Aktuelle Studien
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TEDS 2002 - 2008
TIMSS 1995 - 2011
TIMSS Advanced 2008
Bildungsstandards
National Educational Panel 2009 - 2013
IGLU/TIMSS national 2011
Internationale Grundschul-Lese-Untersuchung/
Trends in International Mathematics and Science Study
PISA 2000 - 2009
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