Search results for " Time"

Further Investigation of Harmonic Priming in Long Contexts Using Musical Timbre as Surface Marker to Control for Temporal Effects

2004

Harmonic priming studies have reported facilitated processing for chords that are harmonically related to the prime context. Responses to the target (the last chord of an 8-chord sequence) were faster and more accurate when the target was strongly related, i.e., a tonic chord, to the preceding prime context than when it was less related, i.e., a subdominant chord. Results have been interpreted in terms of musical expectations and processing speed: the prime allows listeners to develop expectations for future events which lead to facilitated processing of the most strongly expected event. The present experiment investigated an alternative hypothesis suggesting that the harmonic structure of…

Dynamic factorial graphical models for dynamic networks

2014

Dynamic networks models describe a growing number of important scientific processes, from cell biology and epidemiology to sociology and finance. Estimating dynamic networks from noisy time series data is a difficult task since the number of components involved in the system is very large. As a result, the number of parameters to be estimated is typically larger than the number of observations. However, a characteristic of many real life networks is that they are sparse. For example, the molec- ular structure of genes make interactions with other components a highly-structured and, therefore, a sparse process. Penalized Gaussian graphical models have been used to estimate sparse networks. H…

Consumer expectations and perceptions of meat and meat product quality

2011

This paper presents the determinants of perceived quality viewed by different authors. Then, it sets the factors of quality from purchase to consumption and some mechanisms of change over time. After this general presentation, the distinctive features of food and the particular place of meat and meat products among foods are underlined. Important credence and experience attributes as well as quality cues for meat and meat products are then presented through results from previous works. Finally, the advantages but also the limitations of present methodologies used in quality research are presented and some orientations for future research are suggested.

Cardiovascular risk factors in relation to leisure-time physical activity and fruit-vegetable consumption

2012

Normality against Sustainability - Mobility practices of well-to-do households

2016

By focusing on the daily and leisure mobility of well-to-do people in Finland, this study contributes to the discordant discussion on the sustainability of well-to-do consumers, whose consumption levels are relatively the highest, and concerns whether they are both aware of environmental matters and willing to pay for environmental protection. The interview analysis revealed that, despite general knowledge of environmental issues, sustainability is not relevant to daily practices, and the well-to-do studied here are not to any significant degree engaged in sustainable mobility practices, but in a complex organization of daily life. This study also shows that, while there is a shared underst…

Predicting change in middle school students’ leisure‐time physical activity participation: A prospective test of the trans‐contextual model

2020

We applied the trans-contextual model (TCM) to examine the effects of middle school students’ perceived autonomy support from their physical education (PE) teachers on autonomous motivation toward PE in school and, critically, autonomous motivation toward, and actual participation in, leisure-time physical activity (PA). The research adopted a three-wave prospective design enabling the modeling of change in the TCM constructs over time. Middle school students (N = 248) aged from 12 to 16 years reported their perceived autonomy support, autonomous motivation in PE, autonomous motivation toward leisure-time PA, attitudes, subjective norms, perceived behavioral control (PBC), intentions for PA…

Income distribution dynamics: monotone Markov chains make light work

1995

This paper considers some aspects of the dynamics of income distributions by employing a simple Markov chain model of income mobility. The main motivation of the paper is to introduce the techniques of “monotone” Markov chains to this field. The transition matrix of a discrete Markov chain is called monotone if each row stochastically dominates the row above it. It will be shown that by embedding the dynamics of the income distribution in a monotone Markov chain, a number of interesting results may be obtained in a straightforward and intuitive fashion.

Representation of Strongly Stationary Stochastic Processes

1993

A generalization of the orthogonality conditions for a stochastic process to represent strongly stationary processes up to a fixed order is presented. The particular case of non-normal delta correlated processes, and the probabilistic characterization of linear systems subjected to strongly stationary stochastic processes are also discussed.

The Playing Brain. The Impact of Video Games on Cognition and Behavior in Pediatric Age at the Time of Lockdown: A Systematic Review

2021

A growing number of children and adolescents play video games (VGs) for long amounts of time. The current outbreak of the Coronavirus pandemic has significantly reduced outdoor activities and direct interpersonal relationships. Therefore, a higher use of VGs can become the response to stress and fear of illness. VGs and their practical, academic, vocational and educational implications have become an issue of increasing interest for scholars, parents, teachers, pediatricians and youth public policy makers. The current systematic review aims to identify, in recent literature, the most relevant problems of the complex issue of playing VGs in children and adolescents in order to provide sugges…

Robust regulation with H∞ control of linear two-time-scale systems: A new modelling approach

2010

This paper considers the problem of robust multi-objective