2013. “County-Level IQ and Fertility Rates: A Partial Test of Differential-K Theory” Personality and Individual Differences.
2001. “Community Effects on the Resolution of Adolescent Premarital Pregnancy” Journal of Family Issues.
2013. “County-Level IQ and Fertility Rates: A Partial Test of Differential-K Theory” Personality and Individual Differences.
2001. “Community Effects on the Resolution of Adolescent Premarital Pregnancy” Journal of Family Issues.