Reforms in higher education: The case of Chile in the 1980s   总被引：1，自引：0，他引：1  

Beatriz Fried  Mario Abuhadba 《Higher Education》1991,21(2):137-149

The impact of the 1981 reforms on the system of higher education in Chile is described and analyzed. The system has been diversified by the encouragement of private universities, the creation of professional institutes and the establishment of centers for technical formation. Changes in the funding system have, however, led to problems with student loan recovery and to private universities concentrating on subjects with low costs. Though the participation rate has greatly increased, the existence of empty places, especially in the newer private universities, is evidence of over-provision.  相似文献   

Das MeDoc-System – ein elektronischer Publikations- und Nachweisdienst für die Informatik     

Dietrich Boles  Markus Dreger  Kai Gro?johann  Cornelia Haber  Andreas Kusserow  Stefan Lohrum  Dirk Menke  Jochen Meyer  Gerhard M?ller und Ricarda Weber 《Informatik - Forschung und Entwicklung》1998,13(3):110-121

Zusammenfassung.   Ziele des MeDoc-Projektes waren die Konzeption, prototypische Entwicklung und Erprobung volltextbasierter Informations- und Publikationsdienste für die Informatik, um den Informationsaustausch und die Literaturversorgung in der Wissenschaft effektiver gestalten zu k?nnen. Dazu wurde im Rahmen des Projektes ein internet-basiertes System entwickelt, in dem Informatik & Fachinformation im Volltext gespeichert, recherchiert, abgerufen und gelesen werden kann und das die Suche nach Informatik-Literatur in heterogenen, verteilten Informationsquellen im Internet unterstützt. Das Informationsangebot ist dabei teilweise kostenpflichtig. In diesem Artikel werden Ziele, Funktionalit?t und Architektur des MeDoc-Systems beschrieben. Eingegangen am 19. Januar 1998 / Angenommen am 27. April 1998  相似文献   

The Economics of Sensationalism: The Lack of Effect of Scandal-Reporting on Business Outcomes     

Brinja Meiseberg  Jochen Lengers  Thomas Ehrmann 《Journal of Media Economics》2016,29(1):4-15

It goes nearly unchallenged that ambition for increased demand and therefore commercial forces induce newspapers to engage in sensationalism. However, who actually benefits, and to what extent, by reporting on alleged scandals remains largely unclear. Accordingly, this study evaluates the business outcomes of the most spectacular German scandal in recent decades. The results provide an explanation for an intentional lack of high-quality journalism; whereas news corporations, as well as advertisers, come away empty-handed, sensationalism seems to be incited by self-seeking journalists.  相似文献   

Some reflections on mathematics classroom notebooks and their relationship to the public and private nature of student practices     

Michael N. Fried  Miriam Amit 《Educational Studies in Mathematics》2003,53(2):91-112

This article considers students' classroom notebooks, their character and their role in learning. The results presented were found within the frame work of a broader international project, the Learners Perspective Study, whose goal is to identify classroom practice from the students' point of view. Two 8^thgrade classrooms were studied. In each,every lesson over the course of three weeks was videotaped. After each lesson, two students were interviewed and their notebooks entrees for that lesson were photocopied; once a week, the teacher was interviewed as well. From the analysis of the data it became apparent that the notebook in the classroom is a publicobject; it is ever open for inspection and contains only finished work. That it is not a private object in which the student may freely record preliminary ideas, musings, and reflections may affect student learning negatively. The categorization of public and private as a categorization of learning activities is discussed. The relationship between the findings on notebooks and research on writing and classroom journals is discussed; in particular, a connection is made between public and private domains and transactional and expressive writing,respectively. This revised version was published online in July 2006 with corrections to the Cover Date.  相似文献   

Using Smartphones as Experimental Tools—a Follow-up: Cognitive Effects by Video Analysis and Reduction of Cognitive Load by Multiple Representations     

Hochberg  Katrin  Becker  Sebastian  Louis  Malte  Klein  Pascal  Kuhn  Jochen 《Journal of Science Education and Technology》2020,29(2):303-317

Journal of Science Education and Technology - Mobile devices (smartphones or tablets) as experimental tools (METs) offer inspiring possibilities for science education, but until now, there has been...  相似文献   

Revisiting the Role of Worries in Explaining the Link Between Test Anxiety and Test Performance     

Schillinger  Frieder L.  Mosbacher  Jochen A.  Brunner  Clemens  Vogel  Stephan E.  Grabner  Roland H. 《Educational Psychology Review》2021,33(4):1887-1906

Educational Psychology Review - The inverse relationship between test anxiety and test performance is commonly explained by test-anxious students’ tendency to worry about a test and the...  相似文献   

Plant cell cultures—a future source of natural products?     

Jochen Berlin 《Endeavour》1984,8(1):5-8

Plant cell cultures are a potential source of commercially important compounds, but although technical problems seem to be relatively easy to solve there are several biological hurdles still to be overcome. An analysis of the state of the art shows that a breakthrough can be expected only if research is intensified on unravelling the regulatory controls in the biosynthesis of natural products. The knowledge gained might then be used to manipulate the expression of secondary metabolism by the techniques of genetic engineering.  相似文献   

Reliability and validity of a soccer passing test using the Footbonaut     

Christian Saal  Jochen Zinner  Harald Fiedler  Ralf Lanwehr  Jürgen Krug 《Sportwissenschaft》2018,48(3):334-340

The aim of this study was to investigate the reliability and validity of a soccer short passing test using the Footbonaut training system. Forty-eight young skilled soccer players and 31 lesser-skilled soccer players completed a test and a retest, each involving four sessions a day of a Footbonaut short passing test (FSPT). We found significant differences in mean execution times for skilled (mean [M]?=?2487, standard deviation [SD] ?=?155) and lesser-skilled players (M?=?2682, SD?=?176) but no significant difference in accuracy (M?=?74.13, SD?=?7.65; M?=?72.19, SD?=?8.13) between groups. The results from linear mixed-effects models show that there were no significant effects of repeated measurements on execution time. In contrast, we found an estimated increase of 0.86% in accuracy per session for both groups. In conclusion, the FSPT offers a reliable and valid method to differentiate young soccer players at different competitive levels, using execution time.  相似文献   

Prospective analysis of technological innovation systems: Identifying technological and organizational development options for biogas in Switzerland   总被引：1，自引：0，他引：1  

Jochen Markard  Martin Stadelmann  Bernhard Truffer 《Research Policy》2009,38(4):655-667

In this article, we put forward a concept for the identification and analysis of future development options of technological innovation systems. The key element of our approach, the so-called variation analysis, is a methodology to identify coherent socio-technical and organizational variants within a specific innovation field. Consistent combinations of these two dimensions may be interpreted as nuclei for alternative future developments of innovation systems. The method may be used in discursive foresight processes to inform strategy formulation of firms or policy makers who see a utility in furthering the innovation field. The paper has a focus on developing the theoretical background and the analytical structure of the methodology. Empirically, we illustrate the method for the innovation system of biomass digestion in Switzerland.  相似文献   

A GLOBE Collaboration to Develop Land Cover Data Collection and Analysis Protocols     

Becker  Mimi Larsen  Congalton  Russell G.  Budd  Rebecca  Fried  Alan 《Journal of Science Education and Technology》1998,7(1):85-96

Global Learning and Observations to Benefit the Environment (GLOBE) is an international environmental education and science partnership which coordinates the work of students (aged 5 to 18), teachers and scientists from 48 countries on five continents to study and better understand the global environment. Accurate ground reference data is fundamental to the use of remotely sensed data for land cover classification and mapping. Because very little ground reference data has been collected, the accuracy of many land cover maps may be questioned, thus accurate land cover ground reference data is an important need that could be addressed through GLOBE scientist-student collaboration. If earth systems scientists are to use student data, it is important that those data be as accurate as possible to ensure reliability of research results. Thus a key question for this research is whether student collected data are accurate enough to support rigorous scientific investigations. This paper describes results of the GLOBE Science-Education Team on Data Validation and Accuracy Assessment's collaboration with teachers and students to: (1) design and test the pre-protocol learning activities; (2) test the protocols intended to guide the collection and analysis of data; and (3) implement the learning activities and protocols to determine the relative accuracy of student collected versus professionally collected land cover data. To ensure the most accurate classification of land cover possible, a new international hierarchical land cover classification system, the Modified Unesco Classification (MUC) system was developed. GLOBE Data Collection Protocols and methods were designed and implemented to test the accuracy of student collected reference data were designed and implemented. Students who collected land cover reference data using GLOBE protocols, obtained data which are at least as accurate as that collected by professionals.  相似文献