The new demands for a more sustainable built environment, as well as the need for a comfortable and healthier indoor environment, lead to a more complex design process. This has consequences for the role of the different designers involved in the building design process. Their different expertise must be used more effectively to reach together better solutions. In this research the effect of using morphological overviews was investigated, as well as the relation of morphological overview as a kind of mental mdel of the design team. The effect of application of morphological overviews was positive on the overall team performance. However the results were different for architects, they evaluated the appropriateness positive but still it was f...