From the Wall Street Journal:

Mothers tended to return home first and were welcomed by the kids with positive behavior and information about the school day, says the study, led by Belinda Campos, an assistant professor at the University of California, Irvine.

For the full story, please visit http://blogs.wsj.com/juggle/2010/01/05/hi-kids-im-home-study-says-childr....