2013. “Young Adults in the Parental Home and the Great Recession” National Center for Family and Marriage Research.
2013. “County-Level IQ and Fertility Rates: A Partial Test of Differential-K Theory” Personality and Individual Differences.
2011. “Does Biology Underlie the Oldest Profession? Prostitution and Sex Disparities in John Behavior” Biodemography and Social Biology.
2005. “Evaluating the Effects of Birth Complications on Low Self-Control in a Sample of Twins” Internal Journal of Offender Therapy and Comparative Criminology.
2003. “Interpreting Community Effects on Youth Educational Attainment” Youth and Society.
1995. “Hispanic Perceptions of Youth Gangs: A Descriptive Exploration” Journal of Gang Research.