Everyone had to sit alone in a room and talk about themselves for five minutes, speaking into a microphone. At the end of each minute they saw a number flash on a screen in front of them. That number indicated how much another person listening in from another room wanted to interact with them in the next part of the study. With ratings from 1 to 7 (where 7 is best), you can imagine how it would feel to see the numbers drop while you’re talking:

