Yawning is incredibly contagious. I made some of you reading this yawn simply by writing the word “yawn.”
Note: I am highlight susceptible to even thinking about yawning. I just yawned.
They might even have yawned if they only heard you yawn, because yawning is also aurally contagious: if you play an audiotape of a yawn to blind people, they’ll yawn too. And finally, if you yawned as you read this, did the thought cross your mind—however unconsciously and fleetingly—that you might be tired? I suspect that for some of you it did, which means that yawns can also be emotionally contagious.
These three agents of change I call the Law of the Few, the Stickiness Factor, and the Power of Context.
He would flag down the super exchangers and interview them. His conclusion is that they represent a very distinct and special group. “They are all very well connected people,” Junge says. “They know Baltimore inside and out. They know where to go to get any kind of drug and any kind of needle. They have street savvy. I would say that they are unusually socially connected. They have a lot of contacts.... I would have to say the underlying motive is financial or economic. But there is definitely an interest in helping people out.”
Note: bubs