The aims of this paper are twofold. First, we present, justify, and characterise an instrument for analysing students' argumentative reasoning developed from Walton's ideas. Then, from the analysis of students' argumentative discussion about a socio-scientific controversy, we identify the advantages and disadvantages of using the instrument. The…

"The Most Reasonable Answer" is an innovative and comprehensive guide to engaging students in inquiry dialogue--a type of talk used in text-based classroom discussions. During inquiry dialogue, students collectively search for the most reasonable answers to big, controversial questions, and, as a result, enhance their argumentation…

Scientific expertise and outcomes often give rise to controversy. An educational response that equips students to take part in such discussions is the teaching of socially acute questions (SAQs). With SAQs, the understanding of uncertainty, risk and how knowledge is developed is central. This study explores the way in which students from different…