Men in the "humor" condition received phone numbers from 42.9 percent of the female participants and were refused 57.1 percent of the time.
In comparison, men in the "no humor" condition were refused 84.6 percent of the time and were only accepted 15.4 percent of the time.
Louann Brizendine is a member of the American Board of Psychiatry and Neurology and the National Board of Medical Examiners, and a clinical professor of psychiatry at the University of California, San Francisco.
She is founder and director of the Women's Mood and Hormone Clinic.
So women can naturally get in sync with others' emotions by reading facial expressions, interpreting tone of voice and other nonverbal emotional cues.