136 Works

Participatory Design of a Social Robot Toolkit for and with Adults with Autism

Suhaib Aslam
Autism impacts around 5 million people in the EU (Autism-Europe). Research has shown that social robots, due to their deterministic nature, simplified appearance and technological capabilities, can enable therapy or become assistive technology for empowering autistic individuals with household activities. Consequently, toolkits have emerged for prototyping social robots. Regarding such toolkits, there is a methodological, inclusion gap: there is no comprehensive co-design process to include cognitively disadvantaged users in decision-making regarding robots’ fundamental design choices....

Are Paid Influencers Bad Influencers?

Philippa Josefsson, Lou Rougié & Iris Verboom
This research paper aims to explore the effect of source credibility on persuasion of a message recipient, and how authenticity mediates this relationship. We begin with an introduction to the research question, a discussion on the managerial relevance of this topic and the theoretical background. We outline variables and the research strategy, and develop an experimental design. The study goes on to analyze responses collected from 125 students at Erasmus University. Disclosure of incentives has...

Historical consciousness and Hanseatic identity in Deventer 1578-1672

Kerrewin Van Blanken
This article considers the Deventer identification with the Hanse as an interregional identity that for the most part existed outside the borders of the Dutch Republic, in order to nuance and extend the discussion on the formation of a proto-national Dutch identity in the seventeenth century. There will be a particular focus on the role of history writing and conceptions of time in relation to seventeenth century identity formation.

KENNIS IS MACHT, KENNIS DELEN IS KRACHT Een kwalitatief onderzoek naar de kennisdeling binnen kennisveld Natte Kunstwerken bij Rijkswaterstaat

Pamela Daccache
Wegens de nieuwe technologieën en innovaties in de bouwsector is het verzamelen, waarborgen en ontwikkelen van kennis essentieel. Het waarborgen en delen van kennis kunnen leiden tot innovatieve oplossingen en houden een organisatie kennisrijk, ondanks uitstroom van mensen met kennis. Volgens het kernteam van de afdeling Natte Kunstwerken bij Rijkswaterstaat kan de mate waarin er kennis geborgd en gedeeld wordt beter en efficiënter. Het doel van deze studie is om de knelpunten van kennisdeling betreffende...

Performance Practice of Schubert’s Last Piano Sonata

Irene Comesaña Aguilar
Considered nowadays a milestone among some pianists’ repertoire, Franz Schubert’s Sonata in B flat Major is not only remarkably long and complex in structure, but also full of details that make this piece worthy of a deeper study. Nevertheless, the Sonata was only re-discovered by the Russian School of the 20th Century, establishing a very specific performance practice of it that was not concerned with historical approach. This paper aims to analyze different sources from...

Bridging the value-action gap: Compliance with Kyoto in the Environmental Liability Directive

Nick Doggen
This paper analyses compliance with the 2004/35/CE Environmental Liability Directive (ELD) in Sweden, the United Kingdom, Greece and Italy. Their compliance with the ELD reflects in how far pro-environmental ‘actions’ have been taken. Comparing compliance with environmental statements or ‘values’ made in their national parliaments displays to what extent there is a mismatch between values and actions, or a ‘value-action gap’. The four countries each represent one of the Four Worlds of Implementation, a model...

A Semi-Analytical Solution to the Schr ¨ odinger Equation with Gaussian Well

Achim Byl
This paper proposes a new semi-analytical solution of the Schr¨odinger equation with Gaussian well. The approach is based on the harmonic oscillator and yields both the energy and the wave function for any specific eigenstate. Furthermore, the semi-analytical solution is compared to methods found in the literature and the Split-Operator method and deemed accurate.

The Relationship between ASD Symptomology, Performance, Experienced Problems and Benefits in Problem Based Learning (PBL) Curricula

Kristel De Groot
The attention for supporting students with Autism Spectrum Disorders (ASDs) at university has recently grown. However, no research to date has looked into the fit between ASD and a specific form of education, Problem-Based Learning (PBL). The current study uses a newly developed questionnaire that focuses on the four elements of PBL: constructive, self-directed, collaborative, and contextual learning. The questionnaire showed to be highly reliable. Although higher ASD symptomology predicted reported experience of more problems...

Sediment ecotoxicity of the insecticide lufenuron to benthic macroinvertebrates

Lucas Jollie
Pesticides such as lufenuron are widely used in agriculture to preserve crops and maximize harvests. The application of lufenuron might cause it to inadvertently end up in surrounding ecosystems and causing unwanted damage. To assess the potential ecological damage and the fate of lufenuron, sediment toxicity tests using spiked sediment were performed, as well as a sediment aging test. Chironomids appeared as the most sensitive species and the toxicity of lufenuron decreased faster than previously...

Water quality in the Upper Citarum River Basin: towards a better understanding of a heavily polluted catchment

Kees Van Ginkel
The Upper Citarum River Basin is a heavily polluted catchment on West Java, Indonesia. Policy makers and scientist show increasing interest for the issue, but there is no recent scientific study that gives an overview of the current state of the river basin. In this paper, the six drivers of the water quality problem are described by system analysis, tracing them back to weak social and governmental institutions. Stakeholder analysis reveals a strong mismatch between...

Afvalwater als alternatief voor ruwe aardolie: feit of fictie?

Bert Biesemans, Laura De Saedeleer, Laura Truyens & Christophe Naessens
In rioolwaterzuiveringsinstallaties kan met een fijnzeef cellulose van de afvalstroom worden afgescheiden. Het is mogelijk om vertrekkend van deze cellulose bio-ethanol te produceren. In dit project werd een methode voor de productie van bio-ethanol uit afgezeefde cellulosevezels ontworpen en uitgebreid getest. Deze methode verloopt in twee stappen: een enzymatische hydrolysestap met het enzym Celluclast® en een fermentatie met de gist Saccharamocyes cerevisae. Beide stappen zijn experimenteel onderzocht en kunnen middels een Michaelis-Menten kinetiek beschreven worden....

The influence of measurement density on micro-instability testing

Nika Daling
Protection from water flooding by dikes is an important issue in the Netherlands. Therefore dikes have to be regularly tested for possible failure, for example caused by micro-instability. Micro-instability occurs in the upper layer of the dike, due to water flowing through it. The goal of this research was to determine the influence of the measurement density on safety assessment of river dikes for micro-instability and in addition to give a confidence interval for these...

Een Positieve Kijk op Emoties van Docenten in het Voortgezet Onderwijs

Suzanne Van Hoogstraten, Kim Severien & Maaike Van Der Veen
In het beroep van een docent is de emotionele betrokkenheid en de relatie met de leerlingen van groot belang. De emotionele betrokkenheid is enerzijds een motivatie voor dit beroep, anderzijds kan het ook voor stress zorgen. De huidige studie, onder 21 docenten in het voortgezet onderwijs, onderzoekt of en hoe sterk de voorkeur voor emotieregulatie, de emotieregulatiestrategie en de docent-leerling relatie samenhangen met de mate van bevlogenheid. De emotieregulatiestrategie reappraisal bleek een significante samenhang te...

Does pupil dilation indicate cognitive dissonance and strength of attitude change? Replicating the spreading of alternatives effect in a blind-choice task.

Alexander Fries & Sebastiaan Mathôt
The aim of the present research was twofold. First, we aimed to replicate a recent study by Sharot et al. (2010), which found evidence for the spreading of alternatives (SOA) effect. Second, we investigated the hypothesis that cognitive dissonance, which may explain an existing SOA effect, is accompanied by significant changes in pupil diameter. Our results provide neither support for this hypothesis nor do they replicate the SOA effect. We conclude that more research is...

Optimalisatie van een kraakbeen- en botkleuring in de zebravislarve

Jente Hoyberghs
Zebravisembryo’s worden door verschillende farmaceutische bedrijven gebruikt als een alternatief model om teratogene stoffen te detecteren. In vergelijking met dierproeven in zoogdieren komen echter nog steeds vals-negatieve resultaten voor, waardoor teratogene stoffen gemist worden tijdens de geneesmiddelenontwikkeling. In het zebravismodel worden nog geen skeletale eindpunten bekeken in tegenstelling tot studies in zoogdieren. Het doel van deze studie was om een dubbelkleuring op punt te stellen waarbij kraakbeen en bot in zebravislarven kan worden geëvalueerd. Uit...

Cyclisch leren en onderwijzen van woordenschat

Josien Boetje
Het woordenschatonderwijs Spaans op het Revius Doorn bereikte niet het gewenste effect dat leerlingen het aangereikte vocabulaire op middellange termijn onthouden en kunnen activeren. Om dit probleem aan te pakken werd een woordenschatcompetitie ontwikkeld en getest, waarbij leerlingen 4 weken beloond werden om buiten de lessen cyclisch te herhalen. Uit de productevaluatie bleek dat leerlingen: i) extra gemotiveerd waren om eerder met leren te beginnen, ii) meer op de middellange termijn onthielden (p

Impact modifiers als high-tech toepassing van RAFT polymerisatie

Astrid Clarysse, Thibo Clicteur, Bram Kemseke, Fabian Van Den Bosch & Mieke Van De Velde
Schokweerstand is één van de belangrijkste eigenschappen van een kunststof voor succesvol gebruik in allerlei toepassingen. Om de schokweerstand te boosten, kan een impact modifier (zie Figuur 1) in de vorm van core-shell nanodeeltjes toegevoegd worden aan kunststoffen. De productie van deze core-shell nanodeeltjes is echter niet vanzelfsprekend en vergt het gebruik van een gecontroleerde polymerisatietechniek, namelijk reversibele additie-fragmentatie ketentransfer (RAFT) polymerisatie, in emulsie. Als RAFT-specifiek reagens worden xanthaten aangewend. Ondanks een verminderde controle over...

Structural characterization and activation of nature’s fuels of life

Rianne Van Outersterp
Hydrolysis of nucleotide triphosphates (NTPs) is known to drive highly important cellular processes. Of these NTPs, adenine triphosphate (ATP) is mainly studied as it is concerned to be the central fuel of living cells. Gas-phase studies have been performed to elucidate the conformational preference of NTPs focusing on the dependence of the nucleobase and extent of deprotonation. Therefore, a combination of infrared (IR) spectroscopy and mass spectrometry has been applied to ATP, CTP and GTP....

ID.alistic: identificatie met een touch voor de patiënt

Maarten Zijlmans, Marcel Wilschut & Linda Wauben
ID.alistic is een conceptuele patiëntidentificatie methode (middels een vingerafdrukscanner), ter vervanging van het polsbandjessysteem van het Albert Schweitzer ziekenhuis (ASz) dialysecentrum. Dit onderzoek bepaalt de implementeerbaarheid van ID.alistic binnen het dialysecentrum door behoefteanalyse, risicoanalyse en het testen van een prototype. Dialysepatiënten en -verpleegkundigen zien ID.alistic graag geïmplementeerd. ID.alistic draagt grotere risico’s met zich mee dan het polsbandje, alhoewel deze risico’s vermijdbaar zijn. Uit de test bleek dat een optische vingerafdrukscanner niet geschikt was, omdat de...

Wave attenuation by vegetation applied on dike design

Joost Remmers
Wave attenuation by vegetation on the foreland can reduce hydraulic loads on dikes. Literature study showed the reliability issues within several methods. The currently most popular method is based largely on an empirical constant, called the bulk drag coefficient. Several datasets were analyzed to find a relation for this coefficient. With the use of this data a quantitative method and tool was developed for computations of this effect. The impact of the vegetation on the...

Adjusted Grid Search to Find Hyper-parameters in SARIMAX Models: Efficiently Filling The Shelves in Kruidvat Stores

William Steenbergen
Replenishment processes, promotions and assortment choices in retail are determined by forecasting sales. Sales are affected by external factors such as seasonality, weather or promotions. This relationship can differ per store or product. Currently, researchers focus on developing a SARIMAX model for one product and store specifically to predict sales, and the novelty of this research is that it develops an algorithm that automates SARIMAX modeling to allow for model generation tailored to a store...

State Aid in Europe

Jan Philip Böckers
The effect of state aid has been widely discussed in the existing literature from a policy makers point of view, yet the business perspective on obtaining state aid has not. This paper attempts to shed light on this viewpoint by examining potential factors affecting the aid intensity of state aid in Europe. It finds that the extent of state aid differs between countries, governing parties and the type of aid. Furthermore, it finds a general...

Overweight Mothers with Stunted Children

Christiaan Van Den Berg & Sebastiaan Van Kooten
This paper investigates prevalence of stunted child-overweight mother pairs using cross-sectional data (N=89,941) from 17 Low- and Middle-Income Countries. We examine the association of this ‘Double Burden of Malnutrition’ (DBM) with wealth, urbanisation and education. DBM is present in roughly 7% of all households studied. Pooled logistic regressions reveal that the probability a child-mother pair exhibits DBM increases as the mother is older and less educated, the child is older and male, and the household...

Are openness to trade and regional integration good for the environment?

Dang Minh Hang
Using a 26-year panel data set from 1990 to 2015, this paper aims to investigate the effects of openness to trade and regional integration among ASEAN+3 countries. With the application of fixed-effects model, trade, foreign direct investment, and regional environmental agreements beneficially affect the environment in this region, indicated by the reduction in carbon and greenhouse gas emission and forest gain. The empirical evidence supports intra-regional incentives for more trade liberalization and deep integration. Positive...

Underwater Sound Filtering

Ines Simic
The cocktail party algorithm is one of the most used algorithms for source separation of sound. The algorithm aims to find an automated solution for a problem that everyone experiences regularly, namely how to make oneself heard in a noisy environment. The CP algorithm picks up the sound from different microphones, and applies smart filters once the system has determined which sounds originate from the same source.This problem also becomes topical when developing sensors based...

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