Ecrire son anxiété pour réduire l’effet du stress aux examens. Les recherches en sciences sociales publiées dans la revue Science ne sont pas légion, alors elles méritent bien qu’on s’y intéresse un peu !
Un article [1] paru récemment a montré par des expériences contrôlées que le fait d’écrire son anxiété juste avant un examen peut permettre aux élèves d’améliorer leurs résultats scolaires. Cette étude menée par G. Shibuichi. Kashira made of dark-finished shibuichi, with gold highlights Shibuichi (四分一?)
Is an alloy which can be patinated into a range of subtle muted shades of blue or green, through the use of rokushō treatments. Its name means "one-fourth" in Japanese and indicates the standard formulation of one part silver to three parts copper, though this may be varied according to the desired effect. A 5% silver / 95% copper alloy is also marketed as "shibuichi".[1] A wide range of colours can be achieved using the whole range of alloy compositions, even above 50% silver. 90% Copper and 10% Silver for a dark grey and down to 70% Copper and 30% Silver for lighter greys.[2] It is a common misconception that both copper and silver oxides form, but in fact a detailed study has shown that only copper oxides are formed on the copper rich regions of the material's microstructure, while the silver rich regions are left largely untouched.
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