Question 5 of 10

And what share said casual sex was a major reason — men, and women?

31% of men against 13% of women.

Pew. A real difference, 18 points wide. Also not 90% against 5%, which is roughly what most people carry.

Source: peer-reviewed or nationally representative survey

Nine more questions, every answer from published research. You are scored on how far off you were and in which direction — never on how many you got right.