Search results for "Emergent"

Ecotoxicity of sediments in rivers: Invertebrate community, toxicity bioassays and the toxic unit approach as complementary assessment tools

2015

The determination of the real toxicity of sediments in aquatic ecosystems is challenging and necessary for an appropriate risk assessment. Different approaches have been developed and applied over the last several decades. Currently, the joint implementation of chemical, ecological and toxicological tools is recommended for an appropriate and successful toxicity risk assessment. We chose the combination of the toxic unit approach with acute pore water tests (Vibrio fischeri, Pseudokirchneriella subcapitata and Daphnia magna) and whole-sediment exposure tests (V. fischeri, Chironomus riparius), together with invertebrate community composition (multivariate analyses) to detect short and long-…

Pesticide monitoring in the basin of Llobregat River (Catalonia, Spain) and comparison with historical data.

2014

Through an extensive sampling in the Llobregat River basin, the presence of 50 currently used pesticides in water, sediment, and biota was assessed. Pesticides were detected primarily in water (up to 56% of the analytes), whereas their presence in sediments was more intermittent, and in biota was scarce. Those at high concentrations in water were the benzimidazoles (carbendazim in 22% of the samples up to 697ngL-1), the organophosphorus (malathion in 54% of the samples up to 320ngL-1), and the ureas (diuron in 54% of the samples up to 159ngL-1). However, this pattern differed in sediments and biota, which were contaminated primarily with organophosphorus (higher Kow) (chlorpyrifos 93% of se…

Food literacy predictors and associations with physical and emergent literacy in pre-schoolers: results from the Training-to-Health Project

2019

AbstractObjective:Food literacy (FL) is a crucial need encompassing basic literacy and fundamental movement skills. The present study aimed to investigate the FL level in pre-schoolers and to evaluate the effect of potential predictors and the associations with gross motor and emergent literacy skills.Design:Cross-sectional study conducted within the Training-to-Health Project.Setting:Kindergartens (n 21) in the Palermo City Council, Italy.Participants:Pre-school children aged 3–6 years (n 921) followed education sessions on nutritional topics, practical activities and compiled prearranged sheets. FL was assessed by the five-domain toolkit ‘preschool-FLAT’; gross motor and emergent literacy…

Categorization in Discourse and Grammar

2016

This collection of papers addresses new trends in Cognitive Linguistics. Three parts of the book focus on Conceptual Metaphor Theory and Integration Network Analysis. Both the theoretical contributions and the empirical case studies stress the importance of contextual factors in the meaning making processes. They employ qualitative methods to analyze the use of metaphor in political discourse and in the conceptualization of emotions. The data sets include multimodal data, sign languages and co-speech gestures. The fourth part of the book contains two corpus-based studies. The fifth part concentrates on the grammatical categories of passive voice and aspect. One contribution discusses the pr…

The Role of Curriculum Theory in Contemporary Higher Education Research and Practice

2017

In the light of recent debates on the possible issues in curriculum studies, formulated particularly in the field of sociology of education, this chapter discusses the role and the importance of curriculum theories in higher education. Focusing on the historical and the conceptual roots of curriculum theory approaches, the argument is that the dispute and the separation between normative and critical roles of curriculum theories are important to overcome in today’s competency-based and outcome-focused context of higher education. Basil Bernstein’s ideas on the vital role of knowledge are discussed in relation to the origins of the so-called crisis in curriculum theories. It is suggested tha…

Collaboration interprofessionnelle et émergence de la confiance en management hospitalier

2022

Patient support requires interprofessional collaboration that is complex to implement in hospital organizations. According to the literature, this is closely linked to the emergence of trust. This emergence depends on organizational factors that are only partially identified in the literature, the links established remaining minimal and imprecise. We propose in this qualitative study carried out with 32 agents of the public hospital service to specify and complete these links. In particular, this work opens up new perspectives regarding organizational factors such as connectivity, values, common goals, etc. The identified factors are declined through 2 perspectives directly transposable in …

Economics of Knowledge and Emergent Qualitative Changes

Economics of Knowledge and Emergent Qualitative Changes The traditional economics has its barycentre on the static equilibrium and on the allocation of the scarce resources for alternative uses, on the linear rationality. The economics of knowledge founds instead, upon a reflexive rationality, that has a long run, that acts as dynamic force does not management inside the usual trade-off of resources. The economics of knowledge and the real economy are changing deeply, the subjectivities that are compared through the market and in institutions they become less impersonal and less deterministic. Persons are entrusted less to the automatism of machines or organizational and they discover the r…

How to Raise Different Game Collaboration Activities : The Association Between Game Mechanics, Players' Roles and Collaboration Processes

2018

Background. Designing collaborative three-dimensional (3D) learning games is one way to enhance the quality of learning and respond to the needs of working life. However, there is little research on how to apply different game mechanics to support different educational aims.Aim. This study determines how game mechanics implemented within computer-supported collaboration roles (scripted vs. emergent) are associated with the emergence of collaboration.Method. The research at hand applies both qualitative and quantitative content analysis. The target group consisted of 15 vocational school students. The data were gathered by recording the groups’ discussions and saving the game logs. A total o…

How Are Practice and Performance Related? Development of Reading From Age 5 to 15

2021

Does reading a lot lead to better reading skills, or does reading a lot follow from high initial reading skills? The authors present a longitudinal study of how much children choose to read and how well they decode and comprehend texts. This is the first study to examine the codevelopment of print exposure with both fluency and comprehension throughout childhood using autocorrelations. Print exposure was operationalized as children’s amount of independent reading for pleasure. Two hundred children were followed from age 5 to age 15. Print exposure was assessed at ages 5, 7, 8, 9, and 13. Prereading skills were tested at age 5 and reading skills at ages 7, 8, 9, 14, and 15 (the latter with t…

Perfluoroalkyl substances in the Ebro and Guadalquivir river basins (Spain).

2015

Mediterranean rivers are characteristically irregular with changes in flow and located in high population density areas. This affects the concentration of pollutants in the aquatic environments. In this study, the occurrence and sources of 21 perfluoroalkyl substances (PFASs) were determined in water, sediment and biota of the Ebro and Guadalquivir river basins (Spain). In water samples, of 21 analytes screened, 11 were found in Ebro and 9 in Guadalquivir. In both basins, the most frequents were PFBA, PFPeA and PFOA. Maximum concentration was detected for PFBA, up to 251.3ngL-1 in Ebro and 742.9ngL-1 in Guadalquivir. Regarding the sediments, 8 PFASs were detected in the samples from Ebro an…