Web technologies applied to virtual heritage: An example of an Iberian Art Museum

Nowadays, some virtual museums include 3D room scenes to show the models of its pieces, just like in real museums. Nevertheless, the generation and maintenance of this kind of scenes is generally difficult and should be done by an expert. For example, any change such as including a new piece or modifying the position of an existing fragment usually requires a different design and the creation of a new scene. In this paper we present a case study on the development of a web-based application to automatize this process. To this end, a database to store both graphic and non-graphic information about the pieces, and some 3D rooms to show them has been created. The designed scenes only contain some pieces of furniture to exhibit the fragments, which will be subsequently included. Thus, when a room is loaded in the web page, its associated pieces are obtained through a query in the database and its models are dynamically included in the original scene. Therefore, the position changes or the inclusion of new pieces are not performed in the 3D model, but in the database. Our application makes the transmission of the knowledge to the general public easier because any new discovered piece can be included in a existing museum effortlessly.     

Learning and the development of social identities in the subjects Care and Technology

This article discusses the way in which social identities structure the learning processes of students in two subjects in the Dutch secondary school curriculum—Care and Technology. It analyses interviews with 23 students and their teachers with a view to explaining the disappointing results in these subjects in terms of breaking through gender and class‐related preferences and learning outcomes. The subjects Care and Technology refer to social practices with which groups of students identify in different ways. On the other hand, students also appear to make active use of these subjects in their identity development. The authors argue for explicitly combining the notion that learning is peripheral participation in social practices with analyses of the power relationships that structure those practices. Also, the question should be addressed of how the relative autonomy of the school can be used for organizing learning experiences in such a way that the constraints of social position and identity are reduced, and the restrictive character of social identities is challenged.     

Expert Judgment Versus Public Opinion – Evidence from the Eurovision Song Contest

For centuries, there have been discussions as to whether only experts can judge the quality of cultural output, or whether the taste of the public also has merit. This paper tries to answer that question empirically, using national finals of the Eurovision Song Contest. We show that experts are better judges of quality in the sense that the outcome of finals judged by experts is less sensitive to factors unrelated to quality than the outcome of finals judged by public opinion. Yet, experts are not perfect; their judgment does still depend on such factors. This is also the case in the European finals of the contest.     

Stability studies of common biochemical analytes in serum separator tubes with or without gel barrier subjected to various storage conditions

Introduction

The collected and shipped blood samples are exposed to a various extra-analytical factors prior to analysis. The aim of the study was to determine the stability of analytes in serum gel tubes and plain tubes exposed to a range of storage temperatures and times after centrifugation.

Materials and methods:

Fifteen healthy volunteers were recruited and venous blood was collected into four tubes, two with and two without gel separator. Analyzing the baseline samples in 30 min, all were stored at 4ºC or 24ºC for 6, 12, 18, 24, 30, 36, 48 and 72 hours and 1 week. Sixteen biochemical anaytes were measured on each sample. Variations remained under the desirable bias considered as clinically insignificant.

Results:

On day three, most analytes remained stable including albumin, protein, creatinine, cholesterol, triglycerides, gamma-glutamyl transferase (GGT), alkaline phosphatase (ALP), alanine aminotransferase (ALT), creatine kinase (CK), lactate dehydrogenase (LD) regardless of tube types. Glucose concentration decreased markedly (P = 0.001) beginning from the first hours of storage in plain serum. The stability maximized for the analytes including glucose, total bilirubin, urea nitrogen (BUN), uric acid stored at 4 ºC in gel tubes. Aspartate aminotransferase (AST) activity increased significantly (P = 0.002) up to 48-h, however bias was not significant clinically. High density lipoprotein (HDL) concentration was stable in gel tubes at 24 ºC, in plain tubes at 4 ºC stored up to 36-h.

Conclusion:

Serum gel or non-gel tubes might be used interchangeably for 11 analytes chilled or at 24 ºC, whereas some restrictions must be applied for glucose, AST, BUN, HDL, and uric acid.     

Are determining factors of municipal E-government common to a worldwide municipal view? An intra-country comparison

The implementation of E-government aims at simplifying and improving the transactions between public administrations and their users or customers. The objective of this study is to analyze whether the factors behind the level of development of E-government among municipalities of a specific country are common to the improvement of digital administration in the largest municipalities from 81 countries worldwide. While previous studies provide evidence that municipalities from the same country, mainly those governed by left-wing parties, focus on differentiating themselves in the content of their Web sites, our findings emphasize that internationally, in the most important municipalities worldwide, all the political parties attempt to promote the development of a dynamic and participatory E-government.     

Raman mapping analysis of pigments from Proas Iluminadas by Quinquela Martín

The painting Proas Iluminadas (Illuminated Bows) by Benito Quinquela Martín is studied by Raman spectroscopy in order to analyse the technique and the pigments employed by the artist: ultramarine blue, carbon black, cadmium-sulphure based compounds for the hue of yellow, orange and red; also zinc white, barium yellow, massicot yellow and viridian were observed. The importance of using different excitation laser lines in the analysis of mixtures of pigments is highlighted. The Raman mapping analysis of cross section samples shows the way the artist composed the ground layer: a lead white stratum over a calcite one. It also allows distinguishing between a mixture of components and strata superposition, both presenting the same appearance under an optical microscope. This paper provides information about the materials and techniques used in a period of Argentine art not studied before from this point of view.     

Teachers' goals regarding social competence

This article focuses on the enhancement of social competence of students in secondary education. In the literature two perspectives on social competence can be distinguished: an ‘educating for adulthood’ perspective and an ‘educating for citizenship’ perspective. From each perspective goals are formulated for what education should be aimed at and what teachers could strive for. By means of a survey, teachers' educational goals regarding the social domain were explored. The results show that teachers unanimously emphasize educational goals from the ‘educating for adulthood’ perspective. The citizenship goals receive less attention. Irrespective of the perspective, pre‐vocational teachers appear less confident than general secondary teachers regarding the attainability of the goals for their students. They intend to contribute to the development of social competence of their students in their own lessons more often. In conclusion, we argue that teaching strategies should be developed that support teachers' contribution to their students' development of social competence, particularly the citizenship elements.

Cet article traite l'apprentissage d'une compétence sociale des élèves dans l'éducation secondaire. La littérature professionnelle distingue deux visions sur la compétence sociale: une vision orientée vers l'âge adulte et l'autre orientée vers la citoyennet. Chacune des ces visions connaît des objectifs spécifiques qui amènent leur propre façon d'enseignement et le rôle de l'enseignant là‐dedans. Les objectifs éducatifs des professeurs concernant le domaine social ont été explorés au moyen d'un aperçu. Les résultats prouvent que les professeurs soulignent unanimement les objectifs éducatifs s'orientant vers âge adulte, tandis que les objectifs s'orientant vers la citoyenneté suscitent moins d'attention. Indépendamment de ces deux visions, les professeurs du primaire semblent moins confiants que les professeurs du secondaire quand il s'agit de la faisabilité des objectifs par leurs élèves. Ceux‐là sont plus souvent prêts à contribuer au développement de la compétence sociale de leurs élèves pendant leurs propres leçons. En conclusion nous plaidons en faveur du développement de stratégies d'enseignement stimulant les professeurs à contribuer à la compétence sociale de leurs élèves, en particulier en ce qui concerne les aspects de citoyenneté.

Dieser Aufsatz beschäftigt sich mit der Verbesserung der Sozialkompetenz von Schülern im Sekundarbereich. In der Fachliteratur zum Thema Sozialkompetenz lassen sich zwei Perspektiven unterscheiden: Erstens die der “Erziehung zum Erwachsenen” und zweitens die der “Erziehung zum Staatsbürger”. Aus beiden Perspektiven werden für den Ausbildungssektor und für die Leherarbeit Ziele formuliert. Mittels einer Umfrage wurde in dieser Studie ermittelt, welche pädagogischen Ziele Lehrer sich im Bereich der sozialen Kompetenz setzen. Die Ergebnisse zeigen, dass Lehrer einstimmig pädagogische Ziele aus der Perspektive der “Erziehung zum Erwachsenen” betonen. Im Vergleich dazu erhalten Staatsbürgerschaftsziele weniger Aufmerksamkeit. In Bezug auf die erreichbarkeit der Ziele für ihre Schüler zeigen sich Lehrer im berufsvorbereitenden Unterricht, ungeachtet der Perspektive, weniger zuversichtlich als Lehrer im allgemeinbildenden Bereich. Sie haben häufiger die Absicht in ihrem eigenen Unterricht zur Entwicklung der Sozialkompetenz ihrer Schüler beizutragen. Wir schlussfolgern, dass Unterrichtsstrategien zu entwickeln sind, die Lehrern dabei helfen können, zur Entwicklung der Sozialkompetenz ihrer Schüler beizutragen, besonders dort wo es um die Staatsbürgerschaftelemente geht.

Este artículo se centra en la importancia de la competencia social de los alumnos en la educación secundaria. En la literatura se pueden distinguir dos perspectivas acerca de la competencia social: una perspectiva `que se dirige a una educación para la edad adulta' y una perspectiva `que se dirige a una educación para la ciudadanía'. Desde cada perspectiva se han formulado las metas que deben de alcanzar tanto la educación como los profesores. A través de una investigación se exploraron las metas de los profesores respecto al dominio social. Los resultados demuestran que los profesores de forma unánime dan más importancia a las metas educativas desde la perspectiva de ‘adulthood’. A las metas acerca de la ciudadanía se presta menos atención. Independientemente de la perspectiva, los profesores prevocacionales parecen tener menos confidencia que los profesores de secundaria que los alumnos alcancen las metas. Más a menudo tienden a contribuir al desarrollo de la competencia social de los alumnos en sus propias clases. Concluyendo, discutimos que se desarrollen las estrategias de aprendizaje que soportan la contribución del profesor al desarrollo de la competencia social del alumno, sobre todo los elementos de ciudadanía.