Research suggests that women are more likely than men to use self-references, such as "me" and "I."

What is a primary source?

What will be an ideal response?

Lydia and her boyfriend have a long-distance relationship. Even though they talk every night, Lydia doesn't feel as close to her boyfriend. She tells him, "I wish you were here with me." Which theory illustrates Lydia's feelings?

a. media lag theory b. media richness theory c. social presence theory d. social network theory