Scientist dating service
Then comes the choice to send a person a message, or to reply to one.
And of course, the final, crucial decision, which isn't captured by these data: whether to meet the person in the real world.
A team led by Elizabeth Bruch, a sociologist at the University of Michigan, Ann Arbor, tapped into this torrent of dating data.
Because of a nondisclosure agreement, the researchers can't reveal the exact source of their subjects, describing it only as an "established, marriage-oriented, subscription-based dating site" from which they randomly selected 1855 people, all based in New York City.
Are you carefully weighing every factor that makes someone a good romantic match?
When it comes to the early stage of dating, it seems to be all about the deal breakers.
For one, prospective daters were wary of proceeding sight unseen.
Besides photographs, each user's profile could include any number of personal details including age, height, weight, education, marital status, number of children, and smoking and drinking habits.
The data set includes some 1.1 million interactions between users.