Relation of Nonverbal Behavior to Client Reactions.
Sixteen therapists each saw a volunteer client for a single counseling session. During a videotape review the clients recorded their reactions and the therapists recorded their perceptions of client reactions to each therapist intervention. Client nonverbal behaviors (speech hesitancies, vertical and horizontal head movements, arm movements, leg movements, postural shifts, adaptors, illustrators, and smiles) were examined to determine whether they were consistently associated with client reactions