Institutional repository software platforms at undergraduate libraries in the United States     

Elías Tzoc 《College & Undergraduate Libraries》2016,23(2):184-192

For primarily undergraduate institutions, institutional repositories can become effective tools for communicating and showcasing faculty and student research, facilitating open access initiatives, or supporting new scholarly communication practices. Choosing the right software platform is crucial to the success of a repository initiative. The literature suggests that there are only two or three software platforms heavily used in undergraduate libraries. This article aims to give a landscape of the repository platforms used in sixty-seven undergraduate libraries in the United States in late 2013; it also includes the results of a short survey about current institutional repository software platforms and users/administrators’ satisfaction.  相似文献   

关于电大教师尽快适应远程开放教育的思考     

李莹 《山西广播电视大学学报》2002,7(4):49-50

在远程开放教育环境下,电大教师要尽快转变观念,完善能力结构,找准教学中的重、难点和突破点,才能适应开放教育对教师的要求.  相似文献   

Transfer of control between causal predictive judgments and instrumental responding     

Concepción?Paredes-OlayEmail author  María?J.?F.?Abad  Matías?Gámez  Juan?M.?RosasEmail author 《Learning & behavior》2002,30(3):239-248

Four experiments were conducted to explore outcome-specific transfer from causal predictive judgments to instrumental responding. A video game was designed in which participants had to defend Andalusia from navy and air force attacks. First, they learned the relationship between two instrumental responses (two keys on a standard keyboard) and two different outcomes (destruction of the ships or destruction of the planes). Then they learned to predict which of two different stimuli predicted which outcome. Finally, they had the opportunity of making either of the two instrumental responses in the presence of either stimulus. Transfer was shown as a preference for the response that shared an outcome with the current stimulus. The presentation of the stimulus during the test produced a decrease in the overall rate of response. Responding to a neutral stimulus in Experiments 2 and 3 suggested that this overall decrease in responding was due to a combination of the time needed to process the meaning of the stimulus and the activation of the representation of the outcome in the presence of the stimulus during the test. Transfer between predictive judgments and instrumental responding mirrors the outcome-specific Pavlovian instrumental transfer observed in conditioning studies with rats.  相似文献   

对Hellmann—Feynman定理的讨论     

杨成全  仝庆华 《雁北师范学院学报》1995,(3)

本文介绍Hellmann-Feynman定理,并讨论其应用。  相似文献   

Classroom environment in the implementation of an innovative curriculum project in science education     

Mercedes Surez  Rosa Pías  Pedro Membiela  Dolores Dapía 《科学教学研究杂志》1998,35(6):655-671

A curriculum project can be positively or negatively influenced by the environment of the classroom in which it is implemented. Analysis of the perceptions of students, teachers, and external observers has allowed us to study the influence of classroom environment in the implementation of an innovative project in science education. The main conclusions indicate that even though the global evaluation is positive, more so among teachers than among students, there are differences between the perceptions of the participants, probably due to differences in interests and needs. Moreover, in the classroom environment, the teacher and the actual dynamic and spatial organization are of great importance, and it can be difficult to maintain interest or to achieve a satisfactory evaluation on the part of those students whose academic performance is lowest. © 1998 John Wiley & Sons, Inc. J Res Sci Teach 35: 655–671, 1998.  相似文献   

The politics of school choice in two countries with large private‐dependent sectors (Spain and Chile): family strategies,collective action and lobbying     

Xavier Rambla  Óscar Valiente  Carla Frías 《教育政策杂志》2013,28(3):431-447

In many countries choice of school is an increasing concern for families and governments. In Spain and Chile, it is also associated with a long‐standing political cleavage on the regulation of large sectors of private‐dependent schools. This article analyses both the micro‐ and the macro‐politics of choice in these two countries, where low‐status 15‐year‐old students record a significant segregation. At the micro level, some evidence is provided that not only middle‐class skilful choosers but also the political representatives of private‐dependent schools manage to pursue their interests drawing on economic, social and cultural capital. At the macro level, evidence also shows that the lobbies defending private‐dependent schools can use and maintain these power resources. However, in some episodes collective action is an effective power resource for those who campaign in favour of a stricter regulation of these schools, but its influence is much difficult to maintain for longer periods.  相似文献   

Role of objectively measured sedentary behaviour in physical performance,frailty and mortality among older adults: A short systematic review     

Asier Mañas  Borja del Pozo-Cruz  Francisco José García-García  Amelia Guadalupe-Grau 《European Journal of Sport Science》2017,17(7):940-953

Sedentary behaviour (SB) has recently emerged as an independent risk factor for different health outcomes. Older adults accumulate long time in SB. Understanding the role that SB plays on health is crucial for a successful aging. This short systematic review summarizes the current evidence related to the effects of objectively measured SB on frailty, physical performance and mortality in adults ≥60?years old. The literature search produced 271 records for physical performance (n?=?119), frailty (n?=?31), and mortality (n?=?121). Finally, only 13 articles fulfilled the inclusion criteria and were included in this review. All articles but one included in the physical performance section (n?=?9) showed a negative association between longer time spent in SB and physical performance. A significant association of SB with higher odds of frailty was found, however this association disappeared after adjusting for cognitive status. Lastly, two of the three included studies showed positive associations between SB and mortality, but this effect decreased or even disappeared in the more adjusted models. In conclusion, there is consistency that SB is negatively associated with physical performance. However, the relationship between objectively measured SB and frailty incidence and mortality rates remains unclear and deserves further research. The use of homogenous criteria to assess SB and the inclusion of more robust research designs will help clarifying the independent effects that SB could have on physical performance, frailty, and mortality. This will ultimately help designing more efficient and comprehensive physical activity guidelines for older adults.  相似文献   

Convex combinations of stable polynomials     

S. Białas 《Journal of The Franklin Institute》1985

Sufficient conditions are given under which convex combinations of stable (complex and real) polynomials are stable.  相似文献   

Salvador López Gómez: Apostle of Gymnastics in Spain     

Gonzalo Ramírez-Macías  José P. Sanchís Ramírez 《国际体育史杂志》2016,33(10):1046-1064

Abstract

Salvador López Gómez was a great exponent of gymnastics in Spain in the nineteenth and the twentieth century. His role as a teacher, a writer and even as a law developer who promoted gymnastics deserves a detailed study. For that reason, through primary sources of this era and, specially, papers from López Gómez himself, this paper depicts his long professional career, his conception of gymnastics and the constant efforts, not always properly rewarded, that he made for its social respect and acknowledgement during that time.  相似文献   

Higher education: Vision and action for the coming century     

Marco Antonio Rodrigues Días 《Prospects》1998,28(3):367-375

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