Some people can walk into a room and instantly put everyone at ease. Others seem to make teeth clench and eyes roll no matter what they do. A small body of psychology research supports the idea that the way a person tends to make others feel is a consistent and measurable part of his personality. Researchers call it “affective presence.”

This concept was first described nearly 10 years ago in a study by Noah Eisenkraft and Hillary Anger Elfenbein. They put business-school students into groups, had them enroll in all the same classes for a semester, and do every group project together. Then the members of each group rated how much every other member made them feel eight different emotions: stressed, bored, angry, sad, calm, relaxed, happy, and enthusiastic. The researchers found that a significant portion of group members’ emotions could be accounted for by the affective presence of their peers... [ read more ]