Flutterby™! : Risks of Harm from Spanking

University of Texas at Austin: Risks of Harm from Spanking Confirmed by Analysis of Five Decades of Research

AUSTIN, Texas ­ — The more children are spanked, the more likely they are to defy their parents and to experience increased anti-social behavior, aggression, mental health problems and cognitive difficulties, according to a new meta-analysis of 50 years of research on spanking by experts at The University of Texas at Austin and the University of Michigan.

Probably some things we can take for public policy from this, too.

http://dx.doi.org/10.1037/fam0000191 (which isn't currently resolving...)