A new study out of Columbia University finds that (in contrast to earlier research that showed that kids whose mothers worked outside the home during their child's first year of life were cognitively disadvantaged in comparison to children whose mothers stayed home)
...working mothers displayed greater “maternal sensitivity,” or responsiveness, toward their youngsters, had a higher income and were more likely to find higher quality child care. In the end, the effect on a child’s intellectual, physical and emotional development was a wash.
In other news, mothers everywhere get whiplash from reacting to rapidly changing parenting advice.