Ключевые слова: 1316, 1417, 3035, 3540, adolescent, american, attention, audience, boy, caucasian, cautiously, concentrated, european, examination, female, focused, french, gadget, german, girl, grade, hearing, inside, learner, learning, listener, male, man, nurture, phone, pupils, russian, scholar, scholarship, schoolchild, schooling, schoolroom, smartphone, stripling, teacher, teenagers, teens, testing, viewing, young, young person, youngsters,