are participating with one, first grade class each. The initial data collection in grade 1 takes place in individual sessions with tablets, the following ones will be done in group sessions.

For additional information, please visit the .

 
 
Our Partners

Responsibility for the scientific management lies with the Hector Institute for Empirical Educational Research at the University of Tübingen and the German Institute for International Educational Research in Frankfurt/Main.

 
 
IEA's Contribution

www.hg0188.comIEA’s contribution consists of field operations, data collection and processing, and the transmission of the data records to the study management.