Sex ID

The results

The BBC's web survey Sex ID, with over 450,000 participants in under three months, was one of the largest psychology experiments ever conducted. Scientists involved in the project have been busy analysing the data to learn more about sexuality and mental processes.

In the articles below, they discuss their published findings.

For a more general introduction to the study results, click here.

• The link between sex drive and sexuality by Richard A Lippa
• What traits do men and women seek in a mate? by Richard A Lippa
• Sexual orientation predicts mental rotation ability by Stian Reimers
• Finger length ratios predict sex and sexual orientation by Stian Reimers
• How do men and women differ in the way their brains age? by Stian Reimers
• Handedness, birth order, and sexual orientation by Richard A Lippa
• Line angles, finger lengths, and sexual orientation by Stian Reimers

Take the Sex ID test

Read about the Sex ID experiment

Sex ID frequently asked questions