We report on an innovative design of algorithmic analysis that supports automatic online assessment of students' exploration of geometry propositions in a dynamic geometry environment. We hypothesized that difficulties with and misuse of terms or logic in conjectures are rooted in the early exploration stages of inquiry. We developed a generic…

Although the benefits of addressing cognitive, social and affective aspects of learning in order to support conceptual change have been discussed in the literature, there are few studies of such interventions in the normal classroom. This study used a multidimensional conceptual change framework in order to teach five biology and physics topics…