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PISA 2012: Children subject to an intensive parenting style perform substantially better ...

PISA 2012: „Children subject to an intensive parenting style perform substantially better than those subject to nonintensive parenting within the same country. The difference is between 14 and 17 points across the three test scores.“
Univ.-Prof. Dr. Matthias Doepke u. a., „Love, Money and Parenting“ (2019), S. 75