Worldwide, an increasing number of students seek private supplementary tutoring, known as ‘shadow education.’ Various studies report social class differences in the use of shadow education. High-SES families may invest in shadow education as a form of concerted cultivation, seeking to improve their children’s school achievement. In this study, we apply meta-analytic structural equation modeling to explore relationships between parental education, income, and the use of shadow education across nations and educational contexts. We find robust relationships between parental education, income and the use of shadow education. Moreover, we assess a mediating role of shadow education in the relationship between SES and achievement. Shadow education appears to fulfill a competitive function for privileged families who seek to secure advantage in educational competition. We conclude that educational research, particularly research concerned with inequality of opportunities, needs to take account of the progressively prominent position of shadow education in the educational landscape.
This paper will describe the rationale and findings from a multinational study of online uses and gratifications conducted in the United States, Korea, and the Netherlands in spring 2003. A survey research method of study was conducted using a questionnaire developed in three languages and was presented to approximately 400 respondents in each country via the Web. Web uses and gratifications were analyzed cross-nationally in a comparative fashion and focused on the perceived involvement in different types of on-line communities. Findings indicate that demographic characteristics, cultural values, and Internet connection type emerged as critical factors that explain why the same technology is adopted differently. The analyses identified seven major gratifications sought by users in each country: social support, surveillance & advice, learning, entertainment, escape, fame & aesthetic, and respect. Although the Internet is a global medium, in general, web use is more local and regional. Evidence of media use and cultural values reported by country and online community supports the hypothesis of a technological convergence between societies, not a cultural convergence.
In this study, we investigated the effects of wearing a police uniform and gear on officers’ performance during the Physical Competence Test (PCT) of the Dutch National Police. In a counterbalanced within-subjects design, twenty-seven police officers performed the PCT twice, once wearing sportswear and once wearing a police uniform. The results showed clear indications that wearing a police uniform influenced the performance on the PCT. Participants were on average 14 seconds slower in a police uniform than in sportswear. Furthermore, performing the test in uniform was accompanied by higher RPE-scores and total physiological load. It seems that wearing a police uniform during the test diminishes the discrepancy between physical fitness needed to pass the simulated police tasks in the PCT and the job-specific physical fitness that is required during daily police work. This suggests that wearing a police uniform during the test will increase the representativeness of the testing environment for the work field.
National forestry Commission (SBB) and National Park De Biesbosch. Subcontractor through NRITNational parks with large flows of visitors have to manage these flows carefully. Methods of data collection and analysis can be of help to support decision making. The case of the Biesbosch National Park is used to find innovative ways to figure flows of yachts, being the most important component of water traffic, and to create a model that allows the estimation of changes in yachting patterns resulting from policy measures. Recent policies oriented at building additional waterways, nature development areas and recreational concentrations in the park to manage the demands of recreation and nature conservation offer a good opportunity to apply this model. With a geographical information system (GIS), data obtained from aerial photographs and satellite images can be analyzed. The method of space syntax is used to determine and visualize characteristics of the network of leisure routes in the park and to evaluate impacts resulting from expected changes in the network that accompany the restructuring of waterways.
Wereldwijd groeit de consumptie van grondstoffen, zowel om te voorzien in onze energiebehoefte als in onze materiaalbehoefte. De gebouwde omgeving speelt hier een significante rol in, goed voor 40% van de energieconsumptie en 50% van de materiaalconsumptie. Deze vraag aan grondstoffen leidt tot schaarste, uitputting, en negatieve milieueffecten, zoals klimaatverandering. Om de consumptie van grondstoffen en gerelateerde negatieve effecten te verminderen heeft Nederland de doelstelling geformuleerd om tot 2050 de gebouwde omgeving geheel CO₂ neutraal te maken en de economie 100% circulair te maken. In een CO2 neutrale en circulair gebouwde omgeving is de gehele energiebehoefte gebaseerd op hernieuwbare energie, en worden alle materialen oneindig hergebruikt of zijn ze onderdeel van een biologisch proces. Dit impliceert dat bouwprocessen anders doorlopen moeten worden, er andere bouwproducten en -componenten beschikbaar moeten komen en er andere competenties gevraagd worden van onze aankomende bouwprofessionals. In de stadsregio Parkstad Limburg speelt een derde opgave; door krimp en vergrijzing moeten er 10.000 woningen en 100.000 m2 utiliteit/retail uit de markt onttrokken worden. De samenkomst van deze drie opgaves resulteert dan ook in de uitdaging hoe we de bestaande gebouwvoorraad CO2 en circulair kunnen verduurzamen met ten eerste regionaal vrijkomende materialen en ten tweede door het inzetten van zo lokaal mogelijke biobased materialen. In de faculteit BETA Sciences and Technology werken we in 2 lectoraten en 5 programmalijnen aan deze opgaves door alle schaalniveaus van de bouwproces. De doelstelling van het postdoconderzoek van Michiel Ritzen richt zich op het opzetten van een programmalijn circular building technology om hieraan mede bij te dragen. De programmalijn geeft invulling aan de kennisontwikkeling en disseminatie op een ontbrekend onderdeel in een real life lab omgeving, met het ontwikkelen en valideren van innovaties die nodig zijn om vrijkomende bouwmaterialen hoogwaardig her te gebruiken en/of te recyclen in CO2 neutrale en circulaire gebouwrenovaties.
As climate change accelerates, rising sea levels pose challenges for low-lying nations like the Netherlands. Floating developments (such as homes, solar parks, and pavilions) are considered the most climate adaptative solution for the future, but the effects on the environment are unknown which is holding back this floating transformation. Since public and private partners are not able to answer questions on the effect of floating urbanisation on the environment and water quality based on speculations by models without field data, permits are given only after proof that ecological & water quality will not affected (also EU warnings ‘deteriorating’ water quality (UvW 2025, EU 2025). This proposal aims to develop an innovative autonomous docking station for aquatic drones, enhancing environmental monitoring of floating structures. Only a few monitoring campaigns measured the impact of small floating structures (small structures and only basic parameters). Traditional monitoring methods rely on manual sampling and static sensors, which are costly, labour-intensive, and provide delayed results. A new study, led by Hanze with Gemeente Rotterdam, Waternet (Gemeente Amsterdam) and Indymo, will assess the impact of new large-scale floating developments with a new method. Autonomous aquatic drones improve data resolution but face operational challenges such as battery life and data retrieval. An innovating docking station will address these issues by enabling drones to recharge, offload data, and perform continuous missions without human intervention. Advanced tools—including aquatic drones, 360-degree cameras, sonar imaging, and real-time sensors—will collect high-resolution environmental data also monitoring biodiversity and bathymetry. The proposed docking station will support real-time sensor networks, allowing for spatial and temporal data collection. It will improve the (cost) efficiency and quality of long-term environmental monitoring, providing insights into water quality dynamics and underwater ecosystems in Rotterdam and Amsterdam as an international example of floating development in the battle of climate change.
