The elitism dispositif: hierarchization,discourses of excellence and organizational change in European economics

From the 1990s onwards, economics departments in Europe have changed toward a culture of “excellence.” Strong academic hierarchies and new forms of academic organization replace “institutes” and “colleges” by fully equipped “economics departments.” This article seeks to demonstrate how and why hierarchization, discourses of excellence and organizational change takes place in European economics departments. The concept of “elitism dispositif” will be developed in order to understand these changes as a discursive as well as power-related phenomenon based on rankings, on the formation of new academic classes as well as on the construction of an elite myth. An elitism dispositif is defined as a discursive power apparatus that transforms symbolic differences among researchers, constructed by rankings, into material inequalities, based on an unequal distribution of academic capital between departments and researchers. Based on an empirical study, the article will focus on a selection of economics departments in Germany and in the UK, in order to study the emergence of an “elite class” as well as the functioning of an “excellence culture” that is based on discourses of power and inequality.     

Slowmation: Preservice elementary teachers representing science knowledge through creating multimodal digital animations

Research has identified the value of learners using technology to construct their own representations of science concepts. In this study, we investigate how learners, such as preservice elementary teachers, design and make a narrated animation to represent their science knowledge. The type of animation exemplified is called a “Slowmation” (abbreviated from “Slow Animation”), which is a simplified way for preservice teachers to make an animation that integrates features from claymation, object animation, and digital storytelling. Drawing on semiotic theory, a case study of three preservice elementary teachers, who were audio and video recorded as they created a slowmation, illustrates how the construction process enabled them to engage with a science concept in multiple ways. Findings suggest that when preservice teachers create a slowmation, they design and make a sequence of five representations, each being a semiotic system with particular affordances that link as a semiotic progression: (i) research notes; (ii) storyboard; (iii) models; and (iv) digital photographs, which culminate in (v) a narrated animation. In this study, the authors present their theoretical framework, explain how the preservice teachers created a slowmation using a sequence of representations to show their science knowledge and discuss the implications of these findings for learners in universities and schools. © 2011 Wiley Periodicals, Inc. J Res Sci Teach 48: 985–1009, 2011     

Children’s informal learning in the context of schools of the knowledge society

This paper builds on a key finding of a 5-year Danish research project con-cerning children in the 7 to 15 age group: children’s principal use of computers and the internet takes place in their spare time, and it is during their spare time that the majority of children really learn how to use interactive media. The project shows that in children’s spare-time use of ICT they employ informal forms of learning based to a large extent on their social interaction both in physical and virtual spaces. These informal learning forms can be identified as learning hierarchies, learning communities and learning networks; they are important contributions to the school of the knowledge society. The ICT in New Learning Environments project based on anthropologically inspired methods and social learning theories shows that students bring their informal forms of learning into the school context. This happens particularly when the school has undergone physical alterations and when its organisation of learning and teaching are also restructured, with project-based learning becoming an important part of the school work and with the media available in the learning environment. Using organisation theory, the school working with ICT and project-based learning is shown to simultaneously constitute a mixed mode between the school of the industrial and the knowledge society. The research shows that it is possible to tip the balance in the direction of the school of the knowledge society, and thus of the future, by comprehensively using ICT and project work in the day-to-day activities of the school, alongside and integrated with the traditional forms of learning, and not least by employing the informal learning processes children develop outside school. For teachers this will mean an extension of their function: no longer merely communicators of knowledge, they will have to become knowledge managers and overall leaders of projects, and this entails much more dialogue with the pupils.

Modular microfluidic system as a model of cystic fibrosis airways

A modular microfluidic airways model system that can simulate the changes in oxygen tension in different compartments of the cystic fibrosis (CF) airways was designed, developed, and tested. The fully reconfigurable system composed of modules with different functionalities: multichannel peristaltic pumps, bubble traps, gas exchange chip, and cell culture chambers. We have successfully applied this system for studying the antibiotic therapy of Pseudomonas aeruginosa, the bacteria mainly responsible for morbidity and mortality in cystic fibrosis, in different oxygen environments. Furthermore, we have mimicked the bacterial reinoculation of the aerobic compartments (lower respiratory tract) from the anaerobic compartments (cystic fibrosis sinuses) following an antibiotic treatment. This effect is hypothesised as the one on the main reasons for recurrent lung infections in cystic fibrosis patients.     

Renal lactate elimination is maintained during moderate exercise in humans

Reduced hepatic lactate elimination initiates blood lactate accumulation during incremental exercise. In this study, we wished to determine whether renal lactate elimination contributes to the initiation of blood lactate accumulation. The renal arterial-to-venous (a-v) lactate difference was determined in nine men during sodium lactate infusion to enhance the evaluation (0.5 mol x L(-1) at 16 ± 1 mL x min(-1); mean ± s) both at rest and during cycling exercise (heart rate 139 ± 5 beats x min(-1)). The renal release of erythropoietin was used to detect kidney tissue ischaemia. At rest, the a-v O(2) (CaO(2)-CvO(2)) and lactate concentration differences were 0.8 ± 0.2 and 0.02 ± 0.02 mmol x L(-1), respectively. During exercise, arterial lactate and CaO(2)-CvO(2) increased to 7.1 ± 1.1 and 2.6 ± 0.8 mmol x L(-1), respectively (P < 0.05), indicating a -70% reduction of renal blood flow with no significant change in the renal venous erythropoietin concentration (0.8 ± 1.4 U x L(-1)). The a-v lactate concentration difference increased to 0.5 ± 0.8 mmol x L(-1), indicating similar lactate elimination as at rest. In conclusion, a -70% reduction in renal blood flow does not provoke critical renal ischaemia, and renal lactate elimination is maintained. Thus, kidney lactate elimination is unlikely to contribute to the initial blood lactate accumulation during progressive exercise.     

Product Quality Assurance Project for Teaching of Food Analysis

ABSTRACT: Two of the challenges in teaching Food Analysis are bringing relevance to the various chemical and physical analyses discussed and exposing students to the realities of quality assurance in the food industry. In a project to help meet those objectives, each student, with the assistance of a "resource person" from the food industry, completes the project as if he or she is responsible for the quality assurance analyses of a specific food product in a food company. The student identifies the chemical, physical, sensory, and microbial analyses for raw ingredients, in-process products, and the finished product. The project requires the student to participate in related class discussion, prepare a final written report, and make a brief class presentation. Analysis of survey data showed the project was more than moderately relevant or useful to former students working in the food industry, and related directly to the initial or current positions of most former students.