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Humbold-Universität zu Berlin
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IQB-Bildungstrend 2024
IQB Trends in Student Achievement 2021
IQB Trends in Student Achievement 2020
IQB Trends in Student Achievement 2018
IQB Trends in Student Achievement 2016
IQB Trends in Student Achievement 2015
National Assessment Study 2012
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National Assessment Study 2011
National Assessment Study 2008/2009
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Online-Befragung zum Fernunterricht 2020
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