... builds intrinsic motivation and commitment that drives 21 students to be involved in a self-learning process in ways that are not possible in traditional methods of teaching and learning (Katz, ... skills in analysing and interpreting data and other cognitive processes that lead to in- depth understanding (Curtis, 2002; McGrath, 2002-2003) To accomplish learning goals, students need to think, ... negotiation, organisation and interpersonal relations (Stanley, 2000, p.4) 4.4 Developing higher-order thinking skills Higher-order thinking skills are one of the main benefits of undertaking PBL;...