Answer:
American females make direct eye contact while on the other hand, males don't.
Step-by-step explanation:
Deborah Tannen is a University professor of Linguistics in Georgetown University. In her book "You Don't Understand: Women and Men in Conversation," Tannen writes about how men and women engage in a conversation. According to her research, men engages in "report-talk" whereas women in "rapport-talk."
Men while talking to each other do not make eye-contacts and would sit side by side while in conversation, whereas, women talk with making eye-contacts.