PROBLEM: Psychologists already know that humans need to relate with others to be happy and that being left out can be stressful. But just how small a cue is necessary to help someone feel connected?
METHODOLOGY: Researchers led by Purdue University’s Eric D. Wesselmann carried out a field experiment on campus with 282 randomly selected participants. A research assistant walked along a well-populated path, picked a subject, and either met that person’s eyes, met their eyes and smiled, or looked in the direction of the person’s eyes but past them, as if looking through air.
Read the whole story: The Atlantic
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