FIGURE 1.
Screenshot of the MicroDYN item PlantingPumpkins in the knowledge acquisition phase. Students are asked to manipulate the input variables Florabor, Natromic, and Solurax (see left upper side) to find out how they are related to the two output variables Taste and Size (see right upper side). Simultaneously to the exploration, students are asked to draw relations between variables in the mental model as they suppose.