Klein, DeRouin and Salas (2006) define interpersonal communication skills as “targeted behavior, including communication and relationship building skills, the use of complex emotional and cognitive processes in interpersonal communication, dynamic verbal and nonverbal communication, various roles, motives and expectations. “An internal researcher, Chen Huichang (2006), defines interpersonal communication as the ability to correctly deal with interpersonal relationships within and outside a group society. That is, communication skills that people use to build interpersonal relationships and the ability to coordinate their actions.