childless women highly productive

Journal of Vocational Behavior reports that childless women are more productive than men or child-bearing women. This should come as no surprise to nurses, at least to the older ones. Maybe with the decrease/death of nurses as dorm-bound maidens, this is no longer so obvious. via BPS Research Digest

And in related postings, Frontier Psychologist tries to define nervous breakdown.

1. WALLACE, J., YOUNG, M. (2008). Parenthood and productivity: A study of demands, resources and family-friendly firms. Journal of Vocational Behavior, 72(1), 110-122. DOI: 10.1016/j.jvb.2007.11.002