1. Teacher behavior, teacher expectations, and gains in pupils’ rated creativity;Rosenthal;J Gen Psychol,1974
2. Nonverbal behavior, dominance, and the basis of status in task groups;Ridgeway;Am Sociol Rev,1987
3. Nonverbal communication in human interaction.;Knapp,2002
4. Interaction process analysis: a method for the study of small groups;Bales,1950
5. Describing talk: a taxonomy of verbal response modes;Stiles,1992