Wer rasted, der rostet? Wie die altersbedingten Unterschiede in den Mathematikkompetenzen erklärt werden können

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@article{2faeae50a72a47c984d24c1a1f1ad76e,

title = "Wer rasted, der rostet? Wie die altersbedingten Unterschiede in den Mathematikkompetenzen erkl{\"a}rt werden k{\"o}nnen",

author = "M. Levels and {van der Velden}, R.K.W.",

year = "2013",

month = jan,

day = "1",

language = "German",

volume = "22",

journal = "IFO Schnelldienst",

issn = "0018-974X",

publisher = "IFO Institute for Economic Research e.V.",

number = "2013",

}