Kevin M. Beaver, Matt DeLisi, Michael G. Vaughn, and John Paul Wright Developmental Psychology http://psycnet.apa.org/journals/dev/48/4/932/ 2012 Date Sat, 06/14/2014 - 05:19 PM Research Types ADD Health Dopamine Dopaminergic Genes Educational Attainment Genetic Influence Genetic Polymorphisms Kevin M. Beaver