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See detailThe impact of maternal child- and self-oriented pain-related injustice appraisals upon maternal attention to child pain, attention to anger, and pain-attending behavior
Baert, Fleur; van Ryckeghem, Dimitri UL; Sanchez-Lopez, Alvaro et al

in British Journal of Pain (2021)

Objectives The current study investigated the role of maternal child- and self-oriented injustice appraisals about child pain in understanding maternal attention for child pain and adult anger cues and ... [more ▼]

Objectives The current study investigated the role of maternal child- and self-oriented injustice appraisals about child pain in understanding maternal attention for child pain and adult anger cues and pain-attending behavior. Methods Forty-four children underwent a painful cold pressor task (CPT) while their mother observed. Eye tracking was used to measure maternal attention to child pain and adult anger cues. Initial attention allocation and attentional maintenance were indexed by probability of first fixation and gaze duration, respectively. Maternal pain-attending behaviors toward the child were videotaped and coded after CPT completion. Mothers also rated the intensity of pain and anger cues used in the free-viewing tasks. All analyses controlled for maternal catastrophizing about child pain. Results Neither child-oriented nor self-oriented injustice was associated with maternal attentional bias toward child pain. Regarding attention toward self-relevant anger cues, differential associations were observed for self- and child-oriented injustice appraisals, with maternal self-oriented injustice being associated with a greater probability of first fixating on anger and with higher anger ratings, whereas maternal child-oriented injustice was associated with enhanced attentional maintenance toward anger. Neither type of maternal injustice appraisals was associated with maternal pain-attending behavior, which was only associated with maternal catastrophizing. Conclusions The current study sheds light on potential differential mechanisms through which maternal self- vs. child-oriented injustice appraisals may exert their impact on parent and child pain-related outcomes. Theoretical implications and future directions are discussed. [less ▲]

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See detailKijken en Kennis: Een zeventiende-eeuws constcamer-schilderij
Koeleman, Floor Anna UL

in Wonderkamer: Magazine voor Wetenschapsgeschiedenis (2021), 4

Wie wil doordringen tot de diepere betekenis van een constcamer schilderij, moet leren kijken. Floor Koeleman neemt ons mee naar de kleinste details, want overal schuilt betekenis in. Bovendien vertellen ... [more ▼]

Wie wil doordringen tot de diepere betekenis van een constcamer schilderij, moet leren kijken. Floor Koeleman neemt ons mee naar de kleinste details, want overal schuilt betekenis in. Bovendien vertellen de schilderijen uit de vroegmoderne tijd ons veel over hoe kennis in de zeventiende eeuw tot stand kwam. [less ▲]

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See detailAssessing collaborative problem-solving skills among elementary school students
Rojas, Matias; Nussbaum, Miguel; Chiuminatto, Pablo et al

in Computers and Education (2021), 175

As 21st century skills have become increasingly important, Collaborative Problem Solving (CPS) is now considered essential in almost all areas of life. Different theoretical frameworks and assessment ... [more ▼]

As 21st century skills have become increasingly important, Collaborative Problem Solving (CPS) is now considered essential in almost all areas of life. Different theoretical frameworks and assessment instruments have emerged for measuring this skill. However, more applied studies on its implementation and evaluation in real-life educational settings are required. In this sense, pre-post experimental designs are essential for identifying new methods for developing collaborative problem-solving skills. To do so, equivalent tests are needed to facilitate consistent score interpretations and reduce the practice effect. In the present study, a Design-Based Research approach is used to design and validate an assessment tool with two equivalent forms based on a framework proposed by the OECD and applied to a collaborative activity. A total of 719 students aged between 10 and 13 years old participated in the different stages of the study. The results show that the proposed instrument effectively measures the problem-solving dimension of collaborative problem-solving skills among students of this age. Moreover, the results from the test were equivalent for both forms and across genders. Finally, there were no significant differences when assessing collaborative problem-solving in human-human groups versus human-agent groups using the proposed instrument. For future work, we recommend including other data sources than just text-based conversations. This would allow us to capture the rich social interactions present in this type of activity. Future work should also consider exploring the extent to which skills could be trained. This could be done in an experimental design assessed using the equivalent forms of the proposed instrument as a pre- and post-test. Doing so would provide a more accurate measure of students’ collaborative skills. [less ▲]

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See detailThe Impact of the Asset Purchase Programme on Systemic Risk in the Euro Area: Is There a Threat?
Chavarro Sanchez, Leidy; Nadal De Simone, Francisco; Lehnert, Thorsten UL

E-print/Working paper (2021)

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See detailInheritance, gifts and the accumulation of wealth for low-income households
Morelli, Salvatore; Nolan, Brian; Palomino, Juan C. et al

in Journal of European Social Policy (2021), 31(5), 533-548

Many low-income households in rich countries have very little wealth, but the role of intergenerational wealth transmission in underpinning this deficit is not known. This article seeks to fill that gap ... [more ▼]

Many low-income households in rich countries have very little wealth, but the role of intergenerational wealth transmission in underpinning this deficit is not known. This article seeks to fill that gap by investigating patterns of past wealth transfer receipt for low-income versus other households in seven rich countries and assessing the contribution that these transfers, or their absence, make to current wealth levels. We find that households on low incomes are relatively disadvantaged in terms of intergenerational transfers received in the past, both in terms of the likelihood of having received any and the amounts received by those who do benefit from such transfers. The role that this disadvantage plays in the linkage between current low-income and low wealth is assessed and evidence presented that it is significant. Simulation of a universal wealth transfer scheme or ‘capital endowment’ on reaching adulthood for two countries shows that such a policy could lead to a marked decline in the proportion of low-income adults with negative or no wealth. This and alternative or complementary policy responses to these wealth deficits merit the most serious attention. [less ▲]

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See detailAn overview of generic tools for information-theoretic secrecy performance analysis over wiretap fading channels
Kong, Long UL; Ai, Yun; Lei, Lei UL et al

in EURASIP Journal on Wireless Communications and Networking volume (2021), (1), 194

Physical layer security (PLS) has been proposed to afford an extra layer of security on top of the conventional cryptographic techniques. Unlike the conventional complexity-based cryptographic techniques ... [more ▼]

Physical layer security (PLS) has been proposed to afford an extra layer of security on top of the conventional cryptographic techniques. Unlike the conventional complexity-based cryptographic techniques at the upper layers, physical layer security exploits the characteristics of wireless channels, e.g., fading, noise, interference, etc., to enhance wireless security. It is proved that secure transmission can benefit from fading channels. Accordingly, numerous researchers have explored what fading can offer for physical layer security, especially the investigation of physical layer security over wiretap fading channels. Therefore, this paper aims at reviewing the existing and ongoing research works on this topic. More specifically, we present a classification of research works in terms of the four categories of fading models: (i) small-scale, (ii) large-scale, (iii) composite, and (iv) cascaded. To elaborate these fading models with a generic and flexible tool, three promising candidates, including the mixture gamma (MG), mixture of Gaussian (MoG), and Fox’s H-function distributions, are comprehensively examined and compared. Their advantages and limitations are further demonstrated via security performance metrics, which are designed as vivid indicators to measure how perfect secrecy is ensured. Two clusters of secrecy metrics, namely (i) secrecy outage probability (SOP), and the lower bound of SOP; and (ii) the probability of nonzero secrecy capacity (PNZ), the intercept probability, average secrecy capacity (ASC), and ergodic secrecy capacity, are displayed and, respectively, deployed in passive and active eavesdropping scenarios. Apart from those, revisiting the secrecy enhancement techniques based on Wyner’s wiretap model, the on-off transmission scheme, jamming approach, antenna selection, and security region are discussed. [less ▲]

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See detailRésultats du monitoring scolaire national ÉpStan dans le contexte de la pandémie de COVID-19
Fischbach, Antoine UL; Colling, Joanne UL; Levy, Jessica UL et al

in LUCET; SCRIPT (Eds.) Rapport national sur l’éducation au Luxembourg 2021 (2021)

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See detailBefunde aus dem nationalen Bildungsmonitoring ÉpStan vor dem Hintergrund der COVID-19- Pandemie
Fischbach, Antoine UL; Colling, Joanne UL; Levy, Jessica UL et al

in LUCET; SCRIPT (Eds.) Nationaler Bildungsbericht Luxemburg 2021 (2021)

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See detailRésultats du monitoring scolaire national ÉpStan dans le contexte de la pandémie de COVID-19 (Matériels supplémentaires)
Fischbach, Antoine UL; Colling, Joanne UL; Levy, Jessica UL et al

in LUCET; SCRIPT (Eds.) Rapport National sur l´Éducation au Luxembourg 2021 (2021)

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See detailBefunde aus dem nationalen Bildungsmonitoring ÉpStan vor dem Hintergrund der COVID-19 Pandemie (Supplement)
Fischbach, Antoine UL; Colling, Joanne UL; Levy, Jessica UL et al

in LUCET; SCRIPT (Eds.) Nationaler Bildungsbericht Luxemburg 2021 (2021)

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See detailInklusion in Luxemburg: Definitionen, Ansichten und Bereitschaft zur inklusiven Bildung
Pit-Ten Cate, Ineke UL; Powell, Justin J W UL; Krischler, Mireille UL

in LUCET; SCRIPT (Eds.) Nationaler Bildungsbericht Luxemburg 2021 (2021)

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See detailL’inclusion au Luxembourg : définitions, opinions et disposition à la mise en œuvre de pratiques éducatives inclusives
Pit-Ten Cate, Ineke UL; Powell, Justin J W UL; Krischler, Mireille UL

in LUCET; SCRIPT (Eds.) Rapport National sur l´Éducation au Luxembourg 2021 (2021)

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See detailEine Frage der Haltung – Spannungsfelder des Unterrichtens in einer digitalen Welt
Pause, Johannes UL; Harion, Dominic UL

in Nationaler Bildungsbericht Luxemburg 2021 (2021)

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See detailChicken and Egg: Reporting from a Datathon Exploring Datasets of the COVID-19 Special Collections
Aasman, Susan; Bingham, Nicola; Brügger, Niels et al

Report (2021)

This report is the first in a short series of WARCnet papers which aim to provide feedback on an internal datathon conducted by Working Group 2 of the WARCnet project. It explores the creation of ... [more ▼]

This report is the first in a short series of WARCnet papers which aim to provide feedback on an internal datathon conducted by Working Group 2 of the WARCnet project. It explores the creation of transnational merged datasets and corpora, based on seed lists, derived data and metadata provided by several web archiving institutions. The report highlights our first explorations of specially curated COVID web archives, in order to prepare an in-depth exploration of the issues, challenges, limitations and opportunities afforded by these heterogeneous datasets. [less ▲]

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See detailHow enriching sensory awareness develops and affects well-being throughout childhood
Linzarini, Adriano; Cebotari, Victor UL; Richardson, Dominic et al

E-print/Working paper (2021)

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See detailCompétences en littératie numérique et pensée computationnelle des élèves de huitième année – Principales conclusions d’ICILS 2018
Boualam, Rachid UL; Lomos, Catalina; Fischbach, Antoine UL

in LUCET; SCRIPT (Eds.) Rapport national sur l’éducation au Luxembourg 2021 (2021)

Detailed reference viewed: 19 (1 UL)