The conflict between on-task and off-task actions in the classroom and its consequences for motivation and achievement

The relations between students’ value orientations, decisions in conflicts between on-task and off-task actions in the classroom, and experiences of motivational interference following these conflicts were investigated. It was expected that well-being value orientation was positively linked and achievement value orientation was negatively linked to decision for off-task behavior in such conflicts and that the higher students’ well-being value orientation, the higher their motivational impairment when deciding for the on-task behavior and the lower when deciding for the off-task behavior. For achievement orientation, the relationships were predicted to be reversed. The experience of motivational interference while performing on-task behavior was, in turn, expected to be related to worse grades. Data from 817 students (mean age 13.44) from 35 classrooms were collected using self-report questionnaires and analyzed in a series of hierarchical linear models. Analyses showed the relationships as predicted. All relationships found were comparable to the relationships found for a conflict between school and leisure actions after class. Results point out that even if students resist the off-task temptation in class, the mere possibility of off-task behavior can impair motivation and achievement.     

Lead soaps in paintings: Friends or foes?

The origin(s) and role(s) of metal soaps in paints are a worldwide concern today. These hybrid compounds, containing both fatty acid chains and metals associated with a carboxylate function, are increasingly identified in paints. As reviewed in the first part of this work, the presence of metal soaps in paints is differently interpreted in scientific publications: metal soaps are sometimes considered to play a positive role as anchor points, during paint drying processes; they can also be considered as responsible for many degradation processes (protrusions, efflorescences, darkening, etc.). Their origins are also interpreted in various ways. In some paintings (in particular from the twentieth century), they have sometimes introduced on purpose, as additives, to modify the physical properties of the painting materials. In older paintings, metal soaps are usually thought to result from an uncontrolled reaction of oil with lead-based pigments, in particular lead white, red lead, and lead tin yellow. In the second part of this work, the review of historical recipes of lead-based paint shows an important number of recipes based on controlled mixing of oil with lead driers. In the third part, the experimental reproduction of such traditional recipes using walnut oil and litharge (PbO) shows that lead soaps can be formed, both in about one hour at ～100°C, or in about one month at room temperature. It shows as well that after a few years, litharge is no longer detected in the paint medium, while different lead carbonates are. Finally, the micro-infrared spectroscopy and micro-X-ray diffraction re-analysis of protrusions from a nine-year model painting shows together with lead soaps, the presence of Pb₅(CO₃)₃(OH)₂O (‘synthetic plumbonacrite’), an unusual phase recently observed in a protrusion from a painting by Vincent Van Gogh. This work highlights (i) the multiple origins and roles of metal soaps in paints and (ii) the importance of combining the analysis of fragments from historical paintings with the analysis and reproduction of historical recipes. In particular, we show that the components detected today in historical paintings may severely differ from those originally used or prepared by the painter, complicating the assessment of the painter's intentions. More than the presence of metal soaps, the key questions to be tackled should be about their origins and (re)mobilization.     

FACILITATING THE DEVELOPMENT OF TALENTS

World class pioneering achievements are a nation's most valuable asset. They arise from the efforts of talents‐people of extraordinary ability. The vital task of fostering the emergence of such talents requires a concentrated effort covering the entire lifespan. Significant factors are parents, contemporaries and teachers as well as media, the societal atmosphere and contact with great social and scientific issues. These must act together to produce talents with not only the ability but also the dedication to achieve.

     

Effekte videobasierter Trainings zur Förderung der Selbstwirksamkeitsüberzeugungen über Klassenführung im Grundschulunterricht

Self-efficacy in classroom management and knowledge on classroom management are important teacher resources regarding their health. Fostering student teachers in their self-efficacy in classroom management and situated knowledge on classroom management is a promising approach for reducing reality shock at the beginning of in-service teaching. Thus, the present quasi-experimental pre-post control group study investigates whether video-based and practice-oriented coursework in teacher education can promote self-efficacy in classroom management and the professional vision of classroom management. Analyzing own classroom videos as well as analyzing videos from other teachers lead to a significantly higher latent increase in self-efficacy and professional vision than that of a control group. This was only the case for professional vision in a course with own teaching elements but without video analysis.     

Discourse and the new didactics of scientific literacy

This study examines ways in which students’ experiences of a culturally‐sensitive curriculum may contribute to their developing sense of ethnic identity. It uses a narrative‐inquiry approach to explore students’ experiences of the interaction of culture and curriculum in a Canadian inner‐city, middle‐school context. It considers ways in which the curriculum may be interpreted as the intersection of the students’ home and school cultures. Teachers, administrators, and other members of the school community made efforts to be accepting of the diverse ethnic, linguistic, and religious backgrounds that students brought to the school. However, examination of students’ experiences of school curriculum events and activities revealed ways in which balancing affiliation to their home cultures while at the same time abiding by expectations of their teachers and peers in their school context could be difficult. The stories highlight ways in which curriculum activities and events may contribute to shaping the ethnic identity of students in ways not anticipated by teachers, administrators, and policy‐makers.     

Is second language teaching enslavement or empowerment? Insights from an Hegelian perspective

Whether second language (L2) teaching contributes to the enslavement or empowerment of learners has become a branch in Teaching English to Speakers of Other Languages research. More and more discussions are emerging, and they tend to base on more and more diverse theoretical frameworks. This article aims to shed light on this issue by exploring it from a Hegelian framework of language. Among Hegel’s theories of language, two notions, namely, mutual recognition and universalisation of culture are selected for discussions. The conclusion is that based on Hegel’s theories of language L2 teaching has a stronger tendency of contributing to the empowerment of learners.