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Dawson, Vaille; Venville, Grady Jane – International Journal of Science Education, 2009
The aim of this research was to explore Australian high-school students' argumentation and informal reasoning about biotechnology. Data were obtained from semi-structured interviews with 10 Year-8 students (12-13 years old), 14 Year-10 students (14-15 years old) and 6 Year-12 students (16-17 years old) from six metropolitan high schools in Perth,…
Descriptors: Persuasive Discourse, Biotechnology, Foreign Countries, Scientific Literacy
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Pozo, Juan Ignacio; Gomez Crespo, Miguel Angel – Cognition and Instruction, 2005
Recent research has revealed the existence of intuitive representations strongly rooted in diverse knowledge domains and the difficulties of modifying those representations through instruction by means of conceptual change processes (Carey, 1995; Gopnik & Meltzoff, 1997; Vosniadou, 1994). According to some interpretations, these representations…
Descriptors: Chemistry, Scientific Concepts, Science Instruction, Concept Formation