There is increasing consensus among psycho-educational scholars about argumentation as a means to improve student knowledge and understanding of subject matter. In this article, we argue that, notwithstanding a strong theoretical rationale, causal evidence is not abundant, definitions of the objects of study (argumentation, learning) are often not…

Much research and many publications have dealt with the concepts of rural-urban differences, but the controversy regarding the conceptual clarity of the variables remains. Assuming that these variables need clarification, this paper: (1) examines some of the conceptual and methodological problems involved in rural-urban differentiation, (2)…