This involved a larger pool of participants, with 460 people from varied walks of life. This trend was less noticeable among participants who identified as politically conservative.įollowing their findings, the group of researchers conducted a second experiment. They also reported being less sure of their heterosexuality and more likely to engage in same-sex encounters in future. Evidence was included from multiple studies, including one which measured genital blood flow and pupil dilation among people watching erotic videos of men and women.Ī separate control group of participants was presented with a different article on climate change.Īmong the group presented with evidence that sexuality is a spectrum and can change over time, fewer participants reported themselves as entirely heterosexual. Researchers showed participants an article which found that most people experience attraction to both men and women at some level.

The study, published in Scientific Reports, was initially conducted on 180 university students, all of whom identified as straight. A study has found that straight people’s perceptions of their own sexualities can become more fluid when they are exposed to different theories of sexuality.