“…We wish to emphasize that our approach was a discontinuous one (Jung, 1986;Strike & Posner, 1982;Tippett, 2010). We ensured to use students' alternative conceptions as a starting point but instead of establishing a continuous form of learning on top of that, we intended to create a "cognitive conflict" (Franke & Bogner, 2011;Limon, 2001) by confronting them with their own alternative conceptions in a context that would assure the initial perception of said alternative conception to be neither plausible, therefore not useful to solve the current problem, nor fruitful as a solution for future problems (Tippett, 2010).…”