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111.
Howard Youngs 《Journal of educational administration and history》2009,41(4):377-389
It is time to situate distributed leadership as a critical conceptualisation of school leadership; its popularisation has generally preceded conceptual and empirical development. Over the last 10 years distributed leadership has often been presented as a new construct of school leadership, though critique against education policy reforms and conceptual and historical links to the wider leadership field have generally been underemphasised. The theorisation and research of distributed leadership is currently situated at a critical point in its development; it is at the ‘crossroads’ of where it could dominantly be situated in the field of school leadership. A review of the literature and research suggests that distributed leadership is tending towards an uncritical position that is decoupled from critique of past and present education reforms and predominantly silent on how power relations at the local school level shape leadership activity. 相似文献
112.
113.
Abstract The purpose of this study was to assess the agreement between two mobile cycle ergometer systems for recording high-intensity, intermittent power output. Twelve trained male cyclists (age 31.4 ± 9.8 years) performed a single 3 min intermittent cycle test consisting of 12 all-out efforts, separated by periods of passive recovery ranging from 5 to 15 s. Power output was recorded using a Polar S710 heart rate monitor and power sensor kit and an SRM Powercrank system for each test. The SRM used torque and angular velocity to calculate power, while the S710 used chain speed and vibration to calculate power. Significant differences (P < 0.05) in power were found at 8 of the 12 efforts. A significant difference (P = 0.001) was also found when power was averaged over all 12 intervals. Mean power was 556 ± 102 W and 446 ± 61 W for the SRM and S710 respectively. The S710 underestimated power by an average of 23% with random errors of ?/÷ 24% when compared with the SRM. Random errors ranged from 36% to 141% with a median of 51%. The results indicate there was little agreement between the two systems and that the Polar S710 did not provide a valid measure of power during intermittent cycling activity when compared with the SRM. Power recorded by the S710 system was influenced greatly by chain vibration and sampling rates. 相似文献
114.
Charles H. Shea John B. Krampitz Homer Tolson Alan A. Ashby Rose M. Howard William S. Husak 《Research quarterly for exercise and sport》2013,84(1):86-99
Abstract The present experiments examined the effects of stimulus velocity, stimulus duration, and stimulus uncertainty on the spatial-temporal structure and timing accuracy of coincident timing responses. The results of Experiment 1 indicated that the response structure for aimed movements differed from that of ballistic movements but response accuracy was comparable for both movement conditions. However, when information concerning the stimulus velocity was provided, the responses to the faster stimuli (i.e., stimuli of shorter duration) appeared to be “speeded up” copies of those to slower stimuli and response accuracy increased as the stimulus velocity increased (i.e., stimulus duration decreased). When the stimulus velocity was not known, subjects initiated a common response for approximately 260 msec and response accuracy appeared to decrease as the stimulus velocity increased (i.e., stimulus duration decreased). Experiment 2 indicated that the stimulus duration rather than the stimulus velocity was the major determiner of both the spatial-temporal structure and timing accuracy and that a very fast and a very slow stimulus will be responded to similarly when the stimulus duration remains constant. 相似文献
115.
Do special education teachers use IEPs to guide instruction? 总被引:1,自引:0,他引:1
Teachers in a large urban school system were surveyed with a self-administered questionnaire and a modified nominal group technique to assess their views about IEPs and identify impediments to implementing the IEPs of their students. Teachers indicated that they viewed the IEP more as a legal requirement than as an important guide for planning instruction. Frequently they were not involved in the development of their students' IEPs. The article specifies reasons given by teachers for not adhering to their students IEPs and provides recommendations for increasing teacher involvement in IEP preparation. It also presents recommendations for improving instructional conditions and practices which may facilitate IEP implementation. 相似文献
116.
Howard Woodhouse 《Interchange》1997,28(2-3):253-262
Building on an earlier article in which I analyzed the views of women scientists and science educators in Cameroon, West Africa (Woodhouse & Ndongko, 1993), I reflect upon the ways in which these same science educators managed to commit the fallacy of misplaced concreteness, attributed by Alfred North Whitehead to the abstractions of 17th-century physics.On the one hand, the women in our study tried to make their science teaching as concrete as possible by introducing examples from African traditional medicine that were familiar to their students. On the other, they undermined these laudable efforts by consistently diminishing the value of traditional indigenous healing, for they regarded the abstractions of scientific methodology as real in a way that such treatments were not. I argue that this is a prime example of the fallacy.Furthermore, the only way in which these women science educators could imagine that African traditional healers would be accepted by the scientific community was to become professionals by adopting the abstract methodology of science, which falls foul of the fallacy in the first place. Only then could their various traditional treatments be assimilated to the market and developed commercially by multinational corporations. I argue that this overlooks the ways in which such corporations appropriate the cultural and intellectual property of traditional healers in Cameroon and elsewhere. Moreover, their reasoning is based once again on the fallacy of misplaced concreteness, accepting the abstractions of the market as real, while disregarding the value of indigenous knowledge itself. 相似文献
117.
118.
Stephen G. Sireci David Thissen Howard Wainer 《Journal of Educational Measurement》1991,28(3):237-247
If a test is constructed of testlets, one must take into account the within-testlet structure in the calculation of test statistics. Failing to do so may yield serious biases in the estimation of such statistics as reliability. We demonstrate how to calculate the reliability of a testlet-based test. We show that traditional reliabilities calculated on two reading comprehension tests constructed of four testlets are substantial overestimates. 相似文献
119.
Sarah E. Montgomery Wendy Miller Page Foss Denise Tallakson Maria Howard 《Early Childhood Education Journal》2017,45(1):1-14
Teaching about the Universal Declaration of Human Rights, which was adopted by the United Nations General Assembly in 1948, is one way to support students’ learning about issues of fairness. However, learning about this document is not enough. Students need to have experiences where they explore issues of justice and equity in order to learn about respect and dignity for others. The present study explored an arts-based project in a kindergarten classroom about the Universal Declaration of Human Rights Article 26—The Right to Education. Over the course of several months, nineteen kindergarten students learned about educational inequities around the world and specifically about an under-resourced partner school in El Salvador. Children’s literature about human rights became the catalyst for critical conversations, written responses, and drawings inspiring action. Students worked to address injustice by screen printing images they drew about their beliefs regarding a child’s right to education on fabric banners to raise awareness about school inequity. These banners were then displayed in their school and in the partner school. Overall findings from students’ discussions, writing, illustrations, and interviews indicated that the kindergartners were able to recognize their own rights and educational privilege. Through the project they demonstrated active citizenship centered on care and sought further connections with children at the partner school. In using arts-based service learning, educators involved in the study discovered how art can be used as a creative process and a teaching method to support young learners raising awareness about global inequities. 相似文献
120.
Maria Aurora Correa Bernardo Jude Butcher Peter Howard 《International Journal of Educational Development》2012,32(1):187-192
Community engagement in higher education is a shift beyond the traditional roles of instruction and research. This paper presents a transnational view of community engagement developed from two case studies of universities in the Philippines and Australia. The study, revealed variations in the way community engagement is understood and implemented by universities across different countries. These variations are related to economic, social-cultural, political and organizational factors. The role of university leadership was found to have a critical role in embedding community engagement in the organizational identity and image. 相似文献