How to hug, according to science | Science | AAAS
· A researcher then entered the room and hugged the participant for either 1, 5, or 10 seconds. Each hug was performed in one of two ways. In the first, "crisscross" style, each hugger puts one arm over their partner's shoulder and the other arm under their partner's arm. In the second, called "neckwaist" style, the researcher put both arms under the .