Ключевые слова: activities, adult, attendance, attentive, attentively, auditorium, bolivian, brazilian, chilean, class, classmates, coaching, college, colombian, communicating, course, educating, educational, emotion, ethnic, explication, female, group, hall, indoors, interacting, latino, lecturing, lesson, listening, male, man, multinational, notes, person, portrait, process, science, seminar, session, speech, student, studying, team, togetherness, university, woman, writing,