Search results for "context"

Effects of a School-Based Intervention on Motivation for Out-of-School Physical Activity Participation

2021

Purpose: We tested the effects of an autonomy-supportive intervention in physical education (PE) on high-school students’ autonomous motivation in PE, and their autonomous motivation, intentions, and physical activity (PA) behavior in a leisure time guided by the trans-contextual model. Method: PE classes in two schools were assigned to receive either an autonomy-supportive intervention and/or a control intervention via random allocation by the school. The PE teacher of the school assigned to the autonomy-supportive intervention was trained to provide autonomy support while the PE teacher of the school assigned to the control intervention received no training. Students (N = 256) in all clas…

Heart rate variability and self-control–A meta-analysis

2016

We read the commentary on our meta-analysis with great interest and we greatly appreciate that the authors developed suggestions for further research on heart rate variability (HRV) and self-control. While we mostly support these suggestions, we believe that it is necessary to clarify some points raised with respect to our meta-analysis. The first point brought up by the authors of the commentary is the focus of our meta-analysis on HRV instead of vagal tone and the inclusion of studies using the standard deviation of RR intervals (SDNN). They argue that only vagal tone and HRV metrics reflecting vagal tone are expected to be linked to self-control according to both the Neurovisceral Integr…

Players' progression through GraphoGame, an early literacy game: Influence of game design and context of play

2019

Researchers of serious games frequently investigate outcomes of play but overlook the underlying game-design components that drive those outcomes. In this paper, I aim to show how game design and context of play influence progression through GraphoGame, an early-literacy game. This is done by means of two intersecting studies. The first study shows how the game can be represented by a model that explicitly hypothesizes how the interaction between the player and the game drives progression. The second study explores user data generated by first graders (N = 137) who played the game over a period of 25 weeks as part of early literacy instruction. The juxtaposition of these two studies reveals…

Daphne II Project case report: a 3 years-old baby girl sexually abused from a young of 14 in a domestic extrafamily context

2008

Multi-Chip RFID Antenna Integrating Shape-Memory Alloys for Detection of Thermal Thresholds

2011

Low-cost wireless measurement of objects' temperature is one of the greatest expectation of radiofrequency identification technology for the so many applications in cold supply-chain control and safety assessment in general. In this context, the paper proposes a dual-chip UHF tag embedding shape memory alloys (SMA) able to transform the variation of the tagged item's temperature into a permanent change of antenna radiation features. This event-driven antenna is hence able to selectively activate the embedded microchips according to the temperature above or below a given threshold. A general design methodology for the resulting two-ports tag antenna is here introduced and then applied to pro…

A Shape-based Statistical Method to Retrieve 2D TRUS-MR Slice Correspondence for Prostate Biopsy

2012

International audience; This paper presents a method based on shape-context and statistical measures to match interventional 2D Trans Rectal Ultrasound (TRUS) slice during prostate biopsy to a 2D Magnetic Resonance (MR) slice of a pre-acquired prostate volume. Accurate biopsy tissue sampling requires translation of the MR slice information on the TRUS guided biopsy slice. However, this translation or fusion requires the knowledge of the spatial position of the TRUS slice and this is only possible with the use of an electro-magnetic (EM) tracker attached to the TRUS probe. Since, the use of EM tracker is not common in clinical practice and 3D TRUS is not used during biopsy, we propose to per…

SingleChannelNet : A model for automatic sleep stage classification with raw single-channel EEG

2022

In diagnosing sleep disorders, sleep stage classification is a very essential yet time-consuming process. Various existing state-of-the-art approaches rely on hand-crafted features and multi-modality polysomnography (PSG) data, where prior knowledge is compulsory and high computation cost can be expected. Besides, it is a big challenge to handle the task with raw single-channel electroencephalogram (EEG). To overcome these shortcomings, this paper proposes an end-to-end framework with a deep neural network, namely SingleChannelNet, for automatic sleep stage classification based on raw single-channel EEG. The proposed model utilizes a 90s epoch as the textual input and employs two multi-conv…

Trends analysis in the investigations realised from the data of the PISA Project

2016

Este estudio es parte de una investigación más amplia que pretende diseñar un modelo de análisis de evaluaciones de sistemas educativos que permita valorar su aportación para la cohesión social (Jornet, 2012). El punto de partida son investigaciones previas sobre el papel de las variables de contexto, de entrada y de proceso en las evaluaciones de sistemas educativos, que frecuentemente cuidan mucho más la justificación teórica y la calidad métrica de las variables de producto que estas otras, que finalmente ayudan a interpretar los resultados. En este caso realizamos revisión de los trabajos científico-académicos del corte empírico, publicados entre los años 2000 y 2012, que utilizan bases…

Faire face ou faire avec. Situations de vulnérabilité et situations de handicap

2020

Nous sommes tous victime lorsqu’un aléa survient au cours d’un déplacement (grève, panne, situation climatique exceptionnelle, etc.), par définition imprévisible. Mais il peut rendre vulnérables les personnes en situation de handicap cognitif et/ou mental plus particulièrement. La distinction sémantique entre situation de handicap et situation de vulnérabilité doit ici garder tout son sens. Et la tendance à employer indifféremment l’une et l’autre notion en sciences humaines et sociales, mérite d’être dénoncée. Différencier l’une et l’autre notion, c’est admettre et reconnaître les tactiques résilientes que les personnes en situation de handicap mettent en œuvre quotidiennement pour compens…

The effect of contextual variables on the attacking style of play in professional soccer

2021

The aim of this paper was to investigate the interactive effects of contextual variables on the attacking style of play in professional soccer. 5849 team possessions from 40 random matches from Spanish La Liga and English Premier League 2017-2018 were analysed by means of multidimensional observation. Multilevel multivariate logistic regressions showed that home teams had higher odds of implementing fast attacks (p<.05) and lower odds of implementing direct attacks (p<.05) than combinative attacks. High-ranked teams presented lower odds of using direct attacks (p<.05) than combinative attacks in comparison with low-ranked teams, while playing against high-ranked opponents decreased the prob…