Teachers select multiple representations and adopt multiple visualization approaches in supporting their students to make meaning of chemical phenomena. Representational competence underpins students' construction of their mental models of concepts thus it is important that teachers consider this while developing instructional resources. In…

A common use of technology in higher education is the provision of online course materials, invoking an investigation of the ways in which students engage with online course content, and how their participation changes over time. This is particularly necessary in the context of high absenteeism from lectures, where online access may be the only…

There is a tendency for lecture-based instruction in large introductory science courses to strongly focus on the delivery of discipline-specific technical terminology and fundamental concepts, sometimes to the detriment of opportunities for application of learned knowledge in evidence-based critical-thinking activities. We sought to improve…

This research presents the results of a study of alternative response methods for in class formative questioning. Students' anonymity from their peers and instructor was studied through a research design that maintained a constant interactive teaching strategy in a large lecture hall, in all respects except for the method used by students to…