A deep dive into the "methodology war" of same-sex parenting research—contrasting the old "no difference" consensus with big-data findings that reveal a shocking paradox: why sons of gay dads might outperform everyone, while daughters struggle, and what it means for the nature vs. nurture debate.

psychology, same-sex parenting, LGBTQ families, research methodology, Douglas Allen study, 2006 Canadian Census, sociology, family structure, gender roles, nature vs nurture, evolutionary psychology, child development, graduation rates, quantitative vs qualitative research.