The Centre for International Student Assessment (ZIB) is an affiliated institute of the Technical University of Munich (TUM) and is funded by the German federal and Länder governments. It is a scientific research body for international comparative educational monitoring. Its main remits include the planning, execution and evaluation of PISA studies in Germany. Another emphasis is research projects based on or connected to PISA studies. In relation to this, it conducts research into the methods applied in other international comparative educational studies. In its research, the ZIB also attaches major importance to practical application. Based on meta-analyses performed at the ZIB, an exchange of ideas is ensured in the field with schools in particular.