This article aims to provide more insight into advantages and challenges of conducting action research with the intention to improve health care. Action research is distinctive in the sense that the researcher has a dual role as both researcher and implementer of the program studied. The article is based on two Norwegian action-oriented studies that aimed to explore the potential role of online...

S ome vertebrates, such as fi sh, amphibians, and lizards, have the ability to replace lost limbs and regenerate organs. Regeneration requires the reactivation of signaling molecules that were used during embryonic development. Weidinger has spent his career so far studying aspects of zebrafish embryogenesis, including the role of Wnt signaling molecules (1, 2), and has more recently been inves...

This paper focuses on argumentative diagrams for computer-supported collaborative argumentation-based learning. Thirty pairs of students discussed two cases on the topic of Genetically Modified Organisms (GMOs) via the computer. They communicated via chat. Pairs of students were either asked to collaboratively construct a diagram using argumentative labels to describe the boxes in the diagram, ...