To Nod or Not to Nod: An Observational Study of Nonverbal Communication and Status in Female and Male College Students
Psychology of Women Quarterly (2004) - Comment
doi: 10.1111/j.1471-6402.2004.00152.x  issn: 0361-6843  issn: 1471-6402 

Marie Helweg-Larsen, Stephanie J. Cunningham, Amanda Carrico, Alison M. Pergram