In this article, the authors describe their use of simultaneous observations of the 2016 transit of Mercury made from two widely separated locations on Earth to determine the distance to the Sun in a way different from that suggested in 1715 by Halley. Using an internet link, teachers and students can make a similar derivation at the 2019 transit…

The three non-profit student exchange organizations AFS, Experiment and YFU, have been running a special assessment center for the development of skills necessary for volunteers working in international student exchange. This paper presents the goals and intentions behind this tool and also discusses the use of human resource development tools in…

Based on literature and research on discussion and on educational techniques to improve discussion moderators behaviors, a training program was developed for pre- and in-service teacher educators, business and industry executives and university professors (23 to 28 hours, three and a half days). This program was tested for its effectiveness with…

This article presents information on 2 international educational effectiveness studies, one completed and the other ongoing. The 2nd study is, to a large degree, a reaction to a methodological problem encountered in the 1st study, the lack of an internationally valid instrument measuring teacher effectiveness. This article presents 4 reasons for…

Presents the results of an evaluation study analyzing the application of peer group supervision at seven German primary schools. Investigates whether participation in school-specific groups that had been introduced in the method of peer group supervision leads to changes in teachers' consulting behaviors. (CMK)