soccer. Constructive peer relations were evident in that they scored positively on companionship with their best friend in soccer; they perceived this friend as being loyal and allowing of free discussion, and they reported being socially accepted by their peers in soccer. Mirroring these findings, young male players who perceived the motivational climate as predominantly performance oriented, who had a moderately negative score on task orientation but a quite strong positive score on maladaptive perfectionism, reported negative relationships with peers in terms of these aspects. They also reported being in conflict with their best soccer friend. The findings suggest that the qualities of motivation have a systematic relationship with peer acceptance and the quality of friendship in male and female youth soccer. 相似文献
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This self-study investigated the tensions that I (Heidi) encountered when teaching elementary preservice teachers how to develop a coherent sequence of five science lessons. Four lesson planning components guided me in developing a series of lessons to support the preservice teachers with this exercise. Employing self-study methodology, data sources included preservice teachers' artifacts, an audio-recording of the preservice teachers discussing the planning of their lesson sequence, and two reflection journals, one kept personally and one kept collaboratively with my co-author and critical friend (Meredith). Findings indicate that a tension of telling and growth developed gradually during the three weeks of teaching. The collaborative journal revealed that this tension was promoted by two other tensions: confidence and uncertainty, and planning and being responsive. Implications regarding the need for explicit teacher educator coursework and reflective practice opportunities are discussed as potential avenues for Ph.D. programs to consider to lessen the tensions that doctoral students may experience during their transition into the role of teacher educator. 相似文献
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Action Learning—a learning and teaching method in the preparation programme for supervisors of midwives 总被引:2,自引:2,他引:2
Marianne Mead Carole Yearley Chris Lawrence Cathy Rogers 《Action Learning: Research and Practice》2006,3(2):175-186
Supervision of midwives is a statutory responsibility, which provides a mechanism for support and guidance to every practising midwife in the United Kingdom. To be eligible for appointment as a supervisor, midwives are required to undertake a preparation programme successfully. Because of the changing nature of the professional role and education, the level of the programme of preparation has evolved from an attendance course, to programmes delivered at diploma, degree and, more recently, Masters' level. In collaboration with clinical colleagues and the statutory authorities, the University of Hertfordshire has presented a programme of preparation at Masters' level since 1997. Revalidation in 2001 provided the opportunity to review the learning and teaching methods, and a decision was made to use Action Learning as an important component of the new programme that commenced in 2002. Alongside the normal university quality assessment mechanisms, a systematic evaluation was undertaken to explore the acceptability and perceived usefulness of Action Learning by the students of the second and third cohorts. This paper presents the findings of this evaluation. 相似文献
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