Students need to use regulation of cognition to monitor the solution (Hong et al., 2001; Kluwe & Freidricksen, 1985) . Dewey was correct when he said that 'we learn by doing and by thinking about what we are doing' (Rowe, 1978: 216). The regula¬tion of cognition and not the knowledge of cognition is a predictor in open-ended problem-solving (Hong et al., 2001). The following section discusses how a support that targets the development of regulation of cognition (metalevel cognition) contributes to the inquiry learning process.