In this paper, we analyse the results of an experience designed and implemented to evaluate the epistemic and cognitive conflicts identified in the study of proportionality, carried out by a group of 21 students in their last year of primary education. Initially the students exhibit difficulties to recognize situations where proportionality can be…

Complexities of social problems in our globalised world pose new educational challenges, including how to empower citizens for active engagement with socioscientific issues. This study describes the analysis and discussion of an activist video as the first phase in an activist education programme. Participants were 104 preservice primary teachers…

This study is framed in the social perspective of Epistemology of Science, and it aims to examine the epistemic operations performed by high school students while engaged in a role-play about food safety that requires them to engage in both argumentation and decision-making practices. The epistemic operations are examined on two different levels:…

From a commognitive approach, this article focuses on the discourse generated by preservice primary teachers who are solving didactic-mathematical tasks. Our aims are to study the characteristics of the aforementioned discourse and, through these characteristics, identify whether a discourse close to the one of primary teachers is beginning to…