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See detailARE WORKING MEMORY MEASURES FREE OF SOCIO-ECONOMIC AND CULTURAL INFLUENCES?
Engel de Abreu, Pascale UL; Santos, F; Martin, Romain UL et al

Scientific Conference (2007, September)

This research investigated the hypothesis that working memory skills are independent of environmental factors such as socio-economic or cultural background. Study 1: Twenty Brazilian children aged 6 and 7 ... [more ▼]

This research investigated the hypothesis that working memory skills are independent of environmental factors such as socio-economic or cultural background. Study 1: Twenty Brazilian children aged 6 and 7 years from low socio-economic status families were evaluated on measures of working memory (verbal short-term memory and verbal complex span, taken form the AWMA: Automated Working Memory Assessment) and of vocabulary (expressive and receptive). They were compared with typically developing Brazilian children from the same region, matched on age, sex, and nonverbal ability from families of higher socio-economic status. Children from the low socioeconomic status group obtained significantly lower scores on the vocabulary tests but not on the verbal short-term memory measures, compared to their peers from a higher socio-economical background. Both groups differed on one of the two complex span measures - counting recall - but performed equally well on backwards digit recall. The results indicate that tests of verbal short-term memory and also backwards digit recall provide measures of cognitive abilities that are not biased by the quality of the child's socio-economical background. Study 2: The Brazilian children were also compared to a population of Portuguese- speaking, immigrant children growing up in Luxembourg, evaluated on the same measures. Results will specify whether or not, in addition to being independent of socioeconomic background, verbal short-term memory and backwards digit recall are also free of cultural bias. As these measures are also highly sensitive to language ability, they may provide useful methods for diagnosing language disorder that are independent of environmental opportunity. [less ▲]

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See detailMetabolic Networks, Chapter 10
da Silva, Marcio Rosa; Sun, Jibin; Ma, HongWu et al

in Junker, Björn H.; Schreiber, Falk (Eds.) Analysis of Biological Networks (2007)

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See detailDoes frequent augmented feedback really degrade learning? A meta-analysis
Marschall, Franz; Bund, Andreas UL; Wiemeyer, Josef

in Bewegung und Training (2007), 1

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See detailWorking memory, phonological awareness, and language learning
Engel de Abreu, Pascale UL; Gathercole, S. E.

Scientific Conference (2007, August)

This study investigated the relationship between working memory, phonological processing and developing language skills in a population of children growing up in a multilingual context involving the three ... [more ▼]

This study investigated the relationship between working memory, phonological processing and developing language skills in a population of children growing up in a multilingual context involving the three languages of Luxembourgish, German, and French. A sample of 122 children from Luxembourg, aged between 5 and 7 years, participated in the study, and completed assessments of phonological short-term memory, complex working memory, phonological awareness, native and foreign vocabulary knowledge, language comprehension and reading. The data were best characterized by a measurement model in which working memory consists of two related yet distinct components – corresponding to phonological short-term memory and a central executive – that were distinct from phonological awareness. Language abilities in both the native and foreign languages were more strongly associated with phonological short-term memory than other constructs in the model. The findings lend strong support to the proposal that vocabulary learning in particular is mediated in part at least by the phonological loop component of working memory. [less ▲]

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See detailWhen Redistribution Leads to Regressive Taxation
Hariton, Cyril; Piaser, Gwenaël UL

in Journal of Public Economic Theory (2007), 9(4), 589-606

We introduce labor contracts in a framework of optimal redistribution: firms have some local market power and try to discriminate among heterogeneous workers. In this setting we show that if the firms ... [more ▼]

We introduce labor contracts in a framework of optimal redistribution: firms have some local market power and try to discriminate among heterogeneous workers. In this setting we show that if the firms have perfect information, i.e., they perfectly discriminate against workers and take all the surplus, the best tax function is flat. If firms have imperfect information, i.e., if they offer incentive contracts, then (under some assumptions) the best redistributive taxation is regressive. [less ▲]

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See detailOns sproochlech Acquisen an d’Verfassung aschreiwen?
Fehlen, Fernand UL

Article for general public (2007)

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See detailRéaménagement ergonomique de la signalétique d’une bibliothèque universitaire
Lallemand, Carine UL; Boudot, Audrey

Scientific Conference (2007, July 07)

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See detailRéaménagement ergonomique de la signalétique à la Bibliothèque Universitaire de Metz
Lallemand, Carine UL

Bachelor/master dissertation (2007)

Our study deals with the ergonomic reorganization of the signage of a university library. Within this framework, this research leans on three theoritical fields : environmental psychology, information and ... [more ▼]

Our study deals with the ergonomic reorganization of the signage of a university library. Within this framework, this research leans on three theoritical fields : environmental psychology, information and communication sciences, and cognitive ergonomics. To demonstrate that a good usability of the signage would support user’s orientation and appropriation of the place, interviews, questionnaires and a user test were carried out. The results, in agreement with the hypothesis, aims first at developping applied prospects as the concrete reorganization of the sign system, and also theoritical prospects of enrichment of theoritical models and a better knowledge of the user’s behaviors and strategies. [less ▲]

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See detailMultivariate integration of functions depending explicitly on the minimum and the maximum of the variables
Marichal, Jean-Luc UL

in De Baets, Bernard; Maes, Koen C.; Mesiar, Radko (Eds.) Proc. 4th Int. Summer School on Aggregation Operators and their Applications (AGOP 2007), Ghent, Belgium, July 9-14, 2007 (2007, July)

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See detailTeacher Burnout - An international comparison
Pfetsch, Jan UL; Steffgen, Georges UL

Scientific Conference (2007, July)

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See detailTime variable gravity field recovery in local areas by means of Slepian functions
Weigelt, Matthias UL; van der Wal, W.; Sneeuw, N. et al

Poster (2007, July)

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See detailIntroduction to Symposium « Work satisfaction »
Pignault, Anne UL

Scientific Conference (2007, July)

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See detailThe tradition of Community Music in Luxembourg
Sagrillo, Damien UL

Scientific Conference (2007, July)

Detailed reference viewed: 79 (4 UL)
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See detailOral paper: Individual differences in subjective perception of work context in call centers
Pignault, Anne UL; Loarer, Even

Scientific Conference (2007, July)

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See detailNumber magnitude potentiates action judgements
Badets, Arnaud; Andres, Michael; Di Luca, Samuel UL et al

in Experimental Brain Research (2007), 180(3), 525-34

Motor actions can be simulated and generated through the perception of objects and their characteristics. Such functional characteristics of objects with given action capabilities are called affordances ... [more ▼]

Motor actions can be simulated and generated through the perception of objects and their characteristics. Such functional characteristics of objects with given action capabilities are called affordances. Here we report an interaction between the perception of affordances and the processing of numerical magnitude, and we show that the numerical information calibrates the judgement of action even when no actual action is required. In Experiment 1, participants had to judge whether they would be able to grasp a rod lengthways between their thumb and index finger. The presentation of the rod was preceded by a number or a non-numerical symbol. When a small number preceded the rod, participants overestimated their grasp; conversely, when a large number preceded the rods, they underestimated their grasp. In Experiment 2, participants were requested to judge if two successive rods had the same length, a judgement that did not involve any grasping. The numerical primes had no effect on this judgement, showing that the magnitude/affordance interaction was not due to a simple perceptual effect. Finally, Experiment 3 showed that the interaction was not present with a non-numerical ordered sequence, thereby eliminating sequence order as a potentially confounding variable. [less ▲]

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