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Direct linkvan Eijck, Michiel; Roth, Wolff-Michael – Journal of Research in Science Teaching, 2008
This study investigated the representations of a select group of scientists (n = 10) in a sample of Canadian high school and college textbooks. Drawing on semiotic and cultural-historical activity theoretical frameworks, we conducted two analyses. A coarse-grained, quantitative analysis of the prevalence and structure of these representations…
Descriptors: Textbooks, Scientists, College Science, Secondary School Science
Clark, Douglas B.; Sampson, Victor – Journal of Research in Science Teaching, 2008
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,…
Descriptors: Persuasive Discourse, Interrater Reliability, Concept Formation, Discourse Modes
