“…More recently, it has been increasingly acknowledged that scientific expertise involves the coordination of abstract knowledge, formulated propositionally, and nonpropositional knowledge structures and processes (e.g. Amin, 2009;Amin, Smith, & Wiser, 2014;Cheng & Brown, 2010;Jeppsson, Haglund, Amin, & Strömdahl, 2013;Sherin, 2001Sherin, , 2006. The study reported in this paper contributes to this recent effort aimed at understanding the difference between novices and experts in terms of both propositionally represented knowledge and non-formal knowledge structures and processes.…”