“…Models of argumentation, a discursive practice central to the construction of scientific knowledge, have provided useful methodological frameworks for investigating student reasoning (Cole et al, ; Bricker & Bell, ; Cole et al, ; Erduran, ; Erduran, Simon, & Osborne, ; Kulatunga & Lewis, ; Kulatunga, Moog, & Lewis, , ; McNeill & Krajcik, ; Sampson & Clark, ). Among the multiple models of argumentation, Toulmin's model consisting of claim, data, and warrant is perhaps the most widely used (Erduran, ).…”