Looking at the data, it is not that people are reacting in 7ms, but that people sometimes start talking before their partner has finished, and the mean ends up

Looking at the data, it is not that people are reacting in 7ms, but that people sometimes start talking before their partner has finished, and the mean ends up at 7ms. It seems that the Japanese are more prone to interrupting others: http://www.pnas.org/content/106/26/10587/F2.expansion.html http://www.pnas.org/content/106/26/10587/F2.expansion.html