What's the scientific term for bad social science research? 'BS!': Another sociology professor, Darren Sherkat at Southern Illinois University at Carbondale, has joined the steadily growing number of U.S. sociology experts who have questioned the research methodology of Mark Regnerus’s gay parenting study. According to Sherkat and others, the study should have been disqualified immediately because only two of the study participants were raised by a same-sex couple from birth.