Marie Ratchford, Kevin M. Beaver Criminal Justice and Behavior http://cjb.sagepub.com/content/36/2/147.short 2008 Date Thu, 06/19/2014 - 10:24 AM Research Types Biological Factors Birth Complications Delinquency Family Rules Kevin M. Beaver Low Birth Weight Neighborhood Disadvantage Neuropsychological Deficits Punishment Self-Control Social Factors Socialization