Introduction This research examined the general attitudes toward lesbian women and gay
men (LG people), same-sex marriage (SSM), and LG parenting (LGP) in a large sample of
young heterosexual European adults. We expected that one's country of origin, gender role
traditionalism, contact, and religiosity would predict their responses. Methods We conducted
a large-scale study from April 2012 to November 2014. The sample consisted of 13,403 self-
identified heterosexual students from Belgium, Italy, France, Portugal, Poland, Spain, and …

Methods We conducted a large-scale study from April 2012 to November 2014. The sample
consisted of 13,403 self-identified heterosexual students from Belgium, Italy, France,
Portugal, Poland, Spain, and Greece (38.7% men and 61.2% women). The main research
variables were general attitudes toward LG people, support for same-sex coupling and
parenting, gender role traditionalism beliefs, frequency and quality of the contact with LG
people, and religiosity. Results We found that the attitudes toward these issues were …