Policy evaluation studies, which assess the effect of an intervention, face statistical challenges: in real-world settings treatments are not randomly assigned and the analysis might be complicated by the presence of interference among units. Researchers have started to develop methods that allow to manage spillovers in observational studies;…

When the newly appointed professor of medicine at the University of Rinteln, Johann Peter Lotichius (1598-1669), delivered an oration entitled "Oratio super fatalibus hoc tempore academiarum in Germania periculis" ("Oration on the pernicious dangers to the universities of contemporary Germany") at said university in February…

This paper examines the role of professionalism in teachers' change in practice related to dialogue and argumentation. Data were collected from 14 pre-primary and primary school teachers who participated in a professional development programme with an emphasis on promoting values such as tolerance, empathy, inclusion and social responsibility…