539 research outputs found
Teacher evaluation through observation: Application of classroom observation and student ratings to improve teaching effectiveness in classrooms
No full textDe ene les is de andere niet Meer en meer scholen voeren jaarlijks gesprekken met hun leraren over de kwaliteit van hun lessen. Deze evaluatiegesprekken zijn, als het goed is, gebaseerd op lesbezoeken. Vaak brengt alléén een teamleider één hooguit twee keer per jaar een lesbezoek aan de leraren. Dat is te weinig om betrouwbaar te kunnen vaststellen hoe goed een leraar lesgeeft. Het proefschrift waarop Rikkert van der Lans op 15 mei a.s. promoveert, maakt duidelijk dat de ene les de andere niet is en dat verschillende beoordelaars verschillen in hun oordeel over dezelfde les. Om tot een betrouwbaar en enigszins representatief oordeel over de pedagogisch didactische vaardigheden van een leraar te komen, is één lesbezoek te onbetrouwbaar en zijn er volgens Van der Lans minimaal vier lesbezoeken nodig van bij voorkeur verschillende observatoren. Dit en andere issues rondom de betrouwbaarheid van observeren met lesgedrag komen aan de orde in dit proefschrift. Informatie over het proefschrift ‘Teacher evaluation through observation’ is op te vragen bij [email protected]
Shaping tomorrow’s urban environment today : Environmental Policy Integration in urban planning: the challenges of a communicative approach
No full textThe debate on sustainable development emphasizes the importance of integrating environmental policy into other policy sectors. It is increasingly recognized that such integration is needed at the national, regional and local levels of governance. Hence the Environmental Policy Integration (EPI) principle has been proposed, which is defined as “the incorporation of the environmental objectives into all stages of policy making in non-environmental policy sectors, with the recognition of this goal as the guiding principle for the planning and execution of policy”. Currently EPI is agreed upon in a number of EU commitments and is receiving the attention of urban planning scholars. The achievability of EPI, however, has not yet been well studied, particularly in the urban planning context, while its implementation often seems to be hindered by organizational fragmentation. This thesis assesses the potential role of EPI as an operational principle for achieving sustainable urban development in Europe. It addresses the scientific premises of EPI and the current knowledge gaps in applying it in the urban planning domain. The research combines theoretical and empirical dimensions. The theoretical dimension includes evidence of the current knowledge gap regarding the integration of environmental aspects into urban planning and the emergence of EPI as a promising perspective in urban sustainability research and planning practice. This includes reflections on EPI’s definitions, interpretations and its different approaches. The empirical dimension of the thesis explores evidence regarding the EPI process in actual planning practices, with an assessment of the relevance of different EPI approaches. Based on the exploration of case studies within different planning contexts, the empirical research provides insights into the key challenges and barriers to achieving EPI in urban planning and identifies key success factors for local governments addressing specific environmental issues in urban land-use plans. The key objective of the thesis is, therefore, to explore the responses of planning systems to the current EPI challenges, with the twin goals of gaining insight into the role of EPI in integrating environmental concerns in urban land-use planning processes and of identifying the most promising approaches for achieving EPI. The thesis provides an answer about the potential benefits of, among other approaches, a communicative approach to achieve EPI in urban planning practice.</p
Effects of Roads and Traffic on Wildlife Populations and Landscape Function: Road Ecology is Moving toward Larger Scales
No full textRoad ecology has developed into a significant branch of ecology with steady growth in the number of refereed journal articles, books, conferences, symposia, and "best practice" guidelines being produced each year. The main objective of this special issue of Ecology and Society is to highlight the need for studies that document the population, community, and ecosystem-level effects of roads and traffic by publishing studies that document these effects. It became apparent when compiling this special issue that there is a paucity of studies that explicitly examined higher order effects of roads and traffic. No papers on landscape function or ecosystem-level effects were submitted, despite being highlighted as a priority for publication. The 17 papers in this issue, from Australia, Canada, the Netherlands, and USA, all deal to some extent with either population or community-level effects of roads and traffic. Nevertheless, many higher order effects remain unquantified, and must become the focus of future studies because the complexity and interactions among the effects of roads and traffic are large and potentially unexpected. An analysis of these complex interrelations requires systematic research, and it is necessary to further establish collaborative links between ecologists and transportation agencies. Many road agencies have "environmental sustainability" as one of their goals and the only way to achieve such goals is for them to support and foster long-term and credible scientific research. The current situation, with numerous small-scale projects being undertaken independently of each other, cannot provide the information required to quantify and mitigate the negative effects of roads and traffic on higher levels. The future of road ecology research will be best enhanced when multiple road projects in different states or countries are combined and studied as part of integrated, well-replicated research projects
3D printed realistic finger vein phantoms
No full textFinger vein pattern recognition is an emerging biometric with a good
resistance to presentation attacks and low error rates. One problem is that it
is hard to obtain ground truth finger vein patterns from live fingers. In this
paper we propose an advanced method to create finger vein phantoms using 3D
printing where we mimic the optical properties of the various tissues inside
the fingers, like bone, veins and soft tissues using different printing
materials and parameters. We demonstrate that we are able to create finger
phantoms that result in realistic finger vein images and precisely known vein
patterns. These phantoms can be used to develop and evaluate finger vein
extraction and recognition methods. In addition, we show that the finger vein
phantoms can be used to spoof a finger vein recognition system. This paper is
based on the Master's thesis of Rasmus van der Grift
3D printed realistic finger vein phantoms
No full textFinger vein pattern recognition is an emerging biometric with a good resistance to presentation attacks and low error rates. One problem is that it is hard to obtain ground truth finger vein patterns from live fingers. In this paper we propose an advanced method to create finger vein phantoms using 3D printing where we mimic the optical properties of the various tissues inside the fingers, like bone, veins and soft tissues using different printing materials and parameters. We demonstrate that we are able to create finger phantoms that result in realistic finger vein images and precisely known vein patterns. These phantoms can be used to develop and evaluate finger vein extraction and recognition methods. In addition, we show that the finger vein phantoms can be used to spoof a finger vein recognition system. This paper is based on the Master's thesis of Rasmus van der Grift
Ecopassage Griftenstein bij de N237 : advies voor het ontwerp van de faunapassage en toetsing effecten van vertsoring vanuit de omgeving
No full textIn opdracht van de Provincie Utrecht is een advies opgesteld voor het ontwerp van Ecopassage Griftenstein. Het advies omvat aanbevelingen betreffende het type faunapassage dat aan de eisen van alle doelsoorten voldoet, de dimensies en inrichting van de faunapassage, de dimensies en inrichting van de ecologische verbinding rondom de faunapassage, de positionering van de faunapassage, aanvullende maatregelen rondom de verkeersweg die het functioneren van de faunapassage vergroten en het al dan niet toestaan van recreatief medegebruik. Daarnaast is een toetsing van de effecten van verstoring vanuit de omgeving uitgevoerd. Hierbij zijn de mogelijke gevolgen voor het functioneren van de ecologische verbinding onderzocht van (1) de geplande woningbouw op het Hessingterrein direct ten oosten van de ecologische verbinding en (2) de geplande renovatie van de Werken van Griftenstein direct ten westen van de ecologische verbinding. Tevens zijn mitigerende maatregelen voor de effecten van verstoring verken
Monitoringplan Natuurverbinding Kennemerland : Advies voor het monitoren van de werking en effectiviteit van een natuurverbinding
No full textDe provincie Noord-Holland heeft Wageningen Environmental Research (WENR) gevraagd om een monitoringplan op te stellen op basis waarvan het functioneren van Natuurverbinding Kennemerland kan worden onderzocht, inclusief de natuurbruggen Zandpoort, Duinpoort en Zeepoort. Het monitoringplan richt zich op: (1) de vegetatieontwikkeling op en direct rond de natuurbruggen, (2) het gebruik van de natuurbruggen door de verschillende diergroepen en (3) de effectiviteit van de ontsnipperende maatregelen in het terugdringen van de versnipperingsproblemen ‘barrièrewerking’ en ‘sterfte door aanrijdingen’
Der Block der Heimatvertriebenen und Entrechteten (1950-1961)
No full textSeit der Wiedervereinigung Deutschlands beruht auf der Vertriebenenforschung nicht mehr das Tabu, das zuvor herrschte. Deutsches Leid ist mehr und mehr zum Thema öffentlicher Debatten geworden. Das deutsche Leid wurde jedoch in den 1950er Jahren bereits im Bundestag besprochen, weil es eine politische Partei, namens den Block der Heimatvertriebenen und Entrechteten, gab. Zu dieser Partei gibt es wenig Forschung und es gibt verschiedene Ansichten über die Partei: Einerseits wird ihr Niedergang anhand großer Erfolge der Eingliederung der Vertriebenen, andererseits durch Radikalisierung der Partei erklärt. Diese Arbeit befasst sich mit der Frage, wie der Niedergang des Blockes der Heimatvertriebenen und Entrechteten zu erklären ist und wie sie sich ergeben hat. In erster Linie ist die erfolgreiche Eingliederung der Vertriebenen in die westdeutsche Gesellschaft als Faktor zum Niedergang zu nennen und daneben die Ta! tsache, d ass die Partei später in radikaleren Standpunkten eine neue Orientierung fand, was die Wähler nicht überzeugen konnte. Der Niedergang des Blockes der Heimatvertriebenen und Entrechteten hat also stark mit der erfolgreichen Eingliederung der Vertriebenen und der darauf folgenden Radikalisierung der Partei zu tun gehabt
Nut en noodzaak van ontsnippering van de N237
No full textGerichte informatie rond modelberekeningen, noodzaak, bestuurlijk draagvlak, locatie en ontwerp van de groene verbinding Corridor Leusderheid
3D Printed Realistic Finger Vein Phantoms
No full textFinger vein pattern recognition is an emerging biometric with a good resistance to presentation attacks and low error rates. One problem is that it is hard to obtain ground truth finger vein patterns from live fingers. In this paper we propose an advanced method to create finger vein phantoms using 3D printing where we mimic the optical properties of the various tissues inside the fingers, like bone, veins and soft tissues using different printing materials and parameters. We demonstrate that we are able to create finger phantoms that result in realistic finger vein images and precisely known vein patterns. These phantoms can be used to develop and evaluate finger vein extraction and recognition methods. In addition, we show that the finger vein phantoms can be used to spoof a finger vein recognition system. This paper is based on the Master's thesis of Rasmus van der Grift.</p
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