Search results for "Percept"
showing 10 items of 3839 documents
Tentative d'appréciation de la qualité à partir des bénéfices rapportés par les étudiants : le cas des unités d'enseignement transversales de l'unive…
2020
International audience; Cette communication propose une réflexion sur la qualité des formations et des enseignements via les bénéfices apportés aux étudiants. Deux principaux objectifs structurent notre recherche: 1) déterminer dans quelle mesure la qualité appréhendée par le biais des effets perçus par les bénéficiaires est susceptible de renvoyer à une réalité complexe ou non ; 2) étudier si cette qualité est appréhendée de manière différente par les différents types de bénéficiaires, ces disparités entre bénéficiaires pouvant être liées à des différents types de facteurs susceptibles de faire apparaître des effets dits " contextuels " liés par exemple à la nature du public et/ou au type …
The Event Structure of Motion Perception
2004
Motion perception on the basis of optic flow is often studied using purely perceptual response paradigms such as forced choice preferences, and using straightforward motor responses such as simple stereotypical reaction times. Here we argue for a more complex perspective that takes into account the event structure of ecological motion perception. In particular, we hope to convince the reader that the would-be perceptual response to a motion stimulus is noticeably modified be the type of response that is required from the actor. We will argue that our actions modify our perception and more precisely, that the planning component of intended actions influence processing of time critical motion…
Chemical Cues Influence Pupation Behavior of Drosophila simulans and Drosophila buzzatii in Nature and in the Laboratory.
2012
International audience; In the wild, larvae of several species of Drosophila develop in heterogeneous and rapidly changing environments sharing resources as food and space. In this scenario, sensory systems contribute to detect, localize and recognize congeners and heterospecifics, and provide information about the availability of food and chemical features of environments where animals live. We investigated the behavior of D. simulans and D. buzzatii larvae to chemicals emitted by conspecific and heterospecific larvae. Our goal was to understand the role of these substances in the selection of pupation sites in the two species that cohabit within decaying prickly pear fruits (Opuntia ficus…
Exemplification and Exemplars, Effects of
2008
The term “exemplification effect” describes the influence of illustrating and aggregating case descriptions in media presentations on the recipients' perceptions of issues. Aggregating case descriptions emerges whenever media coverage presents any kind of generalizing claim about natural or social phenomena and an arbitrarily selected sample of single cases to illustrate the issue at hand. General claims (e.g., “growing poverty in society”) often are supported by presenting quantitative information (so-called “base-rate information”) about a large number of cases (e.g., statistics about poverty; Statistics, Descriptive). Keywords: Communication Reception and Effects; Persuasion and Social …
Justice Perceptions as Predictors of Customer Satisfaction: The Impact of Distributive, Procedural, and Interactional Justice1
2006
This article attempts to extend prior research by testing the effects of justice components (distributive, procedural, and interactional) on customer satisfaction beyond the expectancy disconfirmation paradigm. To this end, two separate field survey studies were conducted. A total of 568 customers were surveyed in 38 hotels and 40 restaurants. The results showed that distributive justice was critical in predicting customer satisfaction, while the influence of procedural and interactional justice was secondary. Justice concepts were also robust against the simultaneous inclusion of disconfirmation and performance in the satisfaction equation. The article concludes with theoretical and manage…
Conditioned generalisation in generalised anxiety disorder: the role of concurrent perceptual and conceptual cues
2021
Previous research in extinction indicates no difference in US expectancies for aversive and non-aversive unconditioned stimuli (USs). In this study, we bridged these topics by examining how concurrent perceptual and conceptual cues influence conditioned generalisation of generalised anxiety disorder (GAD) patients by using non-aversive USs. The study included two consecutive phases: acquisition and generalisation. In the acquisition phase, we used blue and purple images as the perceptually conditioned stimuli, images of animals and household items as the conceptually conditioned stimuli, and non-aversive images as unconditioned stimuli (US). In the generalisation phase, we used images conta…
The language of emotion in short blog texts
2008
Emotion is central to human interactions, and automatic detection could enhance our experience with technologies. We investigate the linguistic expression of fine-grained emotion in 50 and 200 word samples of real blog texts previously coded by expert and naive raters. Content analysis (LIWC) reveals angry authors use more affective language and negative affect words, and that joyful authors use more positive affect words. Additionally, a co-occurrence semantic space approach (LSA) was able to identify fear (which naive human emotion raters could not do). We relate our findings to human emotion perception and note potential computational applications.
Literature, social media and questionnaire surveys identify relevant conservation areas for Carcharhinus species in the Mediterranean Sea
2023
Sharks support ecosystems’ health, but their populations are facing severe declines worldwide. Knowledge gaps on shark distribution and the negative human perception of them still represent a barrier to the implementation of effective conservation measures. Here we carried out a regional-scale analysis in the Mediterranean Sea using data on requiem shark catches and sightings available in the scientific literature and on social media platforms to: 1) depict the distribution of Carcharhinus species across the basin, 2) identify potentially relevant areas for their conservation, and 3) evaluate people’s attitude toward shark protection. In addition, we administered 112 questionnaires in one o…
The model for public television and the young audience’s expectations. Differences between Great Britain and Spain in the perception of qualities and…
2017
Public service media (PSM) are in crisis throughout Europe. As a scenario for research, the two extremes of the background have been chosen: the first, BBC, is at the heart of media system, has become a model for the others and has just finished the particularly delicate challenge of renewal the fundamental law that is to rule over the next ten years; the second is on the periphery of public television, and in the extreme circumstances in Spain that have driven some of the television corporations to extinction, such as Canal 9 -Radiotelevisió Valenciana (RTVV). Using a method based on the use of semi-structured interviews and Delphi, the conception of these media models among their respecti…
Observing animals and humans : dogs target their gaze to the biological information in natural scenes
2020
Background This study examines how dogs observe images of natural scenes containing living creatures (wild animals, dogs and humans) recorded with eye gaze tracking. Because dogs have had limited exposure to wild animals in their lives, we also consider the natural novelty of the wild animal images for the dogs. Methods The eye gaze of dogs was recorded while they viewed natural images containing dogs, humans, and wild animals. Three categories of images were used: naturalistic landscape images containing single humans or animals, full body images containing a single human or an animal, and full body images containing a pair of humans or animals. The gazing behavior of two dog populations,…