“…Previous clickers studies that analyzed student interaction focused how much time individual students spent giving arguments and comments (Nielsen et al, 2014), but these coding categories did not capture whether arguments were co-constructed by multiple participants across multiple turns. Therefore, we drew upon the coding categories used in collaborative reasoning studies with children (Dong, Anderson, Lin, & Wu, 2009) and studies of collaborative critical reflection with university students (Higgins, Flower, & Petraglia, 1992;Neumann & McDonough, 2015). Reasoning was operationalized as talk to advance, support, or challenge a position.…”