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See detailAgency, materiality, and relations in intra-action in a kindergarten science investigation
Haus, Jana; Siry, Christina UL

in Milne, Catherine; Scantlebury, Kate (Eds.) Material practice and materiality in science education (in press)

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See detailThe English and German versions of the Lesbian, Gay, and Bisexual Identity Scale: Establishing measurement invariance across nationality and gender groups
Niepel, Christoph UL; Greiff, Samuel UL; Mohr, Jonathan et al

in Psychology of Sexual Orientation and Gender Diversity (in press)

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See detailLessons from social network analysis to Industry 4.0
Omar, Yamila UL; Minoufekr, Meysam UL; Plapper, Peter UL

in Manufacturing Letters (in press)

With the advent of Industry 4.0, a growing number of sensors within modern production lines generate high volumes of data. This data can be used to optimize the manufacturing industry in terms of complex ... [more ▼]

With the advent of Industry 4.0, a growing number of sensors within modern production lines generate high volumes of data. This data can be used to optimize the manufacturing industry in terms of complex network topology metrics commonly used in the analysis of social and communication networks. In this work, several such metrics are presented along with their appropriate interpretation in the field of manufacturing. Furthermore, the assumptions under which such metrics are defined are assessed in order to determine their suitability. Finally, their potential application to identify performance limiting resources, allocate maintenance resources and guarantee quality assurance are discussed. [less ▲]

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See detailThe discourse structure of literature review paragraphs: a multilingual study
Deroey, Katrien UL; Huemer, Birgit UL; Lejot, Eve UL

in Schreibwissenschaft (in press)

This paper examines literature reviews in 12 master’s dissertations written in German, English and French. Specifically, we analysed the discourse structure of 155 paragraphs to assess the extent to which ... [more ▼]

This paper examines literature reviews in 12 master’s dissertations written in German, English and French. Specifically, we analysed the discourse structure of 155 paragraphs to assess the extent to which students manage to write a coherent review combining literature reports with their own ‘voice’. The study was motivated by the design of a multilingual academic writing course at the University of Luxembourg Language Centre. The analysis distinguished three main discourse elements, nl. report, discussion and text orientation. The data reveal considerable variation in the frequency with which these combine to form different paragraph types. However, in all three languages, report discourse uses the same quotation and reformulation strategies and tends to employ ‘list’ structures with few cohesive links. Discussion elements are generally not elaborated and the writer’s voice is weak. Text organization uses the same linguistic strategies and is mainly used to orientate readers rather than to summarize or signal transitions. Pedagogical implications for multilingual academic writing courses are discussed. [less ▲]

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See detailDoes cargo matter? The impact of air cargo operations on departure on-time performance for combination carriers
Lange, Anne UL

in Transportation Research. Part A, Policy and Practice (in press)

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See detailResearch on Meaning Making in Luxembourgish Primary Science Education: Implications of a Space-Time-Analysis
Andersen, Katja Natalie UL

in Siry, Christina; Schreiber, Catherina; Gomez Fernandez, Roberto (Eds.) et al Critical methodologies for researching teaching and learning (in press)

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See detailSchool Attitude and Perceived Teacher Acceptance: Developmental Trajectories, Temporal Relations, and Gender Differences
Arens, Anne Katrin; Niepel, Christoph UL

in British Journal of Educational Psychology (in press)

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See detailCritical voices in science education research: Narratives of academic journeys
Bazzul, Jesse; Siry, Christina UL

Book published by Sense / Brill (in press)

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See detailLet’s Open the Decision-Making Umbrella: A Framework for Conceptualizing and Assessing Features of Impaired Decision Making in Addiction
Rochat, Lucien; Maurage, Pierre; Heeren, Alexandre et al

in Neuropsychology Review (in press)

Decision-making impairments play a pivotal role in the emergence and maintenance of addictive disorders. However, a sound conceptualization of decision making as an umbrella construct, encompassing its ... [more ▼]

Decision-making impairments play a pivotal role in the emergence and maintenance of addictive disorders. However, a sound conceptualization of decision making as an umbrella construct, encompassing its cognitive, affective, motivational, and physiological subcomponents, is still lacking. This prevents an efficient evaluation of the heterogeneity of decision-making impairments and the development of tailored treatment. This paper thus unfolds the various processes involved in decision making by adopting a critical approach of prominent dual- or triadic-process models, which postulate that decision making is influenced by the interplay of impulsive-automatic, reflective-controlled, and interoceptive processes. Our approach also focuses on social cognition processes, which play a crucial role in decision making and addictive disorders but were largely ignored in previous dual- or triadic-process models. We propose here a theoretical framework in which a range of coordinated processes are first identified on the basis of their theoretical and clinical relevance. Each selected process is then defined before reviewing available results underlining its role in addictive disorders (i.e., substance use, gambling, and gaming disorders). Laboratory tasks for measuring each process are also proposed, initiating a preliminary process-based decision-making assessment battery. This original approach may offer an especially informative view of the constitutive features of decision making impairments in addiction. As prior research has implicated these features as risk factors for the development and maintenance of addictive disorders, our processual approach sets the scene for novel and transdiagnostic experimental and applied research avenues [less ▲]

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See detailTime for a Plot Twist: Beyond Confirmatory Approaches to Binge-Watching Research
Flayelle, Maèva UL; Maurage, Pierre; Vögele, Claus UL et al

in Psychology of Popular Media Culture (in press)

The advent of the digital age with its progress in digital technology has been associated in recent years with an increase in binge-watching (i.e., seeing multiple episodes of the same TV series in one ... [more ▼]

The advent of the digital age with its progress in digital technology has been associated in recent years with an increase in binge-watching (i.e., seeing multiple episodes of the same TV series in one session). Binge-watching has now become the new normative way to consume TV shows. Nevertheless, along with its recent massive rise has come concerns about the associated mental and physical health outcomes. Currently available results suggest the potential harmfulness and even addictive nature of binge-watching. The psychological investigation of this behavior, however, is still in its infancy, with most studies using a confirmatory approach and assuming a priori its genuine addictive nature. In contrast, the current perspective paper argues the case for an exploratory approach as an initial step for conducting research on behaviors that − at first sight − look like addiction when applying a symptom-based approach. A qualitative understanding of the phenomenological characteristics of binge-watching as the foundation of an initial comprehensive discussion makes it possible to formulate hypotheses concerning its potentially addictive nature and to emphasize challenges and directions for future research. Here we propose an exploration of the dynamics of binge-watching behavior based on a model involving emotion regulation in the etiology and maintenance of problem binge-watching. [less ▲]

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See detailThe XDEM Multi-physics and Multi-scale Simulation Technology: Review on DEM-CFD Coupling, Methodology and Engineering Applications
Peters, Bernhard UL; Baniasadi, Maryam UL; Baniasadi, Mehdi UL et al

in Particuology (in press)

The XDEM multi-physics and multi-scale simulation platform roots in the Ex- tended Discrete Element Method (XDEM) and is being developed at the In- stitute of Computational Engineering at the University ... [more ▼]

The XDEM multi-physics and multi-scale simulation platform roots in the Ex- tended Discrete Element Method (XDEM) and is being developed at the In- stitute of Computational Engineering at the University of Luxembourg. The platform is an advanced multi- physics simulation technology that combines flexibility and versatility to establish the next generation of multi-physics and multi-scale simulation tools. For this purpose the simulation framework relies on coupling various predictive tools based on both an Eulerian and Lagrangian approach. Eulerian approaches represent the wide field of continuum models while the Lagrange approach is perfectly suited to characterise discrete phases. Thus, continuum models include classical simulation tools such as Computa- tional Fluid Dynamics (CFD) or Finite Element Analysis (FEA) while an ex- tended configuration of the classical Discrete Element Method (DEM) addresses the discrete e.g. particulate phase. Apart from predicting the trajectories of individual particles, XDEM extends the application to estimating the thermo- dynamic state of each particle by advanced and optimised algorithms. The thermodynamic state may include temperature and species distributions due to chemical reaction and external heat sources. Hence, coupling these extended features with either CFD or FEA opens up a wide range of applications as diverse as pharmaceutical industry e.g. drug production, agriculture food and processing industry, mining, construction and agricultural machinery, metals manufacturing, energy production and systems biology. [less ▲]

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See detailQuasitrivial semigroups: characterizations and enumerations
Couceiro, Miguel; Devillet, Jimmy UL; Marichal, Jean-Luc UL

in Semigroup Forum (in press)

We investigate the class of quasitrivial semigroups and provide various characterizations of the subclass of quasitrivial and commutative semigroups as well as the subclass of quasitrivial and order ... [more ▼]

We investigate the class of quasitrivial semigroups and provide various characterizations of the subclass of quasitrivial and commutative semigroups as well as the subclass of quasitrivial and order-preserving semigroups. We also determine explicitly the sizes of these classes when the semigroups are defined on finite sets. As a byproduct of these enumerations, we obtain several new integer sequences. [less ▲]

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See detailImpact of GPS Antenna Phase Center Models on Zenith Wet Delay and Tropospheric Gradients
Ejigu, Yohannes Getachew; Hunegnaw, Addisu UL; Abraha, Kibrom Ebuy UL et al

in GPS Solutions (in press)

We demonstrate the potential for the Global Positioning System (GPS) to provide highly accurate tropospheric products for use in meteorological applications. Tropospheric products, in particular the wet ... [more ▼]

We demonstrate the potential for the Global Positioning System (GPS) to provide highly accurate tropospheric products for use in meteorological applications. Tropospheric products, in particular the wet delays, are treated as an unknown parameter in GPS processing and are estimated with other parameters such as station coordinates. In this study, we investigate the effects of Phase Center Correction (PCC) models on tropospheric zenith wet delay (ZWD), integrated water vapor (IWV) and gradient products. Two solutions were generated using the GAMIT software over the EUREF Permanent GNSS Network (EPN). The first (reference) solution was derived by applying the International GNSS Service (IGS) type-mean PCC model, while for the second solution PCC models from individual calibrations were used. The solutions were generated identically, except for the PCC model differences. The two solutions were compared, with the assumption that common signals are differenced out. The comparison of the two solutions clearly shows a bias in all tropospheric products, which can be attributed to PCC model deficiencies. Overall, mean biases of ±1.8, ±0.3, ±0.14 and ±0.19 mm are evident in ZWD, IWV, North-South and East-West gradients, respectively. Moreover, the differences between the two solutions show seasonal variations. For all antenna types, the ZWD and IWV differences are dominated by white plus power-law noise, with latter characterizing the low-frequency spectrum. On the other hand, the horizontal gradients exhibit a white plus first order autoregressive noise characteristic with less than 1% white noise. The individual PCC model provides a better fit to an external independent model in terms of gradient estimate and also provides up to 3 % more carrier phase ambiguity resolution. [less ▲]

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See detailManifesto for a European research network into Problematic Usage of the Internet
Fineberg, Naomi A.; Demetrovics, Zsolt; Stein, Dan J. et al

in European Neuropsychopharmacology (in press)

The Internet is now all-pervasive across much of the globe. While it has positive uses (e.g. prompt access to information, rapid news dissemination), many individuals develop Problematic Use of the ... [more ▼]

The Internet is now all-pervasive across much of the globe. While it has positive uses (e.g. prompt access to information, rapid news dissemination), many individuals develop Problematic Use of the Internet (PUI), an umbrella term incorporating a range of repetitive impairing behaviours. The Internet can act as a conduit for, and may contribute to, functionally impairing behaviours including excessive and compulsive video gaming, compulsive sexual behaviour, buying, gambling, streaming or social networks use. There is growing public and National health authority concern about the health and societal costs of PUI across the lifespan. Gaming Disorder is being considered for inclusion as a mental disorder in diagnostic classification systems, and was listed in the ICD-11 version released for consideration by Member States ( http://www.who.int/classifications/icd/revision/timeline/en/ ). More research is needed into disorder definitions, validation of clinical tools, prevalence, clinical parameters, brain-based biology, socio-health-economic impact, and empirically validated intervention and policy ap- proaches. Potential cultural differences in the magnitudes and natures of types and patterns of PUI need to be better understood, to inform optimal health policy and service development. To this end, the EU under Horizon 2020 has launched a new four-year European Cooperation in Science and Technology (COST) Action Programme (CA 16207), bringing together scientists and clinicians from across the fields of impulsive, compulsive, and addictive disorders, to advance networked interdisciplinary research into PUI across Europe and beyond, ultimately seeking to inform regulatory policies and clinical practice. This paper describes nine critical and achievable research priorities identified by the Network, needed in order to advance understanding of PUI, with a view towards identifying vulnerable individuals for early intervention. The network shall enable collaborative research networks, shared multinational databases, multicentre studies and joint publications . [less ▲]

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See detailBilan
Lejot, Eve UL

in Huemer, Birgit; Lejot, Eve; Deroey, Katrien (Eds.) Academic writing across languages: multilingual and contrastive approaches in higher education (in press)

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See detailPro-Poorness Orderings
D'Ambrosio, Conchita UL; Chakravarty, Satya; Chattopadhyay, Nachiketa

in Review of Income and Wealth (in press)

An indicator of pro-poorness of a growth profile associated with a distribution of income is a measure of the extent to which growth is biased towards the poor. This paper proposes a general approach to ... [more ▼]

An indicator of pro-poorness of a growth profile associated with a distribution of income is a measure of the extent to which growth is biased towards the poor. This paper proposes a general approach to pro-poorness, called the progressive sequential averaging principle (PSA), relaxing the requirement of rank preservation due to growth. An endogenous benchmark for evaluating the growth of poor comes out naturally from this principle. A dominance relation on the basis of the above approach for a class of growth profiles is introduced through a simple device, called the PSA curve and its properties are examined in relation to the standard dominances in terms of the generalized Lorenz curve and the inverse generalized Lorenz curve. The paper concludes with an application to evaluate growth profiles experienced by the United States between 2001-2007 and 2007-2013. [less ▲]

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See detail“Luxemburger Standarddeutsch”. On the future of the German language in Luxembourg
Sieburg, Heinz UL

in Muhr, Rudolf; Meisnitzer, Benjamin (Eds.) Pluricentric Languages and Non-Dominant Varieties Worldwide: New pluricentric languages-old problems (in press)

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See detailFurther exploration of the SUPPS-P Impulsive Behavior Scale’s factor structure: Evidence from a large Hungarian sample
Zsila, Ágnes; Bőthe, Beáta; Demetrovics, Zsolt et al

in Current Psychology (in press)

Background: Impulsivity is a multidimensional construct playing a pervasive role in psychiatry and neuropsychology. Lynam et al. (2006) have developed the 59-item UPPS-P Impulsive Behavior Scale, which ... [more ▼]

Background: Impulsivity is a multidimensional construct playing a pervasive role in psychiatry and neuropsychology. Lynam et al. (2006) have developed the 59-item UPPS-P Impulsive Behavior Scale, which assesses five distinct impulsivity dimensions: positive urgency, negative urgency, lack of perseverance, lack of premeditation, and sensation seeking. The short, 20-item version of the UPPS-P (SUPPS-P; Billieux et al. 2012) has been developed and adapted into several languages, including English, French, Italian, Spanish, and Arabic. The aim of the present study was to test four theoretical models of the SUPPS-P in a large sample of Hungarian adults. Methods: A total of 15,703 participants (64.76% male; Mage = 33.42 years, SD = 11.06) completed the SUPPS-P using an online questionnaire. Results: Confirmatory factor analyses corroborated the first-order five-factor model of impulsivity and a hierarchical model representing three higher-order constructs (urgency, lack of conscientiousness, sensation seeking), whereas the one-factor and three-factor model were not supported. The factor structure of the SUPPS-P preserved the original, theory-driven structure of the UPPS-P model and this instrument demonstrated good internal consistency. Hypersexual behavior consequences were positively associated with most SUPPS-P components, thus criterion validity was also supported. Conclusion: The SUPPS-P had strong psychometric properties that reflected the theoretical structure of the original UPPS-P model, thus it constitutes a theoretically grounded and time saving multidimensional instrument for assessing impulsivity. [less ▲]

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