From Mary Baine Campbell:

Re: “Mr. Mom” is not so much Mr. Bedroom, study suggests (Jan. 30, 2013): “The im­por­tance of gen­der has de­clined over time, but it con­tin­ues to ex­ert a strong in­flu­ence over in­di­vid­ual be­hav­iors, in­clud­ing sex­u­al fre­quen­cy with­in mar­riage,” Ko­rn­rich said.” This is a lunatic statement from a scientist. If you want to know whether gender exerts a strong influence over sexual frequency in marriage you obviously have to include same-sex marriages in the study! Yet the article clearly states that only heterosexual test subjects were used. I can’t imagine why or, consequently, what the PIs understood “gender” to mean. Was this experiment designed by fundamentalists or creationists out to prove an ideological point? Please post a follow-up.

Mary Baine Campbell
Professor of English
Affiliate Faculty: Comparative Literature and
   Women's and Gender Studies
Brandeis University
P. O. Box 549110
Waltham, MA 02454-9110