Language studies traditionally emphasized verbal and written communication.

(26) _________ about the 1960's, however, researchers have seriously begun to consider what takes (27) _______ without words in conversations. In some cases, nonverbal communication occurs more often than verbal one. For (28) ___________

if you ask an obviously depressed person, "What's wrong?" and he answers "Nothing, I'm fine." you probably will not believe him. Or when an angry person says "Let's forget this subject. I don't want to talk about. it anymore!" she has not stopped communicating. Her silence and withdrawal continue to (29) _________ emotional meaning.

One study done in the United States showed that 93 percent of a message was transmitted by the speaker’s tone of voice and facial expressions. Only 7 percent of the person's attitude was conveyed by words. (30) _________ , we ex- press our emotions and attitudes more nonverbally than verbally.

Doctors ______an answer to AIDS yet.