Objectives: Transactional sex (TS) is generally defined as the trading of sex for material goods. Cast within the broader context of prostitution laws, we examined variations in the sociodemographic profile of men who have sex with men engaging in TS by payment direction (buying/selling). Methods: The data were collected as part of the 38-country European Men who have sex with men Internet Surv...

A method for assessing the incidence of R factor transfer on solid media is described. The method gives values similar to those obtained with conventional techniques but allows the derepressed cells from a predominantly repressed population to be isolated.

Research which asserts that there is a difference in male and female intelligence causes as much of a stir as that which shows the differences in race IQs. However, it is the differences in intelligence of the sexes which is far more controversial among experts, with approximately half of the studies finding no difference, and half finding a small male advantage. A meta-study of 26 articles tha...

Using the 1970 Census data, this paper examines differences by sex in patterns of intragenerational occupational mobility over a five year period (1965-1970) for two cohorts of white, U.S. men and women. The observed mobility patterns are separated into that part due to structural factors (i.e., the different distributions over occupational origins and destinations by sex) and that due to sex-r...