Researchers from the US and Norway joined together to study the effects of day care and behavior issues.  Previous studies found that there was a link between the two, while this new study finds that it's the quality of daycare that makes the difference:     

In other words, when all the energy that goes into debating the merits of day care is put, instead, into ensuring that day care is of a high quality and available to everyone, then any association between time spent in that care and poor behavior essentially disappears. “Whereas child care in U.S. policy is generally treated as an unintended or unfortunate consequence of workforce participation among women,” the researchers wrote, “child care in the Norwegian corporatist economy is part of a broader family policy to promote maternal workforce participation and employment rights … as well as universal access to high-quality environments for learning and development beginning in the second year of life.”

Read more at: http://parenting.blogs.nytimes.com/2013/01/24/day-care-and-behavior-problems-unlinked/?smid=fb-share

Do you think it's an issue of the child being in daycare at all, or the quality of the daycare itself?  Do you think subsidized daycare such as they have in Norway is the way the US needs to be moving towards?