Presents a model to analyze conceptual evolution in the classroom, based on the notion of conceptual profile. Suggests that it is possible to use different ways of thinking in different domains, a new concept does not necessarily replace previous ideas, and learning science is to change a conceptual profile and become conscious of different zones…

While the use of ethnographic and qualitative research methods has spread across many fields of educational inquiry, until recently this has had little impact on research in science education. However, there is currently a methodological shift taking place in this area, prompted by the rise of a sociocultural perspective on cognition, which sees…

A central focus in the study of metacognition is that readers need to recognize what they know about a topic, they need to realize when they have read something they do not understand, and they need to know how to remediate any discrepancies in their understanding. This paper is presented in three sections. The first section discusses what is…