The national science standards, along with prominent researchers, call for increased focus on scientific argumentation in the classroom. Over the past decade, researchers have developed sophisticated online science learning environments to support these opportunities for scientific argumentation. Assessing the quality of dialogic argumentation,…

This study examined the representation of knowledge in text writing in 20 ten-year-old children and 20 adults in the Netherlands. The research analyzed the use of clause linking devices to compose larger text units. Special attention was given to the use of causal relational markers and the extent to which causal relations within the texts matched…

Extends a Foucauldian view of power/knowledge to the archetypical knowledge-intensive organization, the scientific research laboratory. Describes the discursive production of power/knowledge at the "big science" laboratory conducting nuclear fusion research and illuminates a critical incident in which the fusion research…