2013. “Average County-Level IQ Predicts County-Level Disadvantage and Several County-Level Mortality Rates” Intelligence.
2013. “What is the Effect of IQ on Offending?” Criminal Justice and Behavior.
2013. “Intelligence and Selective Attrition in a Nationally Representative and Longitudinal Sample of Americans” Personality and Individual Differences.
2013. “No Evidence of Racial Discrimination in Criminal Justice Processing: Results from a Nationally Representative and Longitudinal Sample” Personality and Individual Differences.
2013. “The Genetic and Environmental Architecture to the Stability of IQ: Results from two Independent Samples of Kinship Pairs” Intelligence.
2013. “Intelligence is Associated with Criminal Justice Processing: Arrest Through Incarceration” Intelligence.
2013. “County-Level IQ and Fertility Rates: A Partial Test of Differential-K Theory” Personality and Individual Differences.
2013. “Examining the Effects of Dopamine Genes on Verbal IQ Within and Between Families” Journal of Neural Transmission.
2013. “Serious Injuries from Fighting Produce Significant Reductions in Intelligence: Results from a Nationally Representative Sample of American Youth” Journal of Adolescent Health.
2012. “Exploring the Association Between IQ and Differential Life Outcomes: Results from a Longitudinal Sample of Monozygotic Twins” Sociedade Brasileira de Psicologia.
2011. “School-Level Genetic Variation Predicts School-Level Verbal IQ Scores: Results from a Sample of American Middle and High Schools” Intelligence.
2011. “The Association Between County-Level IQ and County-Level Crime Rates” Intelligence.