%0 Journal Article %T Examining the Relative Contribution of Memory Updating, Attention Focus Switching, and Sustained Attention to ChildrenĄ¯s Verbal Working Memory Span %A Beula M. Magimairaj %A James W. Montgomery %J Child Development Research %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/763808 %U http://dx.doi.org/10.1155/2013/763808