In this article we evaluate the manner in which we at the Faculty of Architecture and the Built Environment at the Delft University of Technology encourage the development of the capacity of reflection among our undergraduate students. First we explore the concept of reflection in relation to respectively experiential/reflective learning, reflection in/on action, reflection in higher education and reflection in design education. Next we describe our research object, our Bachelor course in Academic Design Reflection. Two research questions are at hand: (1) does the level of reflection increase during our course and (2) Can the operationalisation in our questionnaire of the definitions of reflection derived from theory statistically be confirmed? We measured and processed statistically the level of reflection of 100 students in 3 of their papers on their design. Results show there is a significant slight increase of this level among the three papers. Results also show that our model of classification is not statistically confirmed in the data. We conclude with a discussion on the implications for further research and for design education.