Developmental Psychology (2014) - Comment
pubmed: 24364832  doi: 10.1037/a0035327  issn: 1939-0599  issn: 0012-1649 

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Matthew M. Stevenson, William V. Fabricius, Jeffrey T. Cookston, Ross D. Parke, Scott Coltrane, Sanford L. Braver, Delia S. Saenz