Developmental Psychology (2014) - Comment
pubmed: 24219314  doi: 10.1037/a0034913  issn: 1939-0599  issn: 0012-1649 

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Hana Stepankova, Jiri Lukavsky, Martin Buschkuehl, Miloslav Kopecek, Daniela Ripova, Susanne M. Jaeggi